现在，巴西正扶持土地管理技术，这可以保护河床，保持植被和土壤中的碳。
It is now supporting land management techniques which protect stream-beds, conserve vegetation and carbon in the soil.
保护地土壤次生盐渍化防治是设施栽培中普遍存在的技术难题。
Prevention and cure are very difficult by agritechnology for soil salinization of sheltered farmland.
就西部岩溶地区公路建设对环境保护中的水、植被和土壤的影响问题进行深入的研究，并提出了一系列防治技术和综合评价技术。
The problems on the water, vegetation and soil of the environment protection are discussed, then a series of protection technology and comprehensive evaluation is put forward.
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