无公害玉米的生产越来越受到人们重视，从品种选择、整地施肥、播种和田间管理各个方面，对玉米的无公害标准化生产技术进行了初步探讨。

The planting situation before and after popularization of standard production was analysed, organization, implementing and technique on standard production of ramie were introduced in this paper.

youdao

无公害玉米的生产越来越受到人们重视，从品种选择、整地施肥、播种和田间管理各个方面，对玉米的无公害标准化生产技术进行了初步探讨。

The planting situation before and after popularization of standard production was analysed, organization, implementing and technique on standard production of ramie were introduced in this paper.

youdao