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。
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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