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1 土壤养分状况系统研究法简介土壤养分状况系统研究法包括土壤中 1 1种大、中微量元素的速效含量的测定 ,土壤对 8种主要营养元素的吸附研究 ,盆栽试验和田间试验。其特点是在评价土壤养分状况时 ,考虑了土壤中 1 1种大、中、微量元素的综合平衡和土壤对 8种主要营养元素的吸
1 Soil Nutrient Status Introduction to Systematic Research Method Soil Nutrient Status Systematic research methods include the determination of the available contents of 11 large and medium trace elements in soil, the adsorption studies of 8 major nutrient elements in soil, the pot experiment and the field experiment. Its characteristics are in evaluating the status of soil nutrients, taking into account the soil of 11 kinds of large, medium and trace elements in the balance and the soil of 8 kinds of major nutrient absorption