开展对红壤丘岗区水量平衡的研究，显得非常重要。
It is important to study the water budget in hilly region of red soil.
2003年研究了夏秋干旱季节红壤丘岗区红薯节水高产高效技术措施。
Water-saving, high yield and high efficiency technique for sweet potato in summer and autumn dry season in red soil hilly region is conducted from 2002 to 2003.
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