The growth, early bolting, yield of Angelica sinensis and its content and components of essential oils in the high, middle and low mountain of Guan Shan in Long Xian were discussed.
本文对关山高、中、低山当归的生长、早期抽苔、产量和挥发油含量及其主要成分进行了研究。
The initial operation show that the unit is stable in operation, high in middle distillate yield, good in product quality and low in energy consumption.
该装置的初期运行表明，装置运行平稳，中间馏分油收率高，产品质量优良，能耗较低。
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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