Production-potential and net returns in sorghum (Sorghum bicolor) plus cowpea (Vigna unguiculata)- wheat (Triticum aestivum) crop sequence

被引：0
|
作者：
Kumar, A [1 ]
Balyan, JS [1 ]
机构：
[1] Indian Agr Res Inst, Div Agron, New Delhi 110012, India
来源：
INDIAN JOURNAL OF AGRONOMY | 2001年 / 46卷 / 03期
关键词：
Sorghum plus cowpea-wheat sequence; production potential; net returns;
D O I：
暂无
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
The results of 2 years field experiment showed that maximum grain and straw yields of wheat (Triticum aestivum. L: emend. Fiori & Paol.) were obtained when it was preceded by sorghum [Sorghum bicolor (L.) -Moench] + cowpea [Vigna unguiculata (L.) Walp.] (fodder) followed by after cowpea grain (stover incorporation). Phosphorus applied to previous rainy-season (kharif) crops up to 30 kg/ha and direct applied N to wheat up to 75 kg/ha, helped in increasing the grain and straw yields of wheat in both the years. There was no significant increase in the yield beyond 30 kg P2O5/ha. Growth-parameters of wheat, i:e plant height, leaf-area index, dry matter and number of tillers/plant; responded favourably to inclusion of legumes (during rainy season) in cropping systems and N applied. to wheat only up to 75 kg/ha.
引用
收藏
页码：410 / 415
页数：6
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