npk compound-fertilizer

基本解释

The results show that HA organic-inorganic compound fertilizer has the clear effect of a slow release compared with the NPK compound fertilizer.
结果表明，HA有机—无机复混肥与普通无机复混肥相比具有明显的缓释效果。
The production technology for high-concentration sulphur-based NPK compound fertilizer is researched and conversion of potassium chloride, slurry and product properties are discussed.
对硫基氮磷钾高浓度复合肥生产工艺进行了研究，介绍了硫酸钾的转化率、料浆性质和产品性能。
The S-NPK is a high concentration ternary phosphate compound fertilizer warmly welcomed by the farmers which is developed in China and features low energy consumption and low production cost.
NPK低氯复合肥是我国自行开发，能耗低、成本低，深受农民欢迎的高浓度三元磷复肥。