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小麦弱苗是影响小麦安全越冬、影响小麦产量品质的重要因素，因此，培养小麦壮苗是打好增产增收基础的关键。据调查：产生小麦弱苗的原因有以下几点：一、土壤干旱造成的弱苗多发生在底墒不足或透气跑墒麦田，共表现为：分蘖出生慢，叶色灰绿心叶短小，生产缓慢或停滞，中下部?
Weak wheat seedling is an important factor that affects the safety of winter wheat and affects the yield and quality of wheat. Therefore, cultivating strong seedlings of wheat is the key to laying a solid foundation for increasing yield and increasing income. According to the survey: There are the following reasons for producing weak wheat seedlings: First, the weak soil caused by drought caused by insufficient soil moisture or moisture at the end of running wheat field, were as follows: Tiller slow birth, leaf color gray green heart short leaves, production Slow or stagnant, in the lower part?