搜索筛选:
搜索耗时3.5858秒,为你在为你在102,285,761篇论文里面共找到 2 篇相符的论文内容
类      型:
[期刊论文] 作者:M Subedi,T J Hocking,M A Fullen,A R McCrea,E Milne,D J Mitchell,, 来源:Agricultural Sciences in China 年份:2009
Problems associated with land degradation are serious in China. Sloping land in South China has experienced a decline in crop productivity by 30-60% due to soil...
[期刊论文] 作者:M Subedi,T J Hocking,M A Fullen,A R McCrea,E Milne,D J Mitchell,, 来源:Agricultural Sciences in China 年份:2009
Significant achievements have been made in generating sustainable agricultural technologies in developing countries. Usually, these new technologies have been m...
相关搜索: