论文部分内容阅读
勐遮的南部中等海拔区旱、瘦低产田,主要具有“旱”、“瘦”、“砂”三个特点,在这类土地上冬种苕子,有着下列三个方面的矛盾:
There are three characteristics of “drought”, “leanness” and “sand” in Mengzhong’s dry and low yield fields in the middle-altitude area of southern China. There are three contradictions in the following three aspects: