The growth and grain yield of summer maize in three kinds tillage management of no tillage, moldboard plowing and sub-soiling under two conditions of stubble mulch and no mulch have been conducted.
对小麦机械收获后残茬覆盖与不覆盖两种条件下免耕、翻耕和间隔深松三种土壤耕作方式夏玉米的营养生长及籽粒产量进行了研究。
Found that he is indeed a three-day fishing nets drying for two days, what do not adhere to, there is no patience, no perseverance.
发现自己真的是三天打鱼两天晒网，什么事都坚持不了，没有耐性，没有毅力。
Found that he is indeed a three-day fishing nets drying for two days, what do not adhere to, there is no patience, no perseverance.
发现自己真的是三天打鱼两天晒网，什么事都坚持不了，没有耐性，没有毅力。
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