The invention relates to a slow-release type nitrogen-phosphorus-potassium composite fertilizer and a production method thereof, belonging to a composite fertilizer with slow-release type nutrient.
本发明是一种缓慢释放型氮磷钾复合肥料及其生产方法。属于营养成分缓 慢释放的混合肥料。
2
Slowreleasenitrogen fertilizers are discussed and evaluated in view of agrochemical considerations: (1) the agrochemical features and the efficiency of slowreleasefertilizer;