波列斯茨克省早熟玉米品种产量不高。个别植株高仅1.5—1.6米。为了提高玉米的单位面积绿色部份产量,在“别拉露西”集体农莊和本省的“哥尔索诺夫”七年制中学的试验田中,我们曾在播种玉米的同时,也播种饲用南瓜的地方品种。这些地区的土壤是缺少有机质的沙壤土。秋天进行秋翻,早春耙地,随即中耕松土,深达5—6厘米,最 The yield of precocious maize varieties in the province of Poros is low. Individual plants only 1.5-1.6 meters high. In order to increase the yield of green parts per unit of corn, we experimented with sowing corn while we sowed corn in experimental plots of the “Bela Lucy” collective farms and our own “Gorsonov” seven-year high school. Place variety with pumpkin. The soil in these areas is sandy loam that lacks organic matter. Fall autumn turn, early spring rake, then cultivating loose soil, as deep as 5-6 cm, most