Effects of Loss Control and Conventional Fertilizer on Nutrient Accumulation and Growth and Development of Summer Maize

doi:10.7668/hbnxb.2016.04.031

Abstract

Abstract: In order to study the effects of loss control and ordinary fertilizers on nutrient accumulation and growth and development of summer maize,field experiments were conducted at the Xinji experimental station of Agricultural University of Hebei during 2014-2015.Maize morphology and physiology characters and nutrient uptake efficiency were studied using maize hybrid Zhengdan 958 as material.The results showed that with the same nutrient amount (N 144 kg/ha,P₂O₅ 72 kg/ha,K₂O 72 kg/ha) of loss control and ordinary fertilizer applied,there were significant changes on maize growth and development,dry matter accumulation and nutrient accumulation,and the effects of loss control fertilizer treatment were significantly better than those of ordinary fertilizer.Compared with ordinary fertilizer,the 1 000 grains weight,dry matter and yield of maize of loss control fertilizer could be increased by 12.3%,12.8% and 6.9%,respectively.The content of nutrient elements in organs of loss control fertilizer treatment was higher than that of the ordinary fertilizer.Maize leaf area index and photosynthetic rate at kernel filling stage were enhanced by loss control fertilizer treatment.Stalk thickness and puncture resistance of basal internodes of loss control fertilizer treatment maize were also enhanced,so the lodging resistance ability was increased.As a new type of fertilizer,loss control fertilizer would play an important role in improving the yield of maize,increasing the efficiency of fertilization and protecting the environment.

Key words: Maize, Loss control fertilizer, Nutrient accumulation, Growth and development, Yield, Nutrient uptake efficiency

CLC Number:

JIANG Qian, LI Lei, ZHANG Fenglu, YUAN Liuliu, WANG Juhui, WU Ruijuan. Effects of Loss Control and Conventional Fertilizer on Nutrient Accumulation and Growth and Development of Summer Maize[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2016, 31(4): 199-205. doi: 10.7668/hbnxb.2016.04.031.

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