摘要
Abstract
Through to the Anshan 724 different areas and the different soil use type farming soil sample organic matter, the entire nitrogen, the alkaline hydrolysis nitrogen, the effective phosphorus, the fast-acting potassium and so on 5 item of soil nutrient test and the statistical analysis, according to the appraisal target system, carries on the science reasonable appraisal to Anshan farming soil fertility present situation. The appraisal result indicated that, in Anshan farming soil ulmin, the entire nitrogen whole belongs lacks the level slightly, the alkaline hydrolysis nitrogen and the fast-acting phosphorus belong to the rich level, the fast-acting potassium belongs to the medium level. Should increase in the agricultural production executes organically fat, increases suitably executes the nitrogenous fertilizer, reduces the phosphate fertilizer the employment quantity, the potassium fertilizer may maintain existing applies fertilizer the level.关键词
耕地/土壤肥力/评价Key words
farming land/soil fertility/appraisal分类
农业科技