High yield orchard soil nutrient storage buffer cumulant is big, middle garden soil accumulation quantity is small, low yield orchard is not obvious.
高产园土壤营养缓冲库累积量大，中产园土壤累积量小，低产园不明显。
High yield orchard soil nutrient storage buffer cumulant is big, middle garden soil accumulation quantity is small, low yield orchard is not obvious.
高产园土壤营养缓冲库累积量大，中产园土壤累积量小，低产园不明显。
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