Farm Survey and Small-Scale Irrigation Project in Gwembe Valley, Zambia
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Situation of small farming families in Zambia and attitude to the irrigation system. Topics: Size of family; number of wives of head of family; number of adult children in the...
赞比亚小型农耕家庭的现状及其对灌溉系统的态度。研究主题：家庭规模；户主的妻子数量；家庭中成年子女的数量……
