求计算土壤供肥量我现在已经知道1千克土壤中的氮磷钾PH和有机质的含量,要怎么计算1亩地的土壤供肥量?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/15 01:13:12
![求计算土壤供肥量我现在已经知道1千克土壤中的氮磷钾PH和有机质的含量,要怎么计算1亩地的土壤供肥量?](/uploads/image/z/7856494-70-4.jpg?t=%E6%B1%82%E8%AE%A1%E7%AE%97%E5%9C%9F%E5%A3%A4%E4%BE%9B%E8%82%A5%E9%87%8F%E6%88%91%E7%8E%B0%E5%9C%A8%E5%B7%B2%E7%BB%8F%E7%9F%A5%E9%81%931%E5%8D%83%E5%85%8B%E5%9C%9F%E5%A3%A4%E4%B8%AD%E7%9A%84%E6%B0%AE%E7%A3%B7%E9%92%BEPH%E5%92%8C%E6%9C%89%E6%9C%BA%E8%B4%A8%E7%9A%84%E5%90%AB%E9%87%8F%2C%E8%A6%81%E6%80%8E%E4%B9%88%E8%AE%A1%E7%AE%971%E4%BA%A9%E5%9C%B0%E7%9A%84%E5%9C%9F%E5%A3%A4%E4%BE%9B%E8%82%A5%E9%87%8F%3F)
xWKOW+;0H(tѤR
6i`? cyעν3^9n.=ga(ƶŧCuG۩ȕL{M$DdջZ?Ut|Rl$d.&ssQDÎQvYg|to8,czHV^,Sq
eдc8Drj'YI6z;]}ѹۢ^UEt|C
.U'E~n7dҰK(/ ;vSl]T"k5T|f:k[14>ٛUxWejȪ$j1Qm+BTT>oeaK@))%Ђ"ڲ!0ٴڛ| Zo >26Boi2SN.%}ͻMCe=#¯ܿ4X&2UqY1e3ʿWe iWAAg.#<"`"(ow(x h7znzYŰY-q"|U˻2oїz⋼ V=u_^:oVc}AdJ+RkM~l$[Fհ˫hIX8 !+e%k^OKrjM"(W^iyGxͰ