Influence of the Fertilizer Placement on the Nutrient Uptake of Summer Maize Early Growth

文献类型： 外文期刊

第一作者： Wang He

作者： Wang He;Bai Youlu;Yang Liping;Lu Yanli;Wang Lei

作者机构：

关键词： Fertilizer placement;Summer maize;Nutrient uptake

期刊名称：ADVANCES IN CHEMISTRY RESEARCH II, PTS 1-3

ISSN： 1022-6680

年卷期： 2012 年 554-556 卷

页码：

收录情况： SCI

摘要： The proper fertilizer placement is an important technical measure to reduce fertilizer waste and increase the yield of summer maize. Fertilizer application into the area where root system density is higher and root activity is relatively large, which would accelerate the uptake rate and increase uptake quantity of nutrient of maize, improve the yield of summer maize. Appling quick-acting nitrogen fertilizer in the bottom of the maize seed is easy to cause the phenomenon of burn seedlings. But coated nitrogen fertilizer can slowly release nitrogen and will not harm the germination of maize seed, so it may be feasible to apply coated nitrogen fertilizer in the bottom of the maize seed. A field experiment is designed to study the effect on summer maize early growth and nutrient uptake by coated nitrogen fertilizer placement and the result shows that the nutrients diffusion area of coated nitrogen fertilizer is relative small, and applying the fertilizer below can centralize the nutrients around the area where root system is dense, promote the growth of maize's root system and increase maize's uptake of nitrogen.

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