Some natural nutrient carriers such as zeolite,sepiolite,medical stone,weathered coal, and some silicabearing cores and so on were tested in order to study their nutrient contents and their characters of the isothermal adsorption and desorption for the added N,P,K.
为更好地开发新型作物控释肥,提供适宜的控释剂和调理剂,以沸石、硅锰肥、硅磷肥、海泡石、麦饭石、风化煤等几种天然养分载体为材料,研究了其本身的养分状况及其对添加氮、磷、钾养分的恒温吸附和解吸性能。