[1]郭庆荣,李玉山.黄土旱塬玉米产量与土壤水分关系数学模型研究[J].水土保持研究,1996,3(03):136-140.
　Guo Qingrong,Li Yushan.Study on the Relationship Model Between the Yield of Spring Corn and Soil Moisture in Non-irrigated Plateau of Loess[J].Research of Soil and Water Conservation,1996,3(03):136-140.
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黄土旱塬玉米产量与土壤水分关系数学模型研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 3 期数: 1996年03期 页码: 136-140 栏目: 出版日期: 1900-01-01
Title:
Study on the Relationship Model Between the Yield of Spring Corn and Soil Moisture in Non-irrigated Plateau of Loess
作者:
郭庆荣1, 李玉山2
1. 广东省土壤研究所, 广州, 510650;
2. 中国科学院水利部水土保持研究所, 陕西, 杨陵, 712100
Author(s):
Guo Qingrong1, Li Yushan2
1. Guangdong Insititer of Soil Sciences, Guangzhou, 510650;
2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shanxi, 712100
关键词:
玉米; 产量; 土壤水分; 耗水量; 数学模型
Keywords:
spring corn; crop yield; water consumption; soil moisture; mathematical model
摘要:
采用田间遮雨棚下模拟土柱的试验方法和田间小区试验方法,对黄土旱源长武塬区不同土壤水分处理下玉米产量与土壤水分关系进行了研究.结果表明,无论是模拟土柱试验中,相对生物量、相对经济产量与土壤水分保证率之间的关系,或者相对生物产量、相对经济产量与相对耗水量之间的关系;还是大田小区试验中,玉米产量与耗水量之间的关系,或相对产量与相对耗水量之间的关系,它们都遵循如下抛物线变化规律:y=ax2+bx+c,a、b、c为待定常数.
Abstract:
Two experiments both of simulation under rainproof shelter and plot in.field were done to study the relationship between the yield of spring corn and soil moisture in the different treatments of water supply in Non-irrigated Plateau of Loess.The results showed that,the relationship between the relative biomass or grain yield and the soil moisture,or the relationship between the relative biomass or grain yield and the water consumption in the simulation experiment under rainproof shelter in field;and the relationship between the relative grain yield and the relative water consumption in the field plot experiment,they were described by a parabola,namely,y=ax2+bx+c,a and b and c were constants.

参考文献/References:

[1] Doorenbos,J.and A.H.Kassam.Yield Responce to water.Irrigation and Drainage Poper.Rome.1979.No,33
[2] 陈明荣等.中国气候生产潜力区划的探讨.自然资源,1984,No.3
[3] Steward;B.A.et al.Yield and water use efficiency of grain sorghum in a limited irrigation.Agronomy Journal,1986,78(1),28-32
[4] Aggarwal,P.K.et al,Performance of wheat and trticale cultivars in a variable soil-water environment:Ⅰ.Evapotranspiration,WUE,harvest index and grain yield,Field Crop Research,1986(13),301-315
[5] Ga jri,P.R.,Rooting,water use and yield relation in wheat on loamy sand and sand loam soil,Field Crop Research,1985,12,15-132
[6] 施成熙等.农业水文学.北京:农业出版社,1982

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备注/Memo

收稿日期:1995-9-10。
基金项目:国家自然科学基金

更新日期/Last Update: 1900-01-01