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1958年,黑龙江省嫩江专区萨尔图试验站种植的7.5亩马铃薯,自5月6日播种后降雨量较少(5、6月共降雨47.9毫米),至7月仍然久不下雨,旱灾严重地威胁着块茎形成和增长。他们在没有灌溉设施的情况下,7月10日用车拉水,实行人工浇灌后,即用陈麦秆复盖垅沟,厚度约5厘米左右,铺的厚薄要均匀。盖草的材料:麦秆、稻草或青割的杂草都可用,但不要把
In 1958, 7.5 mu of potato planted at the Sa’ertu Experimental Station of Nenjiang Special Zone in Heilongjiang Province received a small amount of rainfall after sowing on May 6 (a total rainfall of 47.9 millimeters in May and June), and it still lasted no rain and drought in July Threatening tuber formation and growth. In the absence of irrigation facilities, they pulled the water on July 10 and carried out artificial watering. That is, they covered the ditch with Chen straw, and the thickness was about 5 centimeters. The thickness of the shop should be uniform. Cover grass material: straw, straw or green cut weeds are available, but do not put