大寨海绵土

• 作 者: 蒋玉衡
• 出 处: 新农业
• 发表日期: 1973年05期
• 关键词: 大寨 绵土 毛主席革命路线 团粒结构 水稳性 高产稳产 土壤有机质 质地 保肥 土壤蒸发量

海绵土是大寨贫下中农在毛主席革命路线指引下,经过二十几年的艰苦奋斗,精心培育出来的一种高肥力土壤。海绵土的主要特点是:活土层厚,质地酥软,保水保肥,通气透水,生长的庄稼能高产稳产。大寨海绵土土层厚1尺左右,土壤有机质和含氮量较高,比邻近队多47%左右,0.25～5毫米水稳性团粒结构占46.5%。

Sponge soil is a kind of high-fertility soil carefully cultivated by the poor peasants in Dazhai under the guidance of Chairman Mao’s revolutionary line and after twenty years of hard work. The main features of sponge soil are: live soil thick, soft texture, water and fertilizer, ventilation, growth of crops can be high and stable yield. The soil of Dazhai sponge is about 1 foot thick, with a higher content of organic matter and nitrogen in the soil, about 47% more than the adjacent teams, and 46.5% of the water-stable aggregates of 0.25-5 mm.