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通过测土配方施肥田间试验,确定合理施肥量及百公斤吸收量、土壤养分校正系数等相应参数,实现科学施肥,指导生产。
Soil testing and fertilization through field test to determine the appropriate amount of fertilizer and 100 kg absorption, soil nutrient correction coefficient and other appropriate parameters to achieve scientific fertilization and guide the production.