互助县油菜地地力调查与评价

Investigation and Evaluation of Rapeseed Land Fertility in Huzhu County

为解决我县农民盲目施肥,摸清我县油菜地生产能力、土壤肥料状况、土壤障碍因素,分析耕地退化的原因,指导农民科学施肥、提高农产品质量、改善农产品品质和增加农民收入,互助县利用大量的田间调查、农户调查、土壤和植株样品分析测试和田间试验的观测记载并利用土壤养分丰缺指标充分了解互助县油菜地土壤养分状况,并对地力情况进行科学评价的基础上对油菜每百公斤产量吸收养分的量进行测算,确定我县油菜不同区域的施肥配方及肥料运筹,建议我县油菜田"控氮、稳磷、补钾",同时进行化肥和有机肥配合施用。

In order to solve farmers fertilizer blindly Huzhu County,clear rape production capacity,soil fertilizer condition,soil obstacle factors,analyses the reason of land degration,guiding farmers scientific fertilization,improve the quality of agricultural products,improve the quality of agricultural products and increase farmers＇ income,using a lot of field investigation,peasant household survey,soil and plant samples test and field test of observation records and use full understanding of huzhu county soil nutrient abundant aeficiency index rape soil untrient status,and scientific evaluation of soil fertility on the basis of rapeseed absorption quantity of output per handred kilograms to calaulate determine our county in different areas of the rapeseed formula fertilizer and fertilizer management,suggested that our county rape ＂sccused of nitrogen,phosphorus,potassium supplement＂,fertilizer and organic fertilizer application at the same time.