79.27%of the total phosphorus (TP). (2) In a year, serious phosphorus loss occurred in June, July and August.
79.27%of the total phosphorus (TP). (2) In a year, serious phosphorus loss occurred in June, July and August.
（2）坡地土壤磷的流失主要发生在6-8月，这段时间磷的流失量分别占全年总流失量的60%以上。