不同耕作措施旱地小麦生产应对气候变化的效应分析

草业学报 ›› 2012, Vol. 21 ›› Issue (5): 160-168.

不同耕作措施旱地小麦生产应对气候变化的效应分析

李广^1,2,李玥^1,2,黄高宝^2,3*,罗珠珠⁴,王琦⁵,刘强^1,2,燕振刚^1,2,赵有益⁶

1.甘肃农业大学信息科学技术学院,甘肃兰州730070;
2.甘肃省干旱生境作物学重点实验室甘肃农业大学,甘肃兰州 730070;
3.甘肃农业大学农学院,甘肃兰州 730070;
4.甘肃农业大学资源与环境学院,甘肃兰州 730070;
5.甘肃农业大学草业学院,甘肃兰州 730070;
6.甘肃农业大学理学院,甘肃兰州 730070

收稿日期:2012-03-28 出版日期:2012-05-25 发布日期:2012-10-20
通讯作者: E-mail:huanggb@gsau.edu.cn
作者简介:李广(1971-),男,内蒙古乌兰察布人,教授,博士。E-mail:lig@gsau.edu.cn
基金资助:
国家自然科学基金项目(31060178)和甘肃省自然科学基金项目(1010RJZA185和096RJZA010)资助。

The effects of climate change on dryland wheat production under different tillage systems

LI Guang^1,2, LI Yue^1,2, HUANG Gao-bao^2,3, LUO Zhu-zhu⁴, WANG Qi⁵, LIU Qiang^1,2, YAN Zhen-gang^1,2, ZHAO You-yi⁶

1.College of Information Science and Technology, Gansu Agricultural University, Lanzhou 730070, China;
2.Gansu Provincial Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou 730070, China;
3.College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China;
4.College of Resource and Environment Science, Gansu Agricultural University, Lanzhou 730070, China;
5.College of Grassland Science, Gansu Agricultural University, Lanzhou 730070, China;
6.College of Science, Gansu Agricultural University, Lanzhou 730070, China

Received:2012-03-28 Online:2012-05-25 Published:2012-10-20

摘要/Abstract

摘要： 为探索气候变化对小麦产量影响的机制和规律,在田间试验的基础上通过调试APSIM模型参数,并对模型进行检验,然后用APSIM模型模拟温度和CO₂浓度两因素七水平小麦产量,分析了3种耕作措施下小麦产量对温度和CO₂浓度的响应及敏感性强度。结果表明,不同耕作措施条件下,小麦产量随CO₂浓度升高呈二次抛物线上升型变化,但会出现报酬递减,且免耕覆盖的增产效应大于传统耕作和免耕2种耕作措施;小麦产量随温度升高呈二次抛物线型变化,其中传统耕作和免耕呈二次抛物线递减型变化,并呈叠加递减效应,而免耕覆盖呈二次抛物线拐点型变化,拐点值为0.94℃时,小麦产量可达到2 818.3 kg/hm²。温度和CO₂浓度互作对小麦产量的敏感性分不敏感、正敏感和负敏感区域,且免耕覆盖的敏感性变化较小。在3种耕作措施中,免耕覆盖CO₂浓度升高小麦的增产效应可以补偿高温所导致的减产,并且温度和CO₂浓度具有更好的协同促进作用。免耕覆盖小麦生产具有较好应对温度和CO₂浓度变化的能力,可以缓减气候变化带来的负效应。

Abstract: In order to explore the influence mechanism and regulation of climate change on wheat yields, the parameters of APSIM model were firstly modified and then verified according to the data collected from field experiment. APSIM model was used to survey the effect and sensitivity of elevated CO₂ concentration and temperature on wheat yield under 3 tillage systems. The results show the relationships between wheat yield and the CO₂ concentration were quadratic parabola that shows an increased change and the yield will coincide with the diminishing return when CO₂ concentration increase. Meanwhile, the increasing effect of wheat yield of no tillage with stubble mulching (NTS) is greater than that of conventional tillage (T) and no tillage (NT). The relationships between wheat yield and temperature were quadratic parabola. Wheat yield and temperature of T and NT show a decreased change of quadratic parabola, and the contribution of temperature to the yield will coincide with the superimposed decreasing effect. Wheat yield and temperature under NTS show inflection point type change of quadratic parabola, temperature threshold is 0.94℃. Sensitivity of wheat yield to interaction of temperature and CO₂ concentration is divided to insensitivity, positive sensitivity and negative sensitivity. Sensitivity under NTS treatment changes little. In 3 tillage systems, the increasing effect of wheat yield caused by elevated CO₂ concentration can compensate for the yield reduction due to high temperature under NTS treatment, and there exists better interaction effect between CO₂ concentration and temperature. Preferably NTS can deal with the change of temperature and CO₂ concentration better, and it can reduce the negative effect of climate change.

中图分类号:

S512.1
S181

李广,李玥,黄高宝,罗珠珠,王琦,刘强,燕振刚,赵有益. 不同耕作措施旱地小麦生产应对气候变化的效应分析[J]. 草业学报, 2012, 21(5): 160-168.

LI Guang, LI Yue, HUANG Gao-bao, LUO Zhu-zhu, WANG Qi, LIU Qiang, YAN Zhen-gang, ZHAO You-yi. The effects of climate change on dryland wheat production under different tillage systems[J]. Acta Prataculturae Sinica, 2012, 21(5): 160-168.

参考文献

[1] 孙成权, 高峰, 曲建升. 全球气候变化的新认识: IPCC第三次气候变化评价报告概览[J]. 自然杂志, 2002, 24(2): 114-122.
[2] 包刚, 覃志豪, 周义, 等. 气候变化对中国农业生产影响的模拟评价进展[J]. 中国农学通报, 2012, 28(2): 303-307.
[3] David W, Rowan A C. Crop ecosystem responses to climatic change: wheat[A]. In: Reddy K R, Hodges H F. Climate Change and Global Crop Productivity[M]. New York, USA: CABI Press, 2000:57-80.
[4] 居辉, 熊伟, 许吟隆, 等. 气候变化对我国小麦产量的影响[J]. 作物学报, 1995, 31(10): 1340-1343.
[5] 沈禹颖, 南志标, Robertson M, 等. APSIM模型的发展与应用[J]. 应用生态学报, 2002, 13(8): 1027-1032.
[6] 王改玲, 郝明德, 许继光, 等. 保护性耕作对黄土高原南部地区小麦产量及土壤理化性质的影响[J]. 植物营养与肥料学报, 2011, 17(3): 539-544.
[7] 王建政. 旱地小麦保护性耕作对土壤水分的影响[J]. 中国水土保持科学, 2007, 5(5): 71-74.
[8] 李玲玲, 黄高宝, 张仁陟, 等. 不同保护性耕作措施对旱作农田土壤水分的影响[J]. 生态学报, 2005, 25(9): 2326-2332.
[9] 于爱忠, 黄高宝, 柴强.　不同耕作措施对西北绿洲灌区冬小麦农田土壤呼吸的影响[J]. 草业学报, 2012, 21(1): 273-278.
[10] 张仁陟, 罗珠珠, 蔡立群, 等. 长期保护性耕作对黄土高原旱地土壤物理质量的影响[J]. 草业学报, 2011, 20(4): 1-10.
[11] 康轩, 黄景, 吕巨智, 等. 保护性耕作对土壤养分及有机碳库的影响[J]. 生态环境学报, 2009, 18(6): 2339-2343.
[12] Asseng S, Keating B A, Fillery I R P, et al. Performance of the APSIM-wheat model in Western Australia[J]. Field Crops Research, 1998, 57(2): 163-179.
[13] Asseng S, Keulen H V, Stol W, et al. Performance and application of the APSIM N-wheat model in the Netherlands[J]. Europ Journal Agronomy, 2000, 12(1): 37-54.
[14] Sinclair T R, Seligman N. Criteria for publishing papers on crop modeling[J]. Field Crops Research, 2000, 68: 165-172.
[15] Mccown R L, Hammer G L, Hargreaves J N G, et al. APSIM: a novel software system for model development, model testing and simulation in agricultural systems research[J]. Agricultural Systems, 1996, 50: 255-271.
[16] Mccown R L, Hammer G L, Hargreaves J N G. APSIM: an agricultural production system simulation model for operational research[J]. Mathematics and Computers in Simulation, 1995, 39: 225-231.
[17] 孙宁, 冯利平. 利用冬小麦作物生长模型对产量气候风险的评估[J].农业工程学报, 2005, 21(2): 106-110.
[18] 李广, 黄高宝, Bellotti W, 等. APSIM模型在黄土丘陵沟壑区不同耕作措施中的适用性[J]. 生态学报, 2009, 29(5): 2655-2663.
[19] 李广, 黄高宝. 基于APSIM模型的降水量分配对旱地小麦和豌豆产量影响的研究[J]. 中国生态农业学报, 2010, 18(2): 342-347.
[20] 李广, 黄高宝, 王琦, 等. 基于APSIM模型的旱地小麦和豌豆水肥协同效应分析[J]. 草业学报, 2011, 20(5): 151-159.
[21] 孙芳, 杨修, 林而达, 等. 中国小麦对气候变化的敏感性和脆弱性研究[J]. 中国农业科学, 2005, 38(4): 692-696.
[22] Watson R T, Zinyowera M C, Moss R H. The Regional Impacts of Climate Change: an Assessment of Vulnerability[M]. UK: Cambridge University Press, 1997: 1-18.
[23] 王育红, 蔡典雄, 姚宇卿, 等. 豫西旱坡地长期定位保护性耕作研究—Ⅱ.连年免耕和深松覆盖对麦田土壤温度的影响[J]. 干旱地区农业研究, 2010, 28(2): 59-64.
[24] 张薇, 周连仁. 保护性耕作对黑钙土水分及温度的影响[J]. 东北农业大学学报, 2011, 42(2): 115-121.
[25] 王美玉, 赵天宏, 张巍巍, 等. CO₂浓度升高与温度、干旱相互作用对植物生理生态过程的影响[J].干旱地区农业研究, 2007, 25(2): 99-103.
[26] Idso K E, Idso S B. Plant responses to atmospheric CO₂ enrichment in the face of environmental constraints: a review of the past 10 years’ research[J]. Agricultural and Forest Meteorology, 1994, 69:153-203.
[27] 林伟宏, 白克智, 匡廷云.大气CO₂浓度和温度升高对水稻叶片及群体光合作用的影响[J].植物学报, 1999, 41(6):624-628.
[28] 孙谷畴, 赵平, 饶兴权, 等.供氮和增温对倍增二氧化碳浓度下荫香叶片光合作用的影响[J].应用生态学报, 2005, 16(8):1399-1404.
[29] He J S, Kelly S W, Bazzaz F A. Leaf level physiology, biomass, and reproduction of phytolacca America under conditions of elevated CO₂ and altered temperature regimes[J]. International Journal of Plant Sciences, 2005,166(4): 615-622.
[30] 王修兰, 徐师华, 李祐祥, 等. CO₂浓度倍增对小麦生育性状和产量构成的影响[J]. 生态学报, 1996, 16(3): 328-332.
[31] 毛红玲, 李军, 贾志宽, 等. 旱作麦田保护性耕作蓄水保墒和增产增收效应[J]. 农业工程学报, 2010, 26(8): 44-51.
[32] 付国占, 李潮海, 王俊忠, 等. 残茬覆盖与耕作方式对土壤性状及夏玉米水分利用效率的影响[J]. 农业工程学报, 2005, 21(1): 52-56.
[33] 江晓东, 李增嘉, 侯连涛, 等. 少免耕对灌溉农田冬小麦/夏玉米作物水、肥利用的影响[J]. 农业工程学报, 2005, 21(7): 20-24.