Evaluation of crop-water production functions for wheat (Triticum aestivum L.) in Brazil

被引：0
|
作者：
de Faria, RT [1 ]
Madramootoo, CA
机构：
[1] Inst Agron Parana, Area Engn Agr, Londrina, PR, Brazil
[2] McGill Univ, Dept Agr & Biosyst Engn, St Anne De Bellevue, PQ, Canada
来源：
TROPICAL AGRICULTURE | 1997年 / 74卷 / 01期
关键词：
production functions; linear regression; crop yield; water stress; wheat;
D O I：
暂无
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
The performance of seven linear crop-water production functions was evaluated for wheat (Triticum aestivum L.) in Parana State, Brazil, Regression parameters for relationships between crop index were obtained by linear regression using data from field experiments conducted over three years. Three seasonal and two growth-stage functions showed significant correlations and similar performance for predicting wheat yield. Those functions were considered appropriate for use in further studies on assessments of risk of water deficit, and crop response to irrigation in the region.
引用
收藏
页码：18 / 24
页数：7
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