Effects of OsPT6 Gene Overexpression on Nodulation and Nitrogen Fixation of Vegetable Soybean under Low Phosphorus Conditions Phosphorus accumulation characteristics and loss risk in vegetable garden soils of Shanxi Province Studies of phosphorus uptake and accumulation of cold type wheat Effects of chemical regulation and P fertilization on P absorption and utilization in maize/peanut intercropping system Effect of mycorrhizal inoculation on growth and phosphorus accumulation of intercropped maize on purple soil Phosphorus utilization characteristics of forty spring maize hybrids with high-yielding potential in north of China Effect of high phosphate supply on P accumulation characteristics of mining ecotype of Polygonum hydropiper Genotype differences in dry matter accumulation and phosphorus absorption and use efficiency in rice Phosphorus Uptake and Utilization of Maize and Interspecies Interactions in Maize/Soybean and Maize/Sweet Potato Relay Intercropping Systems Effects of nitrogen fertilizer and genotypes on the nitrogen and phosphorus accumulation of winter wheat grain during grain-filling period in a sub-humid farmland eco-system