青海省香日德地区无霜期较短,5月中旬至9月初,一日之内的温度差异又较大,最高的达到22℃,每日上午与夜间常有4—6级的大东南风,下午又有同等风力的西北风沙,春季常发生10级以上的大风(7月还发生一次),气候干燥,雨量少,降雨时间短,七、八月的温度较稳定,是作物的适宜生长时期。试种黄瓜的田是新垦土地,土壤的腐植质不多, Qingxiang Japan and Germany region frost-free period is short, mid-May to early September, the temperature difference within a day and larger, the highest reached 22 ℃, daily morning and night often have 4-6 large southeastern wind, In the afternoon there is an equally windy northwesterly sandstorm. In the spring, gales with winds over 10 (occurring once in July) often occur in dry weather with less rainfall and shorter rainfall periods. The temperature in July and August is relatively stable and is suitable for growing crops . Trying to cultivate the field of cucumbers is a newly reclaimed land, the humus soil is small,