论文部分内容阅读
沈阳市新城子区尹家公社光荣一队,地势低洼,土壤冷浆,含碱量大.1980年,这个大队用草帘做隔离层育了220床“丰锦”稻苗,水稻产量创造历史最高记录.一、草帘隔离层育苗的优点①通气隔碱,隔凉增温.据4月15～25日观测,10天床内温度比无隔离层的平均每天高1.9℃,地表温度高1.3℃,2厘米深地温高3.3℃,适宜秧苗生长.②秧苗素质好.5月16日调查,草帘隔离层苗比无隔离层苗秧龄大0.5片叶,苗高3.9厘米,茎粗0.5毫米,根系发达,
Yincheng commune, Xinchengzi District, Shenyang City, a group of honored, low-lying, soil slurry, containing large amount of alkali .1980, the brigade made with straw curtain isolation 220 beds, “Feng Jin” rice seedlings, rice production to create history The highest record .One, the advantages of straw curtain isolation nursery ① ventilation, alkali, cool and warming.According to April 15 ~ 25 observation, 10 days bed temperature than the average daily high without insulation 1.9 ℃, high surface temperature 1.3 ℃, 2 cm deep and high temperature 3.3 ℃, suitable for seedling growth. ② good quality seedlings. May 16 survey, straw curtain layer seedling age than the isolation seedling age 0.5 leaves, 3.9 cm high seedlings stem 0.5 Mm, root system developed,