玉米新品种郧单20需肥规律研究
Fertilizer Requirement Pattern of New Maize Varieties Yundan 20
周刚 1吴承国 1李永学 2唐余成 2李萌 2陈光勇 2王致云 2王巍2
作者信息
- 1. 十堰市农业科学院,湖北十堰 442000;主要粮食作物产业化湖北省协同创新中心(长江大学),湖北荆州 434025
- 2. 十堰市农业科学院,湖北十堰 442000
- 折叠
摘要
[目的]探讨玉米新品种郧单20的需肥规律,制定郧单20的高产栽培体系.[方法]以高产玉米新品种郧单20为材料,采用底肥和追肥双因素完全随机区组设计,研究了底肥和追肥不同处理对郧单20农艺性状和产量的影响.[结果]该品种不追肥的产量较追肥低;追肥量在450~600 kg/hm2时,虽然产量较高,但倒伏也较严重,且与追肥量300 kg/hm2的产量差异不显著;该品种在底肥750 kg/hm2、追肥300 kg/hm2的施肥水平下,产量为11 425.50 kg/hm2,其抗病性、抗逆性、植株农艺性状较优.[结论]郧单20较为适宜的施肥量为底肥750 kg/hm2、追肥300 kg/hm2.
Abstract
[Objective] The aim was to explore the fertilizer requirement pattern of new maize varieties Yundan 20 and formulate high yield culture system of Yundan 20.[Method] We used the high-yielding maize varieties Yundan 20 as experiment object, designed a double factors completely randomized block test, studied the effect of different base fertilizer and different top application treatment on the agronomic traits and yield of Yundan 20.[Result] The yield of no fertilizer treatment was the lowest;the yield of the treatment with 450-600 kg/hm2 top application was higher, while, the lodging-resistance capability was weak;there was no significant difference between the treatment with 450-600 kg/hm2 top application and 300 kg/hm2 top application;the treatment with 750 kg/hm2 base fertilizer and 300 kg/hm2 top application was the most appropriate fertilizer rate, and its yield was 11 425.50 kg/hm2, furthermore, its disease resistance, lodging resistance and plant agronomic traits were better than others.[Conclusion] The suitable fertilizer rate is 750 kg/hm2 base fertilizer and 300 kg/hm2 top application.
关键词
玉米/底肥/追肥/农艺性状/产量Key words
Maize/Base fertilizer/Top application/Agronomic trait/Yield引用本文复制引用
基金项目
湖北省教育厅科技项目(2014.5.13)
主要粮食作物产业化湖北省协同创新中心(长江大学)()
出版年
2017
国家科技期刊平台
NSTL
维普
万方数据