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通过玉米在灰漠土上土壤养分含量和需肥规律,进行科学配方施肥试验示范,研究出灰漠土上氮、磷、钾配方施肥效应,以拟定更科学合理的配方施肥,为大田玉米生产施肥提供依据。结果表明,测土配方施肥比习惯施肥增产增收效果明显,平均增产43.9 kg/666.7m~2,增收156.39元/666.7m~2。
Based on the soil nutrient content and fertilizer requirement of corn on gray desert soil, the experiment of scientific formula fertilization experiment was conducted to study the effects of nitrogen, phosphorus and potassium fertilization on gray desert soil to formulate a more scientific and rational formula fertilization for field corn production Fertilization provide the basis. The results showed that compared with the conventional fertilization, soil testing and fertilizer application showed a significant effect of increasing yield and increasing income, with an average increase of 43.9 kg / 666.7 m ~ 2 and an increase of 156.39 yuan / 666.7 m ~ 2.