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土壤团聚体与土壤肥力有着密切的关系,增施有机肥料,对改善土壤理化性状,促进团聚体的形成起着积极的作用。因此,我们就江苏淮北砂壤中有机质与团聚体之间的关系进行了研究。样品采自睢宁县王集公社农科站试验场和王营大队后西生产队的小园地。按照有机质含量高低分为两组,第1组有机质含量为1.211—1.514%,平均为1.316%;第Ⅱ组有机质含量为0.480—0.612%,
Soil aggregates and soil fertility are closely related to the application of organic fertilizers to improve soil physical and chemical properties and promote the formation of aggregates play a positive role. Therefore, we studied the relationship between organic matter and aggregates in sand soils of Huaibei, Jiangsu Province. Samples taken from Suining County Wangji commune agricultural station test site and Wang camp brigade west team after the small garden. According to the organic matter content is divided into two groups, the first group of organic matter content of 1.211-1.514%, an average of 1.316%; the second group of organic matter content of 0.480-0.612%