草原土壤养分含量与气象因子相互关系的研究。
Study on the Interrelationship among Nutrient Content of the Steppe Soil and Meteorological Factors.
果园之间各种土壤养分含量的变异系数均在10%以上。
All variation coefficients of nutrient contents in soil were over 10%.
不同草地类型土壤养分含量的变化是随着土层加深而降低。
The soil nutrient in different rangeland stapes was gradually decreased with soil depth.
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