中国农业科学院农业信息研究所 中国农学会
Agricultural Information Institute of CAAS China Association of Agricultural Science Societies
En
Ch
中国农业科学院农业信息研究所 中国农学会 主办

AI检索

订阅

返回顶部
当前位置: 首页 > 文章 > 移栽棉花氮肥经济施用技术及增产原理 江苏农业学报 1990 (4) 22-29
Position: Home > Articles > Studies on Economical Application of Nitrogen Fertilizer to Transplanted Cotton and the Reason for Yield Increase Jiangsu Journal of Agricultural Sciences 1990 (4) 22-29

移栽棉花氮肥经济施用技术及增产原理

作  者：
王正芳;徐宗敏;徐立华
单  位：
江苏省农业科学院原子能农业利用研究所
关键词：
~(15)N示踪;氮肥;移栽棉花
摘  要：
应用~(15)N示踪研究移栽棉花氮肥经济施用技术及增产原理。结果表明:单施安家肥的棉花需在肥力较好的土壤上栽培;花铃肥需在施适量安家肥的基础上施用;初花期前,棉株80％以上氮素养分分配于营养器官;初花期后,棉株吸收的氮素养分大量进入生殖器官;安家肥、安家肥+花铃肥处理初絮期棉株总氮量分别比对照高59.6％,40.1％;两处理初絮期棉株生殖器官总氮量比对照高80.9％,58.5％;两处理皮棉产量为94.2公斤/亩,91.9公斤/亩,比对照增产36.7％,33.4％。然而,在一般气候条件下,氮肥仍以分作安家肥、花铃肥二次施用为宜。
译  名：
Studies on Economical Application of Nitrogen Fertilizer to Transplanted Cotton and the Reason for Yield Increase
作  者：
Wang Zhengfang ( Institute for Application of Atomic Energy, Jiangsu Academy of Agricultural Sciences, Nanjing 210014) Xu Zhongmin and Xu Lihua ( Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014)
关键词：
~(15)N tracing; Nitrogen fertilizer; Transplanted cotton
摘  要：
The economical application of nitrogen fertilizer to transplanted cotton and the reason for yield increaes were studied with ~15N as the tracer. The results showed. Cotton should be planted on soil of rich fertility; if only transplanting fertilizer is to be applied; flower-boll fertilizer should be applied on the basis that a certain amount of transplanting fertilizer has been applied; before flowering, over 80% of nitrogen in the plant goes into vegetative organs; after flowering, a great quantity of nitrogen goes into reproductive organs. At initial boll opening, the cotton plants in the "transplanting fertilizer" treatment and the "transplanting fertilizer plus flower-boll fertilizer" treatment showed increase of 59.6% and 40.1%, respectively, in total nitrogen content over the control. However, in reproductive organs, the corresponding increases were 80.9% and 58.5%, respectively. The yields of ginned cotton of the two treatments were 1413kg/ha and 1379kg/ha, respectively, 36.7% and 33.4% higher than that of the control (without nitrogen fertilizer). However, under general climatic conditions, it is suitable to apply nitrogen fertilizers in two split dressings-transplanting fertilizer and flower-boll fertilizer.

相似文章

导出引用
计量
文章访问数: 5
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊

友情链接Friendly link
农业信息研究所Agricultural information institute 农业智能知识服务平台Agricultural intelligent knowledge service platform 农业学术服务平台Agricultural Knowledge Service System 中国知网CNKI 维普网VIP 万方WANFANG DATA
联系我们Contact us

电话Tell：010-82109652-808

邮箱E-mail：agrijournal@caas.cn

服务Service
关于我们About us 意见建议Opinions and suggest
版权说明Copyright
单位：中国农业科学院农业信息研究所 中国农学会 © 2017中国农业科学院农业信息研究所 ICP备案号：京ICP备09089781号-46