Study on the transformation of applied P and its influence factors in the meadow-cinnamon soil
磷肥在潮褐土中动态转化及其影响因素的研究

Incubation and micro-field plot experiment were carried out to study the transformation and its influence factors of applied P in the meadow-cinnamon soil in Hebei Province.The results indicated that all the other inorganic phosphorus factors were formed except Ca10-P in the initial stage of application,but with the process of time,there is a law of transformation among these factors.Planting crops seriously affected the transformation of applied P.