The United States is a land rich in mineral resources and fertile farm soil, together with a moderate climate.
美国具有丰富的矿产资源和肥沃的农田,气候温和适中。
Land resources are dwindling because of water loss and soil erosion.
因为水资源的浪费和土壤被侵蚀,土地资源逐渐缩小。
Because of limited suitable and with lower productivity level, the excessive acidic soil is used to serve as the land resources that agriculture produce unwillingly.
对于强酸性土壤而言,由于其有限的适宜范围和较低的生产力水平,一向被认为是不宜用于农业生产的土地资源。
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