期刊论文

中文

土壤通报

0564-3945

2010

41

4

788-792

10.19336/j.cnki.trtb.2010.04.005

贵州省科学技术基金项目（黔科合J字（2007）2069） 贵州大学***科研基金项目

本校为其他机构

在长期定位试验条件下, 研究了稻作制, 有机肥用量及地下水位对红壤性水稻土有机磷组分的影响. 结果表明, 不同稻作制间, 土壤有机磷总量以稻-稻-冬绿最高, 稻-稻-冬油次之, 稻-稻-冬泡最低;不同施肥水平之间, 高量有机肥处理的有机磷高于常量有机肥和化肥处理;高地下水位有利于土壤有机磷的累积. 土壤有机磷各形态中, 活性有机磷和中活性有机磷随着年际的变化逐渐增加, 并且冬泡处理的活性有机磷, 中活性有机磷和中稳性有机磷在三种稻作制中最低, 施用高量有机肥有利于活性有机磷和中稳性有机磷的累积.

A long-term located experiment was carried out to study the effect of rice-based cropping system,organic manure and ground water level on organic phosphorus fractions of paddy soil derived from quarternary red clay.Among 3 rice-based cropping systems,total organic phosphorus content in the treatment of rice-rice-green manure were the highest,those in the treatment of rice-rice-rape came the second,those in the treatment of rice-rice flooded fallow in winter were the lowest.Among 3 applications of organic manure,the soil organic phosphorus content in the treatment with high rate of manure were ...