山东省不同区域花生基肥和追肥用量及比例分析

为研究山东省花生施肥过程中主要养分的基追肥用量及比例现状,依据农户调查数据详细分析了不同区域花生氮磷钾基肥和追肥用量及比例,指出其中存在的问题.并针对山东省基追肥现状,提出对于氮肥应采用降低基肥用量,适当提高追肥比例的氮肥后移施肥方式或采用缓/控释肥料;对于磷钾肥应采用复混肥品种,加大基肥比例的施肥方法.

Analysis about Amount and Ratio of Basal Fertilizer and Top-dressing Fertilizer on Peanut in Different Region of Shangdong Province

An investigation was conducted to research the amount and ratio of base and top-dressing of nitrogen, phosphorus and potassium fertilizer on Peanut in different region of Shangdong province, and the problems in peanut fertilization were detailedly analysed. Aiming at the actuality of base and top-dressing fertilizer on peanut in Shandong province, some conclusions were put forward in this paper. As far as concerned nitrogen fertilizer, it was proper to reduce amount of basal fertilizer and to increase amount of top-dressing fertilizer, or to apply controlled/slow-release nitrogen fertilizers. For phosphorus fertilizer and potassium fertilizer, the compound fertilizer varieties and largest basal fertilizer proportion should be carried out on peanut fertilization in Shandong province.