摘要
通过培养与盆栽试验，研究了有机肥料对土壤有机磷组分及其生物有效性的影响。结果表明，猪粪和紫云英中有机磷的有效性比稻草高；施用有机肥料能显著提高土壤中４种有机磷组分含量，其中活性和中等活性有机磷与土壤速效磷、小麦吸磷量及籽粒重均呈显著正相关，表明二者是小麦最有效的有机磷源。
Incubation and pot experiments were carried out to study the effects of organic manures on soil organic phosphorus fractions and their bio-availability. The results showed that: (1) Organic P in pig manure and milk vetch was more available than that in rice straw. (2) Organic manures increased labile, moderately labile, moderately stable and stable organic P contents in soil. Positive correlations were found between labile organic P, moderately labile organic P, available P and P taken up by wheat, indicating that labile, moderately labile organic P were more available.
出处
《南京农业大学学报》
CAS
CSCD
北大核心
1998年第3期59-63,共5页
Journal of Nanjing Agricultural University
基金
国家自然科学基金
关键词
潮土
土壤
有机肥料
有机磷组分
生物有效性
calcareous alluvial soil
organic manure
organic phosphorus fraction
bio availability
