Growth, yield components and grain yield response of rice to temperature and nitrogen levels

被引：0

作者：

Raj, A. ^{[1
]}

Chakrabarti, B. ^{[1
]}

Pathak, H. ^{[1
]}

Singh, S. D. ^{[1
]}

Mina, U. ^{[1
]}

Mittal, R. ^{[1
]}

机构：

[1] Indian Agr Res Inst, Ctr Environm Sci & Climate Resilient Agr, New Delhi 110012, India

来源：

JOURNAL OF AGROMETEOROLOGY | 2016年 / 18卷 / 01期

关键词：

Elevated temperature; nitrogen dose; rice; yield; ELEVATED-TEMPERATURE; PHENOLOGY;

D O I：

暂无

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

An experiment was carried out during the kharif season of year 2013 inside Temperature Gradient Tunnel (TGT) of Centre for Environment Science and Climate Resilient Agriculture (CESCRA), at IARI farm to study impact of elevated temperature on the growth and yield responses of rice crop under four N levels. Results showed that grain and biomass yield of rice had decreased significantly with rise in temperature inside the TGT. With recommended N dose, yield reduction of rice was 37 per cent with rise in temperature to 3.9 degrees C over ambient air condition but application of 125 per cent N can prevent the yield loss by 6per cent as compared to 100 per cent recommended N treatment. Yield parameters Spikelet sterility of rice did increase with increase in temperature.

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页数：6

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