Abstract Practice shows that a new-type fertilizer which is made out of aluminiferous phosphate rocks is characteristic not only of considerable fertilizer effect but of higher anti-drought ability.

  • 实践证明,用磷铝质岩加工制成的新肥,不仅肥效显著,更有巨大的抗旱能力。

  • 互联网摘选 2025-01-19 23:52:47

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