玉米杂交种沈玉21号在甘肃省张掖地区的高产制种技术
High-yielding Seed Production Techniques of Maize Hybrid Shenyu21 in Zhangye Area of Gansu Province
高玉林1
作者信息
- 1. 沈阳市农业科学院,辽宁沈阳110034
- 折叠
摘要
甘肃地区已成为玉米杂交种制种新的基地。该文介绍了沈玉21号在甘肃省张掖地区高产制种技术。宜选择海拔1 600 m以下平坦地块,细致整地,科学施肥,地膜覆盖,增温保湿,提早播种,延长生长期,确定适宜播期、行比和密度,保证花期相遇,充分授粉,适时割除父本植株。
Abstract
Gansu area has become the new base of hybrid maize seed.The High yield cultivation techniques of Shenyu21 was introduced in this article.We should chose the flat land of 1 600 meteres above sea level,fertilizer scientifically with plastic film,raise the temperature and keep moisture,sow the seed ahead of time,define the optimum row-ratio and density and choose the best flowering period.
关键词
玉米制种/沈玉21号/张掖地区Key words
Maize seeding/Shenyu21/Zhangye area引用本文复制引用
出版年
2011
NETL
NSTL
维普
万方数据