Its key is that the various content-defined materials are made into a watersolublefertilizer which hasn't any suspended matter and precipitate by the action of chemical reaction.
它的关键所在就是通过反应把规定含量的物质制成无任何悬浮和沉淀物的水溶性液体肥料。
2
The effect of partially acidulated phosphate rock compound fertilizer and the degeneration mechanism of watersoluble phosphate in soil were introduced.
介绍了部分酸化磷矿一步法制复合肥的肥效及水溶磷在土壤中的退化机理。
3
Spraying water-soluble siliceous fertilizer on leaf surface helped to increase yield and output value, to improve appearance quality and intrinsic quality of cured tobacco.