21 词条主页 > 词条 > 拉丁美洲西班牙语 (XL) > agricultura de contorno
agricultura de contorno
Field operations such as plowing, planting, cultivating, and harvesting on the contour, or at right angles to the natural slope, to reduce soil erosion, protect soil fertility, and use water more efficiently.
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La Gran Muralla China es una serie de fortificaciones de piedra y tierra en el norte de China, construida para proteger la frontera norte del imperio ...
