She could not understand why , stepping out of the window on to the balcony , he smiled under his moustaches and winked so gleefully when a warm , fine rain began to fall on his young oats that were suffering from the drought , or why , when a menacing cloud blew over in mowing or harvest time , he would come in from the barn red , sunburnt , and perspiring , with the smell of wormwood in his hair , and rubbing his hands joyfully would say : come , another day of this and my lot , and the peasants too , will all be in the barn 当他看见温顺的细雨洒在干旱的燕麦苗上时，他从窗口走到阳台上，眨着眼，咧开留着胡髭的嘴唇，她无法明了他怎么会笑得那么开心。在割草或者收庄稼的时候，满天乌云被风吹散，他的脸晒得又红又黑汗水淋淋，身上带着一股苦艾和野菊的气味，从打谷场回来，这时，她不能理解为什么他总是高兴地搓着手说“再有一天，我们的粮食和农民的粮食都可以入仓了” 。
With the assumption of ' orchard peasant is a limited rational economic person " , the author investigates three kinds of peasants , who recently plant longan , who plant longan for one to three years ( being in longan ' s growth period ) and who plant longan for more than four years ( being in the harvest time for longan ) ; at the same time the arthor carries a deep investigation into the management cadres ( of cities , counties or countries ) who give guidance to longan ' s planting and producing . the technical personnel and the fruit processing enterpriser 在“果农是有限理性经济人”的假设下，笔者对新种植龙眼的农户、种植龙眼1 ? 3年(龙眼生长期)的农户以及种植龙眼4年以上(龙眼收获期)的农户进行了调查，同时对地级市、县(市) 、乡镇、村有关指导水果生产的管理干部和技术人员、水果加工企业主进行深入调查。
Radix angelicae dahuricae of different commodity , different producing areas , different harvest time and different processing methods have been detected the chief constituent . the results showed that the content of the volatile oil and ethanol - soluble extractive mostly lied on the factors of producing areas , different harvest time and different processing methods , and so on 考查了不同商品、不同产地、不同采收时间以及不同加工方法等对白芷中有效成分含量的影响。结果表明：白芷醇溶性浸出物的含量、挥发油含量与成分受产地、采收时间、加工方法等因素的影响差异较大。
