... to replace the traditional fertilizer completely, it is no pollution, quick absorption, no smell, pure natural, using easily. So ... for mechanical spreaders Application Rates:Before using BBP NO.1 it is recommended to sterilize the soil with ... fertilizers, apply 300kg/acre or 800kg/hectare of BBP NO.1 Major components:Bamboo charcoal, bamboo ash, bamboo ... skwto.en.alibaba.com Natural fertilizer for corn