The soil phosphorus forms under different vegetation types near timberline during non-growing season The distribution of phosphorus forms and bioavailability in sediments from Huang Dong Hai continental shelf EFFECT OF BENTONITE AND PHOSPHORUS FERTILIZER ON INORGANIC PHOSPHORUS TRANSFORMATION AND THEIR AVAILABILITIES IN CALCAREOUS SOIL Relationship between soil organic phosphorus forms in larch plantations and tree growth P fertilization effects on the accumulation, transformation and availability of soil phosphorus Distribution of different phosphorus forms in sediments of Eastern Rushan Bay Response of P Absorption-allocation Rate and Root Morphology of Peanut to P Foliar Fertilizers With Different Acidities