Acta Prataculturae Sinica ›› 2026, Vol. 35 ›› Issue (2): 54-67.DOI: 10.11686/cyxb2025102
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Yang-kun LI1,2(
), Zhuan-lin BEN1,2, Jun-yu ZHANG1,2, Hui-min YANG1,2(
)
Received:2025-03-25
Revised:2025-05-22
Online:2026-02-20
Published:2025-12-24
Contact:
Hui-min YANG
Yang-kun LI, Zhuan-lin BEN, Jun-yu ZHANG, Hui-min YANG. A meta-analysis on the effect of fertilizer type on alfalfa seed yield under various climate and soil conditions[J]. Acta Prataculturae Sinica, 2026, 35(2): 54-67.
研究地点 Research site# | 年均降水 Annual average precipitation (mm) | 年均温度 Mean annual temperature (℃) | 土壤有机质 Soil organic matter (g·kg-1) | 土壤全氮 Soil total nitrogen (g·kg-1) | 土壤碱解氮 Soil alkali-hydrolyzable nitrogen (mg·kg-1) | 土壤速效磷 Soil available phosphorus (mg·kg-1) | 土壤速效钾 Soil available potassium (mg·kg-1) |
|---|---|---|---|---|---|---|---|
| 甘肃Gansu (14) | 48.4~600.0 | 7.3~8.9 | 1.58~11.30 | 0.24~0.94 | 22.23~59.45 | 6.03~30.70 | 109.00~231.00 |
| 新疆Xinjiang (10) | 150.0~228.0 | 7.5~7.6 | 12.48~19.36 | 1.55~1.56 | 14.20~25.69 | 12.00~37.00 | 230.30~338.80 |
| 宁夏Ningxia (4) | 250.0~430.0 | 7.4~7.7 | 0.51~26.36 | 0.43~2.03 | 19.80~114.60 | 4.44~13.97 | 9.87~209.00 |
| 青海Qinghai (1) | 391.0 | 0.1 | 4.80 | 0.06 | - | 6.00 | 129.50 |
| 内蒙古Inner Mongolia (5) | 225.0~400.0 | 1.6~7.2 | 12.02~13.00 | 0.72 | 1.48~72.70 | 2.05~40.45 | 75.81~98.33 |
| 黑龙江Heilongjiang (6) | 427.4~450.0 | 3.0~4.2 | 2.10~30.70 | - | 89.25 | 2.40~16.12 | 137.35~150.00 |
| 吉林Jilin (2) | 426.8 | - | 2.16 | - | - | - | - |
| 北京Beijing (1) | 628.9 | 12.5 | 1.64 | 0.09 | 72.20 | 23.00 | 101.00 |
| 西藏Tibet (1) | 400.0 | 8.2 | 19.60 | 1.31 | 81.00 | 5.31 | 22.00 |
Table 1 Overview of research sites described in the literature
研究地点 Research site# | 年均降水 Annual average precipitation (mm) | 年均温度 Mean annual temperature (℃) | 土壤有机质 Soil organic matter (g·kg-1) | 土壤全氮 Soil total nitrogen (g·kg-1) | 土壤碱解氮 Soil alkali-hydrolyzable nitrogen (mg·kg-1) | 土壤速效磷 Soil available phosphorus (mg·kg-1) | 土壤速效钾 Soil available potassium (mg·kg-1) |
|---|---|---|---|---|---|---|---|
| 甘肃Gansu (14) | 48.4~600.0 | 7.3~8.9 | 1.58~11.30 | 0.24~0.94 | 22.23~59.45 | 6.03~30.70 | 109.00~231.00 |
| 新疆Xinjiang (10) | 150.0~228.0 | 7.5~7.6 | 12.48~19.36 | 1.55~1.56 | 14.20~25.69 | 12.00~37.00 | 230.30~338.80 |
| 宁夏Ningxia (4) | 250.0~430.0 | 7.4~7.7 | 0.51~26.36 | 0.43~2.03 | 19.80~114.60 | 4.44~13.97 | 9.87~209.00 |
| 青海Qinghai (1) | 391.0 | 0.1 | 4.80 | 0.06 | - | 6.00 | 129.50 |
| 内蒙古Inner Mongolia (5) | 225.0~400.0 | 1.6~7.2 | 12.02~13.00 | 0.72 | 1.48~72.70 | 2.05~40.45 | 75.81~98.33 |
| 黑龙江Heilongjiang (6) | 427.4~450.0 | 3.0~4.2 | 2.10~30.70 | - | 89.25 | 2.40~16.12 | 137.35~150.00 |
| 吉林Jilin (2) | 426.8 | - | 2.16 | - | - | - | - |
| 北京Beijing (1) | 628.9 | 12.5 | 1.64 | 0.09 | 72.20 | 23.00 | 101.00 |
| 西藏Tibet (1) | 400.0 | 8.2 | 19.60 | 1.31 | 81.00 | 5.31 | 22.00 |
平均效应值 Mean effect size | 95%置信区间95%CI | 效应量检验Effect size test | 异质性检验Heterogeneity test | |||
|---|---|---|---|---|---|---|
| 上限Upper limit | 下限Lower limit | Z | P | Q | P | |
| 0.15 | 0.12 | 0.18 | 9.52 | <0.01 | 7249.13 | <0.01 |
Table 2 Effect sizes of fertilization on alfalfa seed yield
平均效应值 Mean effect size | 95%置信区间95%CI | 效应量检验Effect size test | 异质性检验Heterogeneity test | |||
|---|---|---|---|---|---|---|
| 上限Upper limit | 下限Lower limit | Z | P | Q | P | |
| 0.15 | 0.12 | 0.18 | 9.52 | <0.01 | 7249.13 | <0.01 |
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