不同用量钾硅钙微孔矿物肥对水稻生长及产量的影响

doi:CNKI:SUN:NCST.0.2010-03-022

Abstract

Abstract: Field experiments were carried out in Hulin of Heilongjiang,Chifeng of Inner Mongolia, Jining of Shandong, Fenggang of Guizhou and Zengcheng of Guangdong. 5 treatments were designed, i.e. no fertilizer,conventional fertilization,conventional fertilization+microporous potassium-silicon-calcium mineral fertilizer at 450 kg·hm^-2, conventional fertilization + microporous potassium-silicon-calcium mineral fertilizer at 900 kg·hm^-2, conventional fertilization + microporous potassium-silicon-calcium mineral fertilizer at 1 350 kg·hm^-2, for the study of effect of microporous mineral fertilizer, a national invention patented product,on rice growth and yield. Results show that the new fertilizer increased yield by 7.6% on average, and economic income by the range of 68-3 210 Yuan·hm^-2, as compared with the conventional fertilizers. Considering its effect on rice yield and economic benefit, the optimal economic application rate is recommended to be 450 kg·hm^-2.

Key words: potassium-silicon-calcium mineral fertilizer, rice, growing character, yield

CLC Number:

S511

QI Xin, HAN Cheng, LIU Jian-Ming. Effect of Microporous Potassium-Silicon-Calcium Mineral Fertilizer on Growth and Yield of Rice[J]. Journal of Ecology and Rural Environment, 2010, 26(3): 282-285.

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URL: http://www.ere.ac.cn/EN/CNKI:SUN:NCST.0.2010-03-022

http://www.ere.ac.cn/EN/Y2010/V26/I3/282

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Effect of Microporous Potassium-Silicon-Calcium Mineral Fertilizer on Growth and Yield of Rice

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