Abstract
It is of great significance to study the effect of different planting patterns on the maintenance of soil nutrients in slope farmland. Compared with planting soybeans, the available phosphorus content of the 2° and 5° test fields increased by 17.89% and 21.02%, respectively, and the 3° test field decreased by 7.87%. In the experimental field for planting soybeans, the average effective potassium content decreased with the increase of slope, and the content of 0-10cm soil layer was higher than that of 10-20cm soil layer. Different planting patterns led to differences in the distribution of available phosphorus and available potassium, but the content of 0-10cm soil layer was higher than that of 10-20cm soil layer.
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