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腐植酸氮磷钾复合肥,是近年国内兴起的新型中浓度缓释长效有机复合肥料。这种肥料除含有普通常用化肥营养元素外,还含有腐殖酸及其它微量元素。本试验的目的是研究腐殖酸氮磷钾复合肥对甜菜产量、含糖及产糖量的影响。１材料与方法１．１供试材料试验所用甜菜品种为甘糖１号;腐
Humic acid nitrogen, phosphorus, potassium compound fertilizer, is a new type of medium concentration slow release long-acting organic compound fertilizer rising in recent years in China. In addition to this fertilizer contains common nutrients commonly used fertilizers, but also contains humic acid and other trace elements. The purpose of this experiment is to study the effects of NPK fertilizer on sugar beet yield, sugar content and sugar yield. 1 Materials and methods 1.1 The test materials used in sugar beet varieties tested; rot