Among them, the article stresses the influence of ecological environment to investigate the variety distribution of wheat and its cultivation measures, and so on.
其中，侧重联系生态环境的影响，考察小麦的品种分布、耕作栽培措施等内容。
2
The construction of expressways has a variety of effects on ecological environment.
高速公路建设对生态环境的影响是多方面的。
3
Some diseases happen in the same ecological area. Prevention of simultaneous resistant wheat variety is the most economic and effective, way, which can reduce environment pollution.