草业学报 ›› 2023, Vol. 32 ›› Issue (6): 71-84.DOI: 10.11686/cyxb2022251
安晓霞1(), 张盈盈1, 马春晖1, 李曼2(), 张前兵1()
收稿日期:
2022-05-15
修回日期:
2022-07-28
出版日期:
2023-06-20
发布日期:
2023-04-21
通讯作者:
李曼,张前兵
作者简介:
liman570510@126.com基金资助:
Xiao-xia AN1(), Ying-ying ZHANG1, Chun-hui MA1, Man LI2(), Qian-bing ZHANG1()
Received:
2022-05-15
Revised:
2022-07-28
Online:
2023-06-20
Published:
2023-04-21
Contact:
Man LI,Qian-bing ZHANG
摘要:
为探讨施磷及接种丛枝菌根真菌对苜蓿干物质产量、磷含量以及土壤碱性磷酸酶(AKP)活性的影响,分析接菌及施磷条件下紫花苜蓿土壤速效磷、全磷与干物质产量之间的关系,进而阐明接菌及施磷对紫花苜蓿干物质产量及各指标之间关系的影响机制。本试验采用双因素完全随机设计,设置4个施菌水平:单接种摩西管柄囊霉(Fm,T1)、幼套球囊霉(Ge,T2)、双接菌(Fm×Ge,T3)及未接菌处理(CK,T0),在施菌条件下设置4个施磷水平,分别为:施P2O5 0(P0)、50(P1)、100(P2)、150(P3) mg·kg-1,菌磷互作共16个处理,每个处理10次重复。结果表明:1)相同接菌处理,苜蓿的干物质产量、植株叶片、茎及根部磷含量、土壤pH值及碱性磷酸酶活性均随施磷量的增加呈先增加后降低的趋势,均在P2处理达到最大值,且施磷处理显著大于未施磷处理(P<0.05)。根际和非根际土壤速效磷和全磷含量均随施磷量的增加而逐渐增加,苜蓿的磷肥农学效率随施磷量的增加呈逐渐降低的趋势。2)相同施磷处理,单接菌及双接菌处理苜蓿的干物质产量、植株叶片、茎及根部磷含量、根际和非根际土壤速效磷、全磷含量、磷素利用效率及土壤中碱性磷酸酶活性均显著大于未接菌处理(P<0.05),土壤全磷及速效磷含量均在T3处理达到最大值。双接菌处理下土壤的pH值显著小于未接菌处理(P<0.05),且在T3处理达到最小值。因此,当施磷(P2O5)量为100 mg·kg-1时,混合接种两种丛枝菌根真菌可以有效促进苜蓿植株根系对土壤中速效磷的吸收,提高磷素利用效率,进而促进苜蓿干物质产量的形成。
安晓霞, 张盈盈, 马春晖, 李曼, 张前兵. 施磷与接种丛枝菌根真菌对苜蓿产量和磷素利用效率的影响[J]. 草业学报, 2023, 32(6): 71-84.
Xiao-xia AN, Ying-ying ZHANG, Chun-hui MA, Man LI, Qian-bing ZHANG. Effects of phosphorus application and inoculation with arbuscular mycorrhizal fungi on alfalfa yield and phosphorus use efficiency[J]. Acta Prataculturae Sinica, 2023, 32(6): 71-84.
容重 Bulk density (g·cm-3) | 碱解氮 Alkaline-nitrogen (mg·kg-1) | 有机质 Organic matter (g·kg-1) | 速效磷 Available phosphorus (mg·kg-1) | 全磷 Total phosphorus (g·kg-1) | 速效钾 Available-potassium (mg·kg-1) |
---|---|---|---|---|---|
1.47 | 71.8 | 24.1 | 18.3 | 0.23 | 135.5 |
表1 试验地土壤基本理化性质
Table 1 Basic physical and chemical properties of test soil
容重 Bulk density (g·cm-3) | 碱解氮 Alkaline-nitrogen (mg·kg-1) | 有机质 Organic matter (g·kg-1) | 速效磷 Available phosphorus (mg·kg-1) | 全磷 Total phosphorus (g·kg-1) | 速效钾 Available-potassium (mg·kg-1) |
---|---|---|---|---|---|
1.47 | 71.8 | 24.1 | 18.3 | 0.23 | 135.5 |
编号 Number | 处理 Treatments | NH4H2PO4 (mg·pot-1) | CN2H4O (mg·pot-1) | 摩西球囊霉 F. mosseae (g·pot-1) | 幼套球囊酶 G. etunicatum (g·pot-1) |
---|---|---|---|---|---|
1 | T0P0 | 0.0 | 105.3 | 0 | 0 |
2 | T0P1 | 35.1 | 70.2 | 0 | 0 |
3 | T0P2 | 70.2 | 35.1 | 0 | 0 |
4 | T0P3 | 105.3 | 0.0 | 0 | 0 |
5 | T1P0 | 0.0 | 105.3 | 10 | 0 |
6 | T1P1 | 35.1 | 70.2 | 10 | 0 |
7 | T1P2 | 70.2 | 35.1 | 10 | 0 |
8 | T1P3 | 105.3 | 0.0 | 10 | 0 |
9 | T2P0 | 0.0 | 105.3 | 0 | 10 |
10 | T2P1 | 35.1 | 70.2 | 0 | 10 |
11 | T2P2 | 70.2 | 35.1 | 0 | 10 |
12 | T2P3 | 105.3 | 0.0 | 0 | 10 |
13 | T3P0 | 0.0 | 105.3 | 5 | 5 |
14 | T3P1 | 35.1 | 70.2 | 5 | 5 |
15 | T3P2 | 70.2 | 35.1 | 5 | 5 |
16 | T3P3 | 105.3 | 0.0 | 5 | 5 |
表2 试验设计
Table 2 Experimental design
编号 Number | 处理 Treatments | NH4H2PO4 (mg·pot-1) | CN2H4O (mg·pot-1) | 摩西球囊霉 F. mosseae (g·pot-1) | 幼套球囊酶 G. etunicatum (g·pot-1) |
---|---|---|---|---|---|
1 | T0P0 | 0.0 | 105.3 | 0 | 0 |
2 | T0P1 | 35.1 | 70.2 | 0 | 0 |
3 | T0P2 | 70.2 | 35.1 | 0 | 0 |
4 | T0P3 | 105.3 | 0.0 | 0 | 0 |
5 | T1P0 | 0.0 | 105.3 | 10 | 0 |
6 | T1P1 | 35.1 | 70.2 | 10 | 0 |
7 | T1P2 | 70.2 | 35.1 | 10 | 0 |
8 | T1P3 | 105.3 | 0.0 | 10 | 0 |
9 | T2P0 | 0.0 | 105.3 | 0 | 10 |
10 | T2P1 | 35.1 | 70.2 | 0 | 10 |
11 | T2P2 | 70.2 | 35.1 | 0 | 10 |
12 | T2P3 | 105.3 | 0.0 | 0 | 10 |
13 | T3P0 | 0.0 | 105.3 | 5 | 5 |
14 | T3P1 | 35.1 | 70.2 | 5 | 5 |
15 | T3P2 | 70.2 | 35.1 | 5 | 5 |
16 | T3P3 | 105.3 | 0.0 | 5 | 5 |
处理 Treatment | 第1茬 First cut | 第2茬 Second cut | 第3茬 Third cut |
---|---|---|---|
T0P0 | 14.03±0.95Cc | 16.22±0.70Bc | 11.63±0.92Db |
T0P1 | 21.73±0.60Ba | 16.50±1.22Cc | 14.57±0.51Ca |
T0P2 | 18.73±0.81Db | 21.67±0.51Ca | 14.47±0.55Ca |
T0P3 | 21.57±0.61Ba | 18.13±0.90Bb | 13.43±0.55Ca |
T1P0 | 17.73±0.85ABc | 17.05±0.78Bd | 15.23±0.40Bc |
T1P1 | 22.95±0.84Bb | 21.67±0.51ABb | 15.78±0.62Bc |
T1P2 | 25.90±0.80Ba | 23.85±0.65Ba | 18.65±0.56ABa |
T1P3 | 23.07±0.87Ab | 19.30±0.69ABc | 17.35±0.65ABb |
T2P0 | 16.63±0.61Bc | 16.89±0.64Bd | 13.93±0.85Cd |
T2P1 | 21.80±0.50Bb | 20.50±1.06Bb | 15.03±0.90BCc |
T2P2 | 23.43±0.61Ca | 21.90±0.72Ca | 18.10±0.80Ba |
T2P3 | 22.57±0.76ABab | 18.17±0.76Bc | 16.32±0.51Bb |
T3P0 | 19.03±0.70Ac | 19.00±0.66Ac | 16.77±0.58Ab |
T3P1 | 24.38±0.94Ab | 22.47±0.55Ab | 17.30±0.72Ab |
T3P2 | 27.23±0.83Aa | 25.87±0.68Aa | 19.45±0.56Aa |
T3P3 | 23.70±0.79Ab | 20.13±0.75Ac | 17.58±0.45Ab |
Fungus treatment (T) | ** | ** | ** |
Phosphorus treatment (P) | ** | ** | ** |
Fungus phosphorus interaction (T×P) | ** | ** | ** |
表3 不同处理下紫花苜蓿的干物质产量
Table 3 Dry matter yield of alfalfa under different treatments (g·pot-1)
处理 Treatment | 第1茬 First cut | 第2茬 Second cut | 第3茬 Third cut |
---|---|---|---|
T0P0 | 14.03±0.95Cc | 16.22±0.70Bc | 11.63±0.92Db |
T0P1 | 21.73±0.60Ba | 16.50±1.22Cc | 14.57±0.51Ca |
T0P2 | 18.73±0.81Db | 21.67±0.51Ca | 14.47±0.55Ca |
T0P3 | 21.57±0.61Ba | 18.13±0.90Bb | 13.43±0.55Ca |
T1P0 | 17.73±0.85ABc | 17.05±0.78Bd | 15.23±0.40Bc |
T1P1 | 22.95±0.84Bb | 21.67±0.51ABb | 15.78±0.62Bc |
T1P2 | 25.90±0.80Ba | 23.85±0.65Ba | 18.65±0.56ABa |
T1P3 | 23.07±0.87Ab | 19.30±0.69ABc | 17.35±0.65ABb |
T2P0 | 16.63±0.61Bc | 16.89±0.64Bd | 13.93±0.85Cd |
T2P1 | 21.80±0.50Bb | 20.50±1.06Bb | 15.03±0.90BCc |
T2P2 | 23.43±0.61Ca | 21.90±0.72Ca | 18.10±0.80Ba |
T2P3 | 22.57±0.76ABab | 18.17±0.76Bc | 16.32±0.51Bb |
T3P0 | 19.03±0.70Ac | 19.00±0.66Ac | 16.77±0.58Ab |
T3P1 | 24.38±0.94Ab | 22.47±0.55Ab | 17.30±0.72Ab |
T3P2 | 27.23±0.83Aa | 25.87±0.68Aa | 19.45±0.56Aa |
T3P3 | 23.70±0.79Ab | 20.13±0.75Ac | 17.58±0.45Ab |
Fungus treatment (T) | ** | ** | ** |
Phosphorus treatment (P) | ** | ** | ** |
Fungus phosphorus interaction (T×P) | ** | ** | ** |
处理 Treatment | 苜蓿叶片磷含量 Phosphorus content in alfalfa leaves (mg·kg-1) | 苜蓿茎磷含量 Phosphorus content in alfalfa stem (mg·kg-1) | ||||
---|---|---|---|---|---|---|
第1茬First cut | 第2茬Second cut | 第3茬Third cut | 第1茬First cut | 第2茬Second cut | 第3茬Third cut | |
T0P0 | 0.203±0.008Ba | 0.252±0.007Cb | 0.219±0.006Bb | 0.155±0.003Abc | 0.146±0.009Bc | 0.111±0.003Bb |
T0P1 | 0.210±0.005Ba | 0.270±0.008Db | 0.284±0.014Ba | 0.175±0.002Ba | 0.182±0.003Cb | 0.141±0.013BCa |
T0P2 | 0.207±0.008Da | 0.388±0.007Ba | 0.277±0.002Ba | 0.167±0.008Cab | 0.216±0.010Ba | 0.151±0.003Ca |
T0P3 | 0.204±0.009Ca | 0.383±0.018Ba | 0.233±0.008Cb | 0.150±0.007Cc | 0.207±0.001Ba | 0.143±0.003Ca |
T1P0 | 0.216±0.002ABb | 0.297±0.001Bc | 0.233±0.006Bb | 0.161±0.008Ac | 0.184±0.003Ac | 0.119±0.005Bc |
T1P1 | 0.254±0.009Aa | 0.350±0.006Cb | 0.240±0.007Cb | 0.169±0.008Bbc | 0.216±0.004ABb | 0.149±0.005Bb |
T1P2 | 0.232±0.002Cb | 0.378±0.015Ba | 0.288±0.007Ba | 0.193±0.010ABa | 0.237±0.006Aa | 0.190±0.007Ba |
T1P3 | 0.226±0.011Bb | 0.377±0.011Ba | 0.281±0.006Ba | 0.179±0.005Bab | 0.219±0.006ABb | 0.186±0.005Aa |
T2P0 | 0.209±0.004ABb | 0.286±0.013Bc | 0.223±0.009Bc | 0.153±0.007Ab | 0.196±0.001Ac | 0.114±0.002Bc |
T2P1 | 0.245±0.010Aa | 0.374±0.019Bb | 0.249±0.004Cb | 0.176±0.009Ba | 0.208±0.008Bbc | 0.134±0.003Cb |
T2P2 | 0.255±0.002Ba | 0.389±0.001ABa | 0.271±0.011Ba | 0.191±0.004Ba | 0.232±0.009Aa | 0.156±0.004Ca |
T2P3 | 0.254±0.008Aa | 0.368±0.016Bb | 0.266±0.011Ba | 0.178±0.009Ba | 0.211±0.002Bb | 0.152±0.008Ca |
T3P0 | 0.225±0.009Ab | 0.328±0.003Ab | 0.277±0.007Ac | 0.164±0.005Ac | 0.199±0.004Ac | 0.146±0.003Ac |
T3P1 | 0.241±0.008Ab | 0.391±0.016Aa | 0.304±0.005Ab | 0.197±0.004Ab | 0.228±0.003Aab | 0.167±0.007Ab |
T3P2 | 0.292±0.006Aa | 0.399±0.001Aa | 0.333±0.008Aa | 0.220±0.010Aab | 0.216±0.007Bb | 0.207±0.001Aa |
T3P3 | 0.231±0.007Bb | 0.389±0.014Aa | 0.325±0.006Aa | 0.207±0.007Aa | 0.230±0.007Aa | 0.172±0.006Bb |
T | ** | ** | ** | ** | ** | ** |
P | ** | ** | ** | ** | ** | ** |
T×P | ** | ** | ** | ** | ** | ** |
处理 Treatment | 苜蓿根部磷含量 Phosphorus content in alfalfa roots (mg·kg-1) | 磷肥农学效率 Agronomic efficiency of phosphate fertilizer (%) | ||||
第1茬First cut | 第2茬Second cut | 第3茬Third cut | ||||
T0P0 | 0.173±0.006Bc | 0.182±0.003Cc | 0.144±0.003Cb | — | ||
T0P1 | 0.224±0.006Aa | 0.216±0.008Cb | 0.178±0.001Ba | 24.26±1.20Aa | ||
T0P2 | 0.198±0.006Cb | 0.245±0.006Ca | 0.170±0.004Da | 14.43±0.70Bb | ||
T0P3 | 0.190±0.002Db | 0.231±0.010Ca | 0.172±0.006Ca | 8.33±0.41Ac | ||
T1P0 | 0.201±0.008Ac | 0.217±0.006Bc | 0.151±0.003Cd | — | ||
T1P1 | 0.216±0.004Ab | 0.265±0.009ABa | 0.170±0.003Bc | 23.07±1.67Aa | ||
T1P2 | 0.240±0.009ABa | 0.271±0.001Ba | 0.181±0.004Cb | 20.43±1.08Aa | ||
T1P3 | 0.222±0.004Bb | 0.246±0.004Bb | 0.196±0.003Ba | 7.19±0.39Ab | ||
T2P0 | 0.204±0.004Ab | 0.212±0.005Bb | 0.162±0.004Bc | — | ||
T2P1 | 0.214±0.006Ab | 0.253±0.005Ba | 0.175±0.004Bb | 21.96±1.13Aa | ||
T2P2 | 0.234±0.006Ba | 0.267±0.010Ba | 0.199±0.007Ba | 17.76±0.85ABb | ||
T2P3 | 0.205±0.004Cb | 0.255±0.007Ba | 0.180±0.006Cb | 7.11±0.37Ac | ||
T3P0 | 0.212±0.007Ac | 0.243±0.004Ac | 0.188±0.003Ac | — | ||
T3P1 | 0.227±0.004Ab | 0.273±0.006Ab | 0.215±0.008Ab | 20.78±1.07Aa | ||
T3P2 | 0.253±0.006Aa | 0.304±0.004Aa | 0.233±0.003Aa | 19.72±0.77Aa | ||
T3P3 | 0.241±0.012Aa | 0.295±0.013Aa | 0.219±0.006Ab | 4.90±0.31Ab | ||
T | ** | ** | ** | NS | ||
P | ** | ** | ** | ** | ||
T×P | ** | NS | ** | * |
表4 不同处理下苜蓿不同部位磷含量及磷肥农学效率
Table 4 Phosphorus content in different parts of alfalfa and agronomic efficiency of phosphate fertilizer under different treatments
处理 Treatment | 苜蓿叶片磷含量 Phosphorus content in alfalfa leaves (mg·kg-1) | 苜蓿茎磷含量 Phosphorus content in alfalfa stem (mg·kg-1) | ||||
---|---|---|---|---|---|---|
第1茬First cut | 第2茬Second cut | 第3茬Third cut | 第1茬First cut | 第2茬Second cut | 第3茬Third cut | |
T0P0 | 0.203±0.008Ba | 0.252±0.007Cb | 0.219±0.006Bb | 0.155±0.003Abc | 0.146±0.009Bc | 0.111±0.003Bb |
T0P1 | 0.210±0.005Ba | 0.270±0.008Db | 0.284±0.014Ba | 0.175±0.002Ba | 0.182±0.003Cb | 0.141±0.013BCa |
T0P2 | 0.207±0.008Da | 0.388±0.007Ba | 0.277±0.002Ba | 0.167±0.008Cab | 0.216±0.010Ba | 0.151±0.003Ca |
T0P3 | 0.204±0.009Ca | 0.383±0.018Ba | 0.233±0.008Cb | 0.150±0.007Cc | 0.207±0.001Ba | 0.143±0.003Ca |
T1P0 | 0.216±0.002ABb | 0.297±0.001Bc | 0.233±0.006Bb | 0.161±0.008Ac | 0.184±0.003Ac | 0.119±0.005Bc |
T1P1 | 0.254±0.009Aa | 0.350±0.006Cb | 0.240±0.007Cb | 0.169±0.008Bbc | 0.216±0.004ABb | 0.149±0.005Bb |
T1P2 | 0.232±0.002Cb | 0.378±0.015Ba | 0.288±0.007Ba | 0.193±0.010ABa | 0.237±0.006Aa | 0.190±0.007Ba |
T1P3 | 0.226±0.011Bb | 0.377±0.011Ba | 0.281±0.006Ba | 0.179±0.005Bab | 0.219±0.006ABb | 0.186±0.005Aa |
T2P0 | 0.209±0.004ABb | 0.286±0.013Bc | 0.223±0.009Bc | 0.153±0.007Ab | 0.196±0.001Ac | 0.114±0.002Bc |
T2P1 | 0.245±0.010Aa | 0.374±0.019Bb | 0.249±0.004Cb | 0.176±0.009Ba | 0.208±0.008Bbc | 0.134±0.003Cb |
T2P2 | 0.255±0.002Ba | 0.389±0.001ABa | 0.271±0.011Ba | 0.191±0.004Ba | 0.232±0.009Aa | 0.156±0.004Ca |
T2P3 | 0.254±0.008Aa | 0.368±0.016Bb | 0.266±0.011Ba | 0.178±0.009Ba | 0.211±0.002Bb | 0.152±0.008Ca |
T3P0 | 0.225±0.009Ab | 0.328±0.003Ab | 0.277±0.007Ac | 0.164±0.005Ac | 0.199±0.004Ac | 0.146±0.003Ac |
T3P1 | 0.241±0.008Ab | 0.391±0.016Aa | 0.304±0.005Ab | 0.197±0.004Ab | 0.228±0.003Aab | 0.167±0.007Ab |
T3P2 | 0.292±0.006Aa | 0.399±0.001Aa | 0.333±0.008Aa | 0.220±0.010Aab | 0.216±0.007Bb | 0.207±0.001Aa |
T3P3 | 0.231±0.007Bb | 0.389±0.014Aa | 0.325±0.006Aa | 0.207±0.007Aa | 0.230±0.007Aa | 0.172±0.006Bb |
T | ** | ** | ** | ** | ** | ** |
P | ** | ** | ** | ** | ** | ** |
T×P | ** | ** | ** | ** | ** | ** |
处理 Treatment | 苜蓿根部磷含量 Phosphorus content in alfalfa roots (mg·kg-1) | 磷肥农学效率 Agronomic efficiency of phosphate fertilizer (%) | ||||
第1茬First cut | 第2茬Second cut | 第3茬Third cut | ||||
T0P0 | 0.173±0.006Bc | 0.182±0.003Cc | 0.144±0.003Cb | — | ||
T0P1 | 0.224±0.006Aa | 0.216±0.008Cb | 0.178±0.001Ba | 24.26±1.20Aa | ||
T0P2 | 0.198±0.006Cb | 0.245±0.006Ca | 0.170±0.004Da | 14.43±0.70Bb | ||
T0P3 | 0.190±0.002Db | 0.231±0.010Ca | 0.172±0.006Ca | 8.33±0.41Ac | ||
T1P0 | 0.201±0.008Ac | 0.217±0.006Bc | 0.151±0.003Cd | — | ||
T1P1 | 0.216±0.004Ab | 0.265±0.009ABa | 0.170±0.003Bc | 23.07±1.67Aa | ||
T1P2 | 0.240±0.009ABa | 0.271±0.001Ba | 0.181±0.004Cb | 20.43±1.08Aa | ||
T1P3 | 0.222±0.004Bb | 0.246±0.004Bb | 0.196±0.003Ba | 7.19±0.39Ab | ||
T2P0 | 0.204±0.004Ab | 0.212±0.005Bb | 0.162±0.004Bc | — | ||
T2P1 | 0.214±0.006Ab | 0.253±0.005Ba | 0.175±0.004Bb | 21.96±1.13Aa | ||
T2P2 | 0.234±0.006Ba | 0.267±0.010Ba | 0.199±0.007Ba | 17.76±0.85ABb | ||
T2P3 | 0.205±0.004Cb | 0.255±0.007Ba | 0.180±0.006Cb | 7.11±0.37Ac | ||
T3P0 | 0.212±0.007Ac | 0.243±0.004Ac | 0.188±0.003Ac | — | ||
T3P1 | 0.227±0.004Ab | 0.273±0.006Ab | 0.215±0.008Ab | 20.78±1.07Aa | ||
T3P2 | 0.253±0.006Aa | 0.304±0.004Aa | 0.233±0.003Aa | 19.72±0.77Aa | ||
T3P3 | 0.241±0.012Aa | 0.295±0.013Aa | 0.219±0.006Ab | 4.90±0.31Ab | ||
T | ** | ** | ** | NS | ||
P | ** | ** | ** | ** | ||
T×P | ** | NS | ** | * |
处理 Treatment | 根际土壤速效磷含量 Available phosphorus content in rhizosphere soil (mg·kg-1) | 非根际土壤速效磷含量 Available phosphorus content in non-rhizosphere soil (mg·kg-1) | ||||
---|---|---|---|---|---|---|
第1茬First cut | 第2茬Second cut | 第3茬Third cut | 第1茬First cut | 第2茬Second cut | 第3茬Third cut | |
T0P0 | 6.09±0.26Cc | 8.15±0.38Cd | 9.41±0.39Ac | 10.43±0.45Cc | 10.08±0.19Ac | 8.24±0.25Bc |
T0P1 | 13.54±0.27Bb | 11.38±0.37Bc | 10.17±0.44Cbc | 14.69±0.63Bb | 11.29±0.50Cbc | 10.08±0.45Cb |
T0P2 | 14.52±0.52Cb | 13.12±0.57Cb | 11.11±0.26Cab | 16.90±0.56Ba | 12.14±0.58Db | 11.29±0.51Ca |
T0P3 | 18.79±0.58Ca | 14.34±0.51Ca | 12.10±0.64Da | 17.93±0.64Ba | 14.29±0.44Da | 12.01±0.25Ca |
T1P0 | 9.14±0.26Bc | 9.41±0.26Bc | 9.90±0.32Ad | 12.90±0.51Bc | 11.02±0.26Ad | 9.81±0.45Ad |
T1P1 | 9.76±0.38Cc | 11.91±0.26Bb | 14.57±0.44Bc | 13.35±0.37Cbc | 16.55±0.70Bc | 14.75±0.58Bc |
T1P2 | 13.27±0.63Cb | 12.73±0.38Cb | 17.57±0.77Bb | 14.26±0.64Db | 18.65±0.53Bb | 17.75±0.77Bb |
T1P3 | 21.26±0.90Ba | 18.07±0.33Ba | 22.23±0.51Ba | 17.29±0.50Ba | 21.08±0.75Ba | 21.26±0.37Ba |
T2P0 | 6.94±0.32Cc | 9.18±0.32Bd | 9.72±0.45Ad | 12.14±0.32Bd | 10.48±0.38Ab | 9.40±0.39Ad |
T2P1 | 13.53±0.39Bb | 10.43±0.44Cc | 14.03±0.58Bc | 14.15±0.63BCc | 11.42±0.57Cb | 13.85±0.56Bc |
T2P2 | 19.18±0.64Ba | 16.17±0.33Bb | 17.48±0.76Bb | 15.32±0.64Cb | 16.63±0.82Ca | 16.94±0.64Bb |
T2P3 | 20.22±0.31Ba | 19.63±0.38Aa | 20.39±0.69Ca | 17.22±0.51Ba | 17.58±0.77Ca | 20.13±0.70Ba |
T3P0 | 13.13±0.45Ad | 11.46±0.13Ad | 10.21±0.25Ad | 15.47±0.69Ac | 11.29±0.38Ac | 10.43±0.44Ad |
T3P1 | 22.15±0.91Ac | 12.94±0.32Ac | 19.18±0.64Ac | 17.49±0.26Ab | 18.06±0.82Ab | 16.90±0.70Ac |
T3P2 | 23.82±0.82Ab | 17.48±0.50Ab | 22.87±0.75Ab | 19.92±0.88Aa | 27.35±0.49Aa | 24.80±0.69Ab |
T3P3 | 33.38±1.02Aa | 20.50±0.70Aa | 29.87±0.91Aa | 20.38±0.45Aa | 28.18±1.02Aa | 30.04±0.24Aa |
T | ** | ** | ** | ** | ** | ** |
P | ** | ** | ** | ** | ** | ** |
T×P | ** | ** | ** | ** | ** | ** |
处理 Treatment | 根际土壤全磷含量 Total phosphorus content in rhizosphere soil (g·kg-1) | 非根际土壤全磷含量 Total phosphorus content in non-rhizosphere soil (g·kg-1) | ||||
第1茬First cut | 第2茬Second cut | 第3茬Third cut | 第1茬First cut | 第2茬Second cut | 第3茬Third cut | |
T0P0 | 0.310±0.003Cb | 0.297±0.006Bc | 0.272±0.010Bc | 0.308±0.004Bc | 0.288±0.008Cc | 0.280±0.014Bc |
T0P1 | 0.322±0.014Dab | 0.345±0.010Bb | 0.309±0.014Bb | 0.323±0.015Bc | 0.309±0.005Cc | 0.322±0.008Cb |
T0P2 | 0.336±0.016Ba | 0.368±0.013Cab | 0.333±0.011Cab | 0.353±0.016Cb | 0.363±0.014Cb | 0.337±0.015Cb |
T0P3 | 0.345±0.011Ca | 0.388±0.013Ba | 0.356±0.016Ba | 0.387±0.011Ca | 0.388±0.013Ba | 0.365±0.009Ba |
T1P0 | 0.363±0.014Bc | 0.356±0.030Ab | 0.285±0.006Bc | 0.359±0.008Ac | 0.338±0.006Bc | 0.294±0.010Bd |
T1P1 | 0.389±0.011Bb | 0.388±0.013Aa | 0.378±0.006Ab | 0.390±0.014Ab | 0.381±0.010Bb | 0.331±0.008Cc |
T1P2 | 0.413±0.021Aa | 0.404±0.017ABa | 0.396±0.010Aab | 0.407±0.016Bb | 0.397±0.012Bab | 0.370±0.014Bb |
T1P3 | 0.430±0.008Ba | 0.420±0.008Ba | 0.404±0.011Aa | 0.436±0.011Ba | 0.411±0.006Ba | 0.400±0.016Aa |
T2P0 | 0.332±0.011Cc | 0.350±0.014Ab | 0.276±0.003Bd | 0.354±0.003Ac | 0.305±0.013Cc | 0.298±0.013Bc |
T2P1 | 0.365±0.012Cb | 0.376±0.017ABab | 0.303±0.009Bc | 0.391±0.004Ab | 0.362±0.012Bb | 0.365±0.012Bb |
T2P2 | 0.408±0.015Aa | 0.389±0.013BCa | 0.363±0.012Bb | 0.403±0.008Bb | 0.375±0.005Cb | 0.396±0.005Aa |
T2P3 | 0.421±0.006Ba | 0.401±0.012Ba | 0.402±0.018Aa | 0.431±0.010Ba | 0.402±0.004Ba | 0.407±0.014Aa |
T3P0 | 0.402±0.004Ac | 0.380±0.018Ac | 0.366±0.008Ab | 0.363±0.005Ac | 0.396±0.012Ac | 0.389±0.016Aa |
T3P1 | 0.413±0.018Abc | 0.404±0.017Abc | 0.380±0.012Ab | 0.414±0.007Ab | 0.408±0.007Ac | 0.395±0.009Aa |
T3P2 | 0.431±0.005Aab | 0.423±0.014Ab | 0.406±0.006Aa | 0.434±0.010Ab | 0.447±0.004Ab | 0.402±0.008Aa |
T3P3 | 0.454±0.011Aa | 0.461±0.011Aa | 0.410±0.019Aa | 0.468±0.014Aa | 0.470±0.011Aa | 0.411±0.006Aa |
T | ** | ** | ** | ** | ** | ** |
P | ** | ** | ** | ** | ** | ** |
T×P | NS | NS | ** | NS | * | ** |
表5 不同处理下根际土、非根际土速效磷及全磷含量
Table 5 Available phosphorus content and total phosphorus content of rhizosphere and non-rhizosphere soil under different treatments
处理 Treatment | 根际土壤速效磷含量 Available phosphorus content in rhizosphere soil (mg·kg-1) | 非根际土壤速效磷含量 Available phosphorus content in non-rhizosphere soil (mg·kg-1) | ||||
---|---|---|---|---|---|---|
第1茬First cut | 第2茬Second cut | 第3茬Third cut | 第1茬First cut | 第2茬Second cut | 第3茬Third cut | |
T0P0 | 6.09±0.26Cc | 8.15±0.38Cd | 9.41±0.39Ac | 10.43±0.45Cc | 10.08±0.19Ac | 8.24±0.25Bc |
T0P1 | 13.54±0.27Bb | 11.38±0.37Bc | 10.17±0.44Cbc | 14.69±0.63Bb | 11.29±0.50Cbc | 10.08±0.45Cb |
T0P2 | 14.52±0.52Cb | 13.12±0.57Cb | 11.11±0.26Cab | 16.90±0.56Ba | 12.14±0.58Db | 11.29±0.51Ca |
T0P3 | 18.79±0.58Ca | 14.34±0.51Ca | 12.10±0.64Da | 17.93±0.64Ba | 14.29±0.44Da | 12.01±0.25Ca |
T1P0 | 9.14±0.26Bc | 9.41±0.26Bc | 9.90±0.32Ad | 12.90±0.51Bc | 11.02±0.26Ad | 9.81±0.45Ad |
T1P1 | 9.76±0.38Cc | 11.91±0.26Bb | 14.57±0.44Bc | 13.35±0.37Cbc | 16.55±0.70Bc | 14.75±0.58Bc |
T1P2 | 13.27±0.63Cb | 12.73±0.38Cb | 17.57±0.77Bb | 14.26±0.64Db | 18.65±0.53Bb | 17.75±0.77Bb |
T1P3 | 21.26±0.90Ba | 18.07±0.33Ba | 22.23±0.51Ba | 17.29±0.50Ba | 21.08±0.75Ba | 21.26±0.37Ba |
T2P0 | 6.94±0.32Cc | 9.18±0.32Bd | 9.72±0.45Ad | 12.14±0.32Bd | 10.48±0.38Ab | 9.40±0.39Ad |
T2P1 | 13.53±0.39Bb | 10.43±0.44Cc | 14.03±0.58Bc | 14.15±0.63BCc | 11.42±0.57Cb | 13.85±0.56Bc |
T2P2 | 19.18±0.64Ba | 16.17±0.33Bb | 17.48±0.76Bb | 15.32±0.64Cb | 16.63±0.82Ca | 16.94±0.64Bb |
T2P3 | 20.22±0.31Ba | 19.63±0.38Aa | 20.39±0.69Ca | 17.22±0.51Ba | 17.58±0.77Ca | 20.13±0.70Ba |
T3P0 | 13.13±0.45Ad | 11.46±0.13Ad | 10.21±0.25Ad | 15.47±0.69Ac | 11.29±0.38Ac | 10.43±0.44Ad |
T3P1 | 22.15±0.91Ac | 12.94±0.32Ac | 19.18±0.64Ac | 17.49±0.26Ab | 18.06±0.82Ab | 16.90±0.70Ac |
T3P2 | 23.82±0.82Ab | 17.48±0.50Ab | 22.87±0.75Ab | 19.92±0.88Aa | 27.35±0.49Aa | 24.80±0.69Ab |
T3P3 | 33.38±1.02Aa | 20.50±0.70Aa | 29.87±0.91Aa | 20.38±0.45Aa | 28.18±1.02Aa | 30.04±0.24Aa |
T | ** | ** | ** | ** | ** | ** |
P | ** | ** | ** | ** | ** | ** |
T×P | ** | ** | ** | ** | ** | ** |
处理 Treatment | 根际土壤全磷含量 Total phosphorus content in rhizosphere soil (g·kg-1) | 非根际土壤全磷含量 Total phosphorus content in non-rhizosphere soil (g·kg-1) | ||||
第1茬First cut | 第2茬Second cut | 第3茬Third cut | 第1茬First cut | 第2茬Second cut | 第3茬Third cut | |
T0P0 | 0.310±0.003Cb | 0.297±0.006Bc | 0.272±0.010Bc | 0.308±0.004Bc | 0.288±0.008Cc | 0.280±0.014Bc |
T0P1 | 0.322±0.014Dab | 0.345±0.010Bb | 0.309±0.014Bb | 0.323±0.015Bc | 0.309±0.005Cc | 0.322±0.008Cb |
T0P2 | 0.336±0.016Ba | 0.368±0.013Cab | 0.333±0.011Cab | 0.353±0.016Cb | 0.363±0.014Cb | 0.337±0.015Cb |
T0P3 | 0.345±0.011Ca | 0.388±0.013Ba | 0.356±0.016Ba | 0.387±0.011Ca | 0.388±0.013Ba | 0.365±0.009Ba |
T1P0 | 0.363±0.014Bc | 0.356±0.030Ab | 0.285±0.006Bc | 0.359±0.008Ac | 0.338±0.006Bc | 0.294±0.010Bd |
T1P1 | 0.389±0.011Bb | 0.388±0.013Aa | 0.378±0.006Ab | 0.390±0.014Ab | 0.381±0.010Bb | 0.331±0.008Cc |
T1P2 | 0.413±0.021Aa | 0.404±0.017ABa | 0.396±0.010Aab | 0.407±0.016Bb | 0.397±0.012Bab | 0.370±0.014Bb |
T1P3 | 0.430±0.008Ba | 0.420±0.008Ba | 0.404±0.011Aa | 0.436±0.011Ba | 0.411±0.006Ba | 0.400±0.016Aa |
T2P0 | 0.332±0.011Cc | 0.350±0.014Ab | 0.276±0.003Bd | 0.354±0.003Ac | 0.305±0.013Cc | 0.298±0.013Bc |
T2P1 | 0.365±0.012Cb | 0.376±0.017ABab | 0.303±0.009Bc | 0.391±0.004Ab | 0.362±0.012Bb | 0.365±0.012Bb |
T2P2 | 0.408±0.015Aa | 0.389±0.013BCa | 0.363±0.012Bb | 0.403±0.008Bb | 0.375±0.005Cb | 0.396±0.005Aa |
T2P3 | 0.421±0.006Ba | 0.401±0.012Ba | 0.402±0.018Aa | 0.431±0.010Ba | 0.402±0.004Ba | 0.407±0.014Aa |
T3P0 | 0.402±0.004Ac | 0.380±0.018Ac | 0.366±0.008Ab | 0.363±0.005Ac | 0.396±0.012Ac | 0.389±0.016Aa |
T3P1 | 0.413±0.018Abc | 0.404±0.017Abc | 0.380±0.012Ab | 0.414±0.007Ab | 0.408±0.007Ac | 0.395±0.009Aa |
T3P2 | 0.431±0.005Aab | 0.423±0.014Ab | 0.406±0.006Aa | 0.434±0.010Ab | 0.447±0.004Ab | 0.402±0.008Aa |
T3P3 | 0.454±0.011Aa | 0.461±0.011Aa | 0.410±0.019Aa | 0.468±0.014Aa | 0.470±0.011Aa | 0.411±0.006Aa |
T | ** | ** | ** | ** | ** | ** |
P | ** | ** | ** | ** | ** | ** |
T×P | NS | NS | ** | NS | * | ** |
处理 Treatment | 根际土壤 pH pH of rhizosphere soil | 非根际土壤 pH pH of non-rhizosphere soil | ||||
---|---|---|---|---|---|---|
第1茬First cut | 第2茬Second cut | 第3茬Third cut | 第1茬First cut | 第2茬Second cut | 第3茬Third cut | |
T0P0 | 8.56±0.03Aa | 8.27±0.12Ac | 8.19±0.01Ad | 8.13±0.02Ac | 8.15±0.02Ac | 8.17±0.04Ad |
T0P1 | 8.59±0.04Aa | 8.41±0.01Ab | 8.31±0.02Ac | 8.23±0.05Ab | 8.23±0.02Ab | 8.28±0.03Ac |
T0P2 | 8.62±0.04Aa | 8.57±0.05Aa | 8.48±0.02Aa | 8.36±0.03Aa | 8.32±0.01Aa | 8.52±0.01Aa |
T0P3 | 8.56±0.03Aa | 8.36±0.02Ab | 8.40±0.02Ab | 8.16±0.02Ac | 8.17±0.06Abc | 8.38±0.01Ab |
T1P0 | 8.23±0.07Bb | 8.15±0.02Bb | 8.13±0.03Bc | 8.03±0.05Bc | 8.03±0.01Bb | 8.11±0.02Bc |
T1P1 | 8.31±0.03Cab | 8.20±0.02Bab | 8.23±0.04Bb | 8.14±0.01Bb | 8.13±0.07Ba | 8.20±0.03BCb |
T1P2 | 8.38±0.02Ca | 8.24±0.03Ca | 8.41±0.03Ba | 8.22±0.03Ca | 8.16±0.05Ba | 8.35±0.03Ca |
T1P3 | 8.27±0.10Bb | 8.17±0.03Bb | 8.26±0.03Bb | 8.08±0.03Bc | 8.08±0.09Bab | 8.24±0.04Bb |
T2P0 | 8.48±0.01Aa | 8.26±0.02Ac | 8.14±0.01Bd | 8.13±0.04Ac | 8.11±0.02Abc | 8.16±0.01ABd |
T2P1 | 8.49±0.04Ba | 8.38±0.03Ab | 8.28±0.01Ac | 8.21±0.01Ab | 8.21±0.06Aab | 8.24±0.05ABc |
T2P2 | 8.50±0.10Ba | 8.48±0.03Ba | 8.45±0.02Aa | 8.28±0.03Ba | 8.28±0.02Aa | 8.43±0.01Ba |
T2P3 | 8.48±0.10Aa | 8.33±0.04Abc | 8.37±0.02Ab | 8.17±0.02Abc | 8.17±0.03Abc | 8.35±0.03Ab |
T3P0 | 8.15±0.02Bb | 8.02±0.01Cc | 8.06±0.01Cb | 7.88±0.01Cc | 7.88±0.01Cc | 8.05±0.02Cc |
T3P1 | 8.23±0.05Cab | 8.11±0.02Cb | 8.21±0.03Ba | 8.00±0.02Cb | 7.96±0.06Cb | 8.18±0.06Cb |
T3P2 | 8.26±0.04Da | 8.19±0.01Ca | 8.25±0.04Ca | 8.08±0.02Da | 8.11±0.05Ca | 8.28±0.01Da |
T3P3 | 8.21±0.04Bab | 8.11±0.02Bb | 8.22±0.04Ca | 7.93±0.07Cc | 7.96±0.07Bb | 8.22±0.02Bb |
T | ** | ** | ** | ** | ** | ** |
P | ** | ** | ** | ** | ** | ** |
T×P | NS | ** | ** | NS | NS | * |
表6 不同处理下根际及非根际土壤pH
Table 6 The pH value of rhizosphere and non-rhizosphere soil under different treatments
处理 Treatment | 根际土壤 pH pH of rhizosphere soil | 非根际土壤 pH pH of non-rhizosphere soil | ||||
---|---|---|---|---|---|---|
第1茬First cut | 第2茬Second cut | 第3茬Third cut | 第1茬First cut | 第2茬Second cut | 第3茬Third cut | |
T0P0 | 8.56±0.03Aa | 8.27±0.12Ac | 8.19±0.01Ad | 8.13±0.02Ac | 8.15±0.02Ac | 8.17±0.04Ad |
T0P1 | 8.59±0.04Aa | 8.41±0.01Ab | 8.31±0.02Ac | 8.23±0.05Ab | 8.23±0.02Ab | 8.28±0.03Ac |
T0P2 | 8.62±0.04Aa | 8.57±0.05Aa | 8.48±0.02Aa | 8.36±0.03Aa | 8.32±0.01Aa | 8.52±0.01Aa |
T0P3 | 8.56±0.03Aa | 8.36±0.02Ab | 8.40±0.02Ab | 8.16±0.02Ac | 8.17±0.06Abc | 8.38±0.01Ab |
T1P0 | 8.23±0.07Bb | 8.15±0.02Bb | 8.13±0.03Bc | 8.03±0.05Bc | 8.03±0.01Bb | 8.11±0.02Bc |
T1P1 | 8.31±0.03Cab | 8.20±0.02Bab | 8.23±0.04Bb | 8.14±0.01Bb | 8.13±0.07Ba | 8.20±0.03BCb |
T1P2 | 8.38±0.02Ca | 8.24±0.03Ca | 8.41±0.03Ba | 8.22±0.03Ca | 8.16±0.05Ba | 8.35±0.03Ca |
T1P3 | 8.27±0.10Bb | 8.17±0.03Bb | 8.26±0.03Bb | 8.08±0.03Bc | 8.08±0.09Bab | 8.24±0.04Bb |
T2P0 | 8.48±0.01Aa | 8.26±0.02Ac | 8.14±0.01Bd | 8.13±0.04Ac | 8.11±0.02Abc | 8.16±0.01ABd |
T2P1 | 8.49±0.04Ba | 8.38±0.03Ab | 8.28±0.01Ac | 8.21±0.01Ab | 8.21±0.06Aab | 8.24±0.05ABc |
T2P2 | 8.50±0.10Ba | 8.48±0.03Ba | 8.45±0.02Aa | 8.28±0.03Ba | 8.28±0.02Aa | 8.43±0.01Ba |
T2P3 | 8.48±0.10Aa | 8.33±0.04Abc | 8.37±0.02Ab | 8.17±0.02Abc | 8.17±0.03Abc | 8.35±0.03Ab |
T3P0 | 8.15±0.02Bb | 8.02±0.01Cc | 8.06±0.01Cb | 7.88±0.01Cc | 7.88±0.01Cc | 8.05±0.02Cc |
T3P1 | 8.23±0.05Cab | 8.11±0.02Cb | 8.21±0.03Ba | 8.00±0.02Cb | 7.96±0.06Cb | 8.18±0.06Cb |
T3P2 | 8.26±0.04Da | 8.19±0.01Ca | 8.25±0.04Ca | 8.08±0.02Da | 8.11±0.05Ca | 8.28±0.01Da |
T3P3 | 8.21±0.04Bab | 8.11±0.02Bb | 8.22±0.04Ca | 7.93±0.07Cc | 7.96±0.07Bb | 8.22±0.02Bb |
T | ** | ** | ** | ** | ** | ** |
P | ** | ** | ** | ** | ** | ** |
T×P | NS | ** | ** | NS | NS | * |
处理 Treatment | 根际土壤碱性磷酸酶AKP of rhizosphere soil | 非根际土壤碱性磷酸酶AKP of non-rhizosphere soil | ||||
---|---|---|---|---|---|---|
第1茬First cut | 第2茬Second cut | 第3茬Third cut | 第1茬First cut | 第2茬Second cut | 第3茬Third cut | |
T0P0 | 7149±158Bb | 7672±328Cb | 7963±334Cb | 8680±170Bc | 8398±184Ab | 10390±144Bb |
T0P1 | 7498±309Cb | 8869±228Ba | 8873±168Cb | 9684±476Bb | 8518±118Bb | 13159±600Ba |
T0P2 | 8921±279Aa | 8933±212Ba | 9163±398Aa | 11048±184Aa | 9407±190Ba | 10762±192Bb |
T0P3 | 7381±147Cb | 7834±170Bb | 8253±315Cb | 10064±175ABb | 8100±256Cb | 12551±269Aab |
T1P0 | 8247±307Aa | 8325±204Bb | 8546±108BCb | 10026±285Aa | 8599±270Ac | 12155±177Ac |
T1P1 | 8411±202Ba | 9666±157Aa | 8667±355Cb | 10054±105ABa | 8705±176Bc | 14130±243Aa |
T1P2 | 8409±283Aa | 9887±173Aa | 9002±244Ab | 10164±162Ba | 10954±477Aa | 13161±517Ab |
T1P3 | 8522±160Ba | 9652±298Aa | 11357±360Aa | 10591±315Aa | 9329±254Bb | 11708±253Bc |
T2P0 | 8223±226Ab | 8020±372BCa | 9155±447ABb | 8805±306Bc | 8481±309Ab | 11074±391Bb |
T2P1 | 8231±408Bb | 8272±353Ca | 10772±444Aa | 9068±155Cbc | 8596±315Bb | 11498±471Db |
T2P2 | 8378±322Ab | 8402±215Ba | 9631±188Ab | 10680±278ABa | 9012±109Bb | 12638±625Aa |
T2P3 | 9204±216Aa | 8182±268Ba | 8997±118Bb | 9661±213Bb | 10998±133Aa | 11471±450Bb |
T3P0 | 8229±256Ab | 9241±335Ab | 9459±432Ab | 9862±335Abc | 8705±427Ac | 11922±320Ab |
T3P1 | 10439±112Aa | 9706±126Aab | 9550±190Bb | 10325±180Aab | 9610±235Ab | 12280±203Cb |
T3P2 | 8474±341Ab | 10277±195Aa | 9652±133Ab | 10493±431ABa | 11042±199Aa | 13231±126Aa |
T3P3 | 8240±191Bb | 9825±318Aab | 11333±465Aa | 9614±267Bc | 8874±158Bc | 12499±159Aab |
T | ** | ** | ** | ** | ** | ** |
P | ** | ** | ** | ** | ** | ** |
T×P | ** | * | ** | ** | ** | ** |
表7 不同处理下根际和非根际土壤碱性磷酸酶活性
Table 7 Alkaline phosphatase (AKP) activity of rhizosphere soil and non-rhizosphere soil under different treatments (U·g-1)
处理 Treatment | 根际土壤碱性磷酸酶AKP of rhizosphere soil | 非根际土壤碱性磷酸酶AKP of non-rhizosphere soil | ||||
---|---|---|---|---|---|---|
第1茬First cut | 第2茬Second cut | 第3茬Third cut | 第1茬First cut | 第2茬Second cut | 第3茬Third cut | |
T0P0 | 7149±158Bb | 7672±328Cb | 7963±334Cb | 8680±170Bc | 8398±184Ab | 10390±144Bb |
T0P1 | 7498±309Cb | 8869±228Ba | 8873±168Cb | 9684±476Bb | 8518±118Bb | 13159±600Ba |
T0P2 | 8921±279Aa | 8933±212Ba | 9163±398Aa | 11048±184Aa | 9407±190Ba | 10762±192Bb |
T0P3 | 7381±147Cb | 7834±170Bb | 8253±315Cb | 10064±175ABb | 8100±256Cb | 12551±269Aab |
T1P0 | 8247±307Aa | 8325±204Bb | 8546±108BCb | 10026±285Aa | 8599±270Ac | 12155±177Ac |
T1P1 | 8411±202Ba | 9666±157Aa | 8667±355Cb | 10054±105ABa | 8705±176Bc | 14130±243Aa |
T1P2 | 8409±283Aa | 9887±173Aa | 9002±244Ab | 10164±162Ba | 10954±477Aa | 13161±517Ab |
T1P3 | 8522±160Ba | 9652±298Aa | 11357±360Aa | 10591±315Aa | 9329±254Bb | 11708±253Bc |
T2P0 | 8223±226Ab | 8020±372BCa | 9155±447ABb | 8805±306Bc | 8481±309Ab | 11074±391Bb |
T2P1 | 8231±408Bb | 8272±353Ca | 10772±444Aa | 9068±155Cbc | 8596±315Bb | 11498±471Db |
T2P2 | 8378±322Ab | 8402±215Ba | 9631±188Ab | 10680±278ABa | 9012±109Bb | 12638±625Aa |
T2P3 | 9204±216Aa | 8182±268Ba | 8997±118Bb | 9661±213Bb | 10998±133Aa | 11471±450Bb |
T3P0 | 8229±256Ab | 9241±335Ab | 9459±432Ab | 9862±335Abc | 8705±427Ac | 11922±320Ab |
T3P1 | 10439±112Aa | 9706±126Aab | 9550±190Bb | 10325±180Aab | 9610±235Ab | 12280±203Cb |
T3P2 | 8474±341Ab | 10277±195Aa | 9652±133Ab | 10493±431ABa | 11042±199Aa | 13231±126Aa |
T3P3 | 8240±191Bb | 9825±318Aab | 11333±465Aa | 9614±267Bc | 8874±158Bc | 12499±159Aab |
T | ** | ** | ** | ** | ** | ** |
P | ** | ** | ** | ** | ** | ** |
T×P | ** | * | ** | ** | ** | ** |
图1 不同菌磷处理下紫花苜蓿各指标主成分分析●,▲,?和■分别代表P0、P1、P2和P3。黑色、红色、绿色和黄色分别代表T0、T1、T2和T3。●, ▲, ? and ■ represents P0, P1, P2, and P3, respectively. Black, red, green and yellow represents T0, T1, T2, and T3, respectively.
Fig.1 Principal component analysis of alfalfa under different fungal phosphorus treatment
图2 苜蓿生长指标、土壤磷等生理参数相关性*: 在0.05水平(双侧)上显著相关。*: Significant correlation was found at the 0.05 level (bilateral).
Fig.2 Correlation between alfalfa growth index, soil phosphorus and other physiological parameters
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