Effect of source and level of phosphorus on the yield of sorghum (Sorghum bicolor) under dryland conditions

被引：0

作者：

Raskar, BS ^{[1
]}

机构：

[1] Mahatma Phule Krishi Vidyapeeth, Water Management Project, Rahuri 413722, Maharashtra, India

来源：

INDIAN JOURNAL OF AGRONOMY | 1999年 / 44卷 / 04期

关键词：

winter sorghum; phosphorus; yield;

D O I：

暂无

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

A field experiment was conducted during 1993-94 to 1995-96 on Vertisol to assess the effects of 2 sources and levels of phosphorus on the yield of winter (rabi) sorghum [Sorghum bicolor (L.) Moench] under dryland conditions. The grain yield of rabi sorghum was not influenced by different sources of phosphorus and recorded 21.94 q/ha and 20.75 q/ha grain yield under single superphosphate and diammonium phosphate respectively. The effect of various levels of phosphorus was significant and the magnitude being 18.93, 21.29, 21.63 and 22.53 q/ha respectively at 15, 30 45 and 60 kg P2O5/ha respectively. Similarly, grain and straw yields increased significantly up to 60 kg P2O5/ha. As per the equations, the optimum dose of phosphorus for rabi sorghum was worked out to be 50.6 kg P2O5/ha.

引用

页码：760 / 764

页数：5

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