氮锌互作对水稻产量及籽粒氮、锌含量的影响
郭九信;隋标;商庆银;胡香玉;廖文强;郭世伟
【期刊名称】《植物营养与肥料学报》 【年(卷),期】2012(018)006
【摘要】为探明氮锌互作对水稻产量及氮、锌含量的影响,以“镇稻11号”为供试材料,在大田条件下研究了2个氮肥用量(N200、300kg/hm^2)下6个施锌水平(ZnSO4·7H200、10、25、50、100、150kg/hm^2)对水稻产量及成熟期植株氮、锌浓度及累积量的影响。试验结果表明:在本试验条件下,锌肥的施用对水稻产量的增加不显著,但施锌能显著提高水稻各部位的锌浓度和籽粒锌累积量,并能提高水稻籽粒的氮浓度和粗蛋白含量,且表现出随施锌量的增加籽粒的氮浓度和粗蛋白含量增加的趋势;高施氮量有利于水稻的增产及对锌的吸收与累积。因此,氮锌配施具有增加籽粒锌富集和提高蛋白质含量的双重效益。%The objectives of this study were to investigate the effects of combination use of nitrogen (N) and zinc (Zn) fertilizers on rice yields, and the contents of N and Zn and their accumulations in rice plants at the maturity stage under field conditions. The rice cultivar, Zhendao 11 ( a normal jiponica variety, was grown under two N rates (N 200, 300 kg/ha) with six Zn levels (ZnSO4.TH20 0, 10, 25, 50, 100 and 150 kg/ha). The experiment results show that the Zn fertilizer could slightly improve the rice grain yield. The nutrition quality of rice grains is enhanced with the increases of the contents of grain N, crude protein and Zn under the Zn fertilizer application and the tendency is increased
with the increase of the Zn application level. In addition, compared to the normal N rate, the yield, Zn uptake and accumulation of rice plants are increased significantly under the high N rate. These results indicate that both of grain Zn concentration and protein content could be facilitated by applying Zn fertilizer and N fertilizer. 【总页数】7页(1336-1342)
【关键词】水稻;氮肥;锌肥;产量;氮浓度;锌浓度 【作者】郭九信;隋标;商庆银;胡香玉;廖文强;郭世伟
【作者单位】南京农业大学资源与环境科学学院,江苏南京210095;南京农业大学资源与环境科学学院,江苏南京210095;南京农业大学资源与环境科学学院,江苏南京210095;南京农业大学资源与环境科学学院,江苏南京210095;南京农业大学资源与环境科学学院,江苏南京210095;南京农业大学资源与环境科学学院,江苏南京210095 【正文语种】中文 【中图分类】S511.062 【文献来源】
https://www.zhangqiaokeyan.com/academic-journal-cn_journal-plant-nutrition-fertilizers_thesis/0201258923399.html 【相关文献】
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