Paulimi, kugwiritsa ntchito feteleza ndikofunikira kuti mbewu zikule bwino komanso zokolola.Feteleza imodzi yomwe yafala kwambiri ndi urea.Chofunikira chachikulu ichi chimapangidwa ndi opanga urea, omwe amathandizira gawo la feteleza wa urea.Ku Tianjin Prosperity Trading Co., Ltd., timatenga ...
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