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我省气候干燥,春早严重,4—6月份气温急剧上升,风沙时起,蒸发量大,7—9月份有较明显的雨季,降雨量在300毫米上下,占全年降雨量65%左右。因此,在选择果园绿肥时,要紧密结合我省的气候特点以及水利条件、土壤肥瘦、果树大小等因子,来确定适宜的品种。现据我所多年来的试验结合总结群众经验,提出如下品种,供参考。
The climate in our province is dry and the spring is early severe. The temperature in April and June has risen sharply. From the time of sand blown, the evaporation rate is large. There is a clear rainy season in July-September with a rainfall of 300 mm, accounting for about 65% of annual rainfall . Therefore, the choice of orchard green manure, we must closely with the climate characteristics of our province and water conservancy conditions, soil fat, fruit size and other factors to determine the appropriate varieties. According to my experience over the years combined with the experience of the masses, put forward the following varieties for reference.