中国水稻科学Issue(2)：185-192,8.DOI:10.3969/j.issn.1001-7216.2014.02.010
锌肥施用方法对水稻产量及籽粒氮锌含量的影响
Effects of Zn Fertilizer Application Methods on Yield and Contents of N and Zn in Grains of Rice
摘要
Abstract
A field experiment was conducted to investigate the effects of Zn fertilizer application rate (0,1 5 ,30 kg/hm2 ZnSO4 7 H 2 O)and application methods (soil,foliar)on the yield and Zn concentration in grains of Zhendao 1 1 (a normal japonica rice variety)under low Zn (DTPA-Zn 0.84 mg/kg)and borderline Zn deficient (DTPA-Zn 0.60 mg/kg)soil in Rudong county,Jiangsu Province,respectively.The results showed that compared with control Zn fertilizer application could significantly improve the rice grain yield by about 0.3%-1 3.0%,with the yield increasing by rising Zn fertilizer rate,and the yield-improving efficiency of Zn fertilizer application in the borderline Zn deficient soil was higher than that in low Zn soil.In addition,application methods of Zn fertilizer also significantly affected grain yield and Zn content in individual rice organ.The yield-improving efficiency of soil application was higher than that of foliars spray,but the foliar spray of Zn fertilizer evidently increased Zn content in individual rice organ relative to the soil application of Zn fertilizer,and the effect of application method on Zn content followed a general trend as soil application + foliar spray > foliar spray> soil application> control.Besides,It also indicated that the N concentration and accumulation were increased in rice organs by Zn fertilizer application,suggesting the interaction between N and Zn fertilizer on rice plant.To sum up,these results indicated that both yield and grain Zn nutrition quality could be facilitated by applying Zn fertilizer on soil combine with foliar spray in low Zn soil.关键词
水稻/锌/施用方法/产量/养分含量Key words
rice/zinc/application method/yield/nutrient content分类
农业科技引用本文复制引用
郭九信,廖文强,孙玉明,郭俊杰,孔亚丽,石佑华,徐爱群,张居翠,郭世伟..锌肥施用方法对水稻产量及籽粒氮锌含量的影响[J].中国水稻科学,2014,(2):185-192,8.基金项目
国际锌协会合作项目(Zinc Nutrient Initiative MD-86) （Zinc Nutrient Initiative MD-86）
公益性行业(农业)科研专项(201103003) （农业）
