Introduction to sampling and testing methods of mixed fertilizer!
2021-10-20 03:56:22
Mixed fertilizer has many advantages, such as flexible and adjustable nutrient formula, simple production equipment and process, less investment, energy conservation and environmental protection, etc. It has been written into the 11th Five Year Plan of fertilizer industry as a promotion variety. Mixed fertilizer should be strictly in accordance with the relevant products of the country or industry
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