固原市原州区土壤养分含量及马铃薯种植适宜性研究

对固原市原州区马铃薯种植合理施肥进行研究。利用土壤养分常规分析法测定固原市原州区耕层土壤养分含量,结合马铃薯生长需肥规律和目标产量配方施肥方法。结果表明:土壤有机质平均含量为14.44 g/kg,全氮0.998 g/kg,碱解氮68.83 mg/kg,有效磷5.82mg/kg,速效钾151.98 mg/kg,有效锌0.768 mg/kg,有效铜0.989 mg/kg,有效铁5.017 mg/kg,有效硫11.719 mg/kg,有效锰11.601 mg/kg,全磷0.759 g/kg,全钾0.593 g/kg。基于土壤养分现状提出了马铃薯种植适宜施肥方案。

Study on Soil Nutrient Content and Potato Planting Suitability in Yuanzhou District of Guyuan City

To study potato painting fertilization in Yuanzhou District of Guyuan City,the paper used the conventional analytical method for the measurement of soil nutrients and measured soil nutrient content,combined with potato growth rule of the fertilizer requirement and target yield fertilization methods.The results showed that the average content of soil organic matter was 14.44 g/kg,total nitrogen content was 0.998 g/kg,alkali hydrolysable nitrogen content was 68.83 mg/kg,effective phosphorus content was 5.82 mg/kg,available potassium content was 151.98 mg/kg,effective zinc content was 0.768 mg/kg,effective copper content was 0.989 mg/kg,effective iron content was 5.017 mg/kg,effective sulfur content was 11.719 mg/kg,effective manganese content was 11.601 mg/kg,total phosphorus content was 0.759 g/kg,total potassium content was 0.593 g/kg.Based on the present situation of the soil nutrient of potato planting suitable,fertilization scheme was proposed