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通过对陕南黄河流域(洛南县)耕地土壤进行全面分析研究,初步掌握了土壤养分现状及变化规律,并提出施肥指导方向。
Through the comprehensive analysis and study of arable land in the Yellow River valley of South Shaanxi (Luonan County), the status and variation of soil nutrients were preliminary mastered, and the direction of fertilization guidance was put forward.