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By all these means the fertility of the soil can be brought under man's control. He can by sufficient labour make almost any land bear large crops. He can prepare the soil mechanically and chemically for whatever crops he intends to grow next 去书内
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  • 李景豪 李景豪

    通过所有这些手段，土壤的肥力可以置于人类的控制之下。只要有足够的劳动力，他几乎可以使任何土地都长出大丰收。他可以用机械和化学方法使土壤为他打算种植的任何作物做好准备

    2024-06-30 喜欢(0) 回复(0)

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