安徽农业科学2013，Vol.41Issue(3)：1018-1019,2.
不同氮肥后移量对稻套麦产量的影响
Effects of Different Nitrogen Fertilizer Application Amount at the Later Stage on the Yield of Interplanting Wheat(Triticum aestivum Linn.) in Paddy
严玲 1张正海 2季陆鹰 3葛胜 3郭静 3杨武广 3朱伟3
作者信息
- 1. 江苏省扬州市邗江区汊河街道农业综合服务中心,江苏扬州225009
- 2. 江苏省扬州市邗江区公道镇农业综合服务中心,江苏扬州225009
- 3. 江苏省扬州市邗江区农作物技术推广中心,江苏扬州225009
- 折叠
摘要
Abstract
[Objective] The aim was to study the effects of different nitrogen fertilizer application amount at the later stage on the yield of interplanting wheat in paddy, and discuss its suitable nitrogen fertilizer application amount. [Method] Seven treatments were designed by single factor randomized block design and the sowing time of wheat seeds was October 25. Five treatments of different urea application amount at jointing stage were as follows; treatment A 150 kg/hm2, treatment B 225 kg/hm2, treatment C 300 kg/hm2, treatment D 375 kg/hm2, CK1 0 kg/hm2. The soil was ploughed by rotary tillage after rice harvesting and then sowed wheat, thereinto, two sowing times were designed, namely CK2 November 5 and CK3 November 15 resp.. The seeds application amount of interplanting wheat in paddy was 225 kg/hm2, and that of sowing wheat after rice harvest was 150 kg/hm2. [Result] Under the same application amount of basic fertilizer and tiller fertilizer, the grains per spike, 1000-grain weight, theoretical yield, practical yield and economic coefficient of treatment B were all higher than those of the other treatments and CK1. While comparing to sowing wheat after rice harvest treatment, under the same application amount of basic fertilizer and tiller fertilizer, the wheat yield of interplanting wheat in paddy treatment was lower than that of sowing wheat after rice harvest in suitable sowing time, while higher than that of late sowing wheat after rice harvest. [Conclusion] The study provides a theoretical reference for high yield cultivation of interplanting wheat in paddy.关键词
氮肥后移/稻套麦/产量Key words
Later application nitrogen fertilizer/ Interplanting wheat in paddy/ Yield分类
农业科技引用本文复制引用
严玲,张正海,季陆鹰,葛胜,郭静,杨武广,朱伟..不同氮肥后移量对稻套麦产量的影响[J].安徽农业科学,2013,41(3):1018-1019,2.
