These machines are useful for mixing and injecting a wide range of solid fertilizers in addition to gypsum.
这些机器可用于混合并向灌溉系统注入包括石膏在内的许多溶解度低的固体肥料。
The author discussed the method of determining sample number for import solid fertilizers, and proposed the general risks for inspecting import solid fertilizers.
对确定进口固体肥料份样数的方法进行了初步探讨，提出并论述了检验进口固体肥料的一般风险。
Water used for agricultural production and solid waste used as fertilizers shall be in conformity with the standards set by the State.
农业生产用水和用作肥料的固体废物，应当符合国家规定的标准。
Water used for agricultural production and solid waste used as fertilizers shall be in conformity with the standards set by the State.
农业生产用水和用作肥料的固体废物，应当符合国家规定的标准。
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