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采用全球卫星定位系统(GPS)和地理信息系统(GIS)技术,对黑龙江省依安县农田土壤速效养分进行了空间变异特征研究。结果表明:黑龙江省西部依安县土壤中氮、磷、钾的含量比较丰富,土壤缺硫和锌。土壤中硫、磷、硼、锰的空间分布具有明显的变异性。土壤中硫空间分布的偏斜程度较大。pH与有机质、有效锰、有效硼和有效锌都极显著相关;有机质与有效锰极显著相关。
Using global positioning system (GPS) and geographic information system (GIS) techniques, the spatial variability of soil available nutrients in farmland in Yi’an County of Heilongjiang Province was studied. The results showed that the contents of nitrogen, phosphorus and potassium in the soil of Yi’an County in western Heilongjiang Province were relatively abundant, and the soil was deficient in sulfur and zinc. The spatial distribution of sulfur, phosphorus, boron and manganese in soil has obvious variability. Sulfur spatial distribution in soil is more skewed. pH and organic matter, available manganese, available boron and available zinc are extremely significant correlation; organic matter and effective manganese extremely significant.