In Huaibei area the unsuitable application of wheat variety, bad climate soil conditions, lower fertility and extensive cultivation were major limiting factors for high wheat yield in large areas.
对近几年淮北小麦生产现状的分析表明，小麦品种使用不当、不良气候、土壤肥力偏低以及栽培粗放是当前淮北小麦大面积生产存在的主要问题。
The method is accurate, simple and convenient, and the discrimination of cold source is favorable to breeding cold type wheat variety with high and stable yield.
通过对小麦冷源的确认，可以充分发挥其在小麦品种选育中的作用，为更快、更多地选育出冷型小麦创造优越条件，以利于小麦高产、稳产。
Through the breeding of the super-high-yield winter wheat variety Liaomai16, the super-high-yield breeding objects and its techniques were expounded.
通过超高产小麦品种聊麦16号的选育，主要阐述了超高产小麦育种目标的制订及技术路线的实施。
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