To study phosphorus in orgamt wastes four kinds of ping excrete and two kinds of cattle and chicken excretes were collected for a laboratory study and a greenhouse pot experiment of rice plant on a paddy soil derived from Quaternary red clay. The pots without pho-sphorus fertilizer and with chemical phosphorus fertilizer were taken as controls in the experiment.
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莫淑勋,钱菊芳,钱承梁.猪粪等有机肥料中磷素养分循环再利用的研究[J].土壤学报,1991,28(3):309-316. Mo ShuXun, Qian Jufang, Qian Chengliang. STUDIES ON PHOSPHORUS OF ORGANIC MANURES AND ITS REUTILIZATION[J]. Acta Pedologica Sinica,1991,28(3):309-316.