条件筛选
-
Guide to Buying Compound Fertilizer: How to Choose High-Quality Compound Fertilizer
How do you choose high-quality compound fertilizer? Please explain the methods. When choosing high-quality compound fertilizer, you can refer to the following methods: 1. Scientifically choose compound fertilizer according to fertilizer properties. At present, a considerable portion of the compound fertilizers sold on the market do not conform to the national DB15063-94 standard. The national standard stipulates that for compound fertilizer (mixed fertilizer)...