河西绿洲灌区玉米制种田耕层土壤养分分析

Analysis of Soil Nutrient of Corn Seed Product Field in Hexi Oasis Irrigation Area

采用各种方法对河西绿洲灌区玉米制种田耕层土壤肥力状况进行了测定分析,结果表明:该区土壤有机质含量为4.42~17.83 g/kg,均值为9.88 g/kg,有机质缺乏;碱解氮含量为9.51~62.85 mg/kg,均值为35.27mg/kg,碱解氮缺乏;有效磷含量较高,均值为46.27 mg/kg;速效钾含量为73.27~267.88 mg/kg,均值159.59mg/kg,部分田块已表现出亏缺趋势;p H值为8.14~8.53之间,均值8.33,土壤为碱性。

Adopt various methods to measure and analyze the soil fertility conditions of corn seed product field in Hexi oasis irrigation area. The results showed that： the soil organic matter contents range from 4.42% g/kg to 17.83g/kg, the average content is9.88g/kg, which means the soil is lack of organic matter;The nitrogen content ranges from 9.51% mg/kg to 62.85mg/kg, the average is 35.27mg/kg, which means the soil is lack of nitrogen;The contents of available potassium ranges from 73.2 mg/kg to 267.88 mg/kg,the average is 159.59 mg/kg,which means the some soil is tending to be lack of potassium;The p H ranges from 8.14 to 8.53.