节点文献
冀中地区棉田氮肥适宜用量研究
Study on Optimum Nitrogen Amount in Cotton Field in Central Hebei
【摘要】 为明确冀中地区棉田适宜的氮肥用量,在南皮县原种场进行了2 a的定位试验,研究不同施氮量对棉花生长发育及产量的影响。结果表明:冀中地区棉田适宜施氮量为231.1 kg/hm2。
【Abstract】 In order to clear the optimum nitrogen amount in cotton field in central Hebei,the effects of different nitrogen amounts on the growth and yield of cotton were studied in Nanpi County.The results indicated that the optimum nitrogen amount in cotton field was 231.1 kg/hm2.
【关键词】 冀中地区;
棉花;
氮肥;
施用量;
【Key words】 Central Hebei; Cotton; Nitrogen fertilizer; Application amount;
【Key words】 Central Hebei; Cotton; Nitrogen fertilizer; Application amount;
【基金】 农业部公益性行业科研专项项目(项目编号nyhyzx07-005-4);国家棉花产业技术创新体系项目
- 【文献出处】 河北农业科学 ,Journal of Hebei Agricultural Sciences , 编辑部邮箱 ,2010年02期
- 【分类号】S562
- 【被引频次】2
- 【下载频次】49