生荒
shēng huāng
- virgin soil;uncultivated land
生荒 生荒
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[virgin soil] 未开垦的土地。也叫生地
生荒[shēng huāng]
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盐碱生荒地滴灌覆膜甜菜肥水效应的研究
Study on Effects of Water and Fertilizer on Covering Film Sugarbeet in Salinization Wasteland Trickle Irrigation
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保护地黄瓜水、肥一体化高效栽培技术盐碱生荒地滴灌覆膜甜菜肥水效应的研究
High-effective Culture Technique of Unopen Cucumber with Trickle Irrigation of Moisture and Fertilizer Integrated Study on Effects of Water and Fertilizer on Covering Film Sugarbeet in Salinization Wasteland Trickle Irrigation
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以生荒土土壤有机质含量3.40g/kg为起点，将不同轮作方式、产量水平、有机质归还方式组成不同的管理模式，模拟土壤有机质的动态变化。
With 3.40 g / kg of organic matter content on immature soil as initial value , the dynamics of soil organic matter were simulated under different management models with different crop rotations , yield levels and residue returning models .