人家低,單位化肥農藥用量又翻倍地高於人家,說明什麽?光靠一兩個種子是搞不定的吧?而且這與地形關係也不大吧?講機械化已經out了,要智能化,用化肥農藥要像外科手術一樣的精準。
人家低,單位化肥農藥用量又翻倍地高於人家,說明什麽?光靠一兩個種子是搞不定的吧?而且這與地形關係也不大吧?講機械化已經out了,要智能化,用化肥農藥要像外科手術一樣的精準。
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