... manurial value 肥料价值 manuring system 施肥制度 manuring 施肥 ...
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scientific manuring system 科学施肥制度
scientific c manuring system 科学施肥制度
manuring g system 施肥制度
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With the method of dry ditching, the paper studied the affection of deep ditch manuring measure to the weight, composition and distribution scope of apple root system.
用干挖壕沟法研究了深沟施肥农艺措施对旱作苹果树根系的重量、结构和分布范围等的影响。
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