因地制宜地选用良种，搞好接班品种的试验和种子繁育，是实现小麦高产、稳产和持续增产的重要环节。任何一个品种，总是在一定的自然和栽培条件下，通过自然选择和人工选择培育而成。不同的小麦品种，对于环境的需求、适厦等方面的特性，具有一系列生态、生理上的差异，只有当 It is an important link to achieve high yield, stable yield and sustained increase of wheat yield by selecting good varieties according to local conditions and doing a good job of testing and seed breeding succession varieties. Any variety, always under certain natural and cultivated conditions, is cultivated by natural selection and artificial selection. Different varieties of wheat, for the needs of the environment, suitable for building and other aspects of the characteristics of a series of ecological and physiological differences, and only when