在您的搜寻 主题建议
在您的搜寻 主题建议
Social aspects
2
Agriculture
1
Agricultura
1
Agricultural ecology
1
Aspectos económicos
1
Bodemerosie
1
Crop yields
1
Duurzame landbouw
1
Economic aspects
1
Exportación e importación
1
Farmers
1
Fruit trade
1
Households
1
Produce trade
1
Social conditions
1
Soil conservation
1
Soil degradation
1
Sustainable agriculture
1
Vegetable trade
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1由 Steenhuijsen Piters, Bart de### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1995[Wageningen : s.n., 1995]iv, 227 p. : ill., maps ; 24 cm.主题: “...Agricultural ecology Cameroon....”
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2由 González Chávez, Humberto, 1951-### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1994[S.l. : s.n.], 1994.361 p. ; 24 cm.主题: “...Agriculture Social aspects Mexico....”
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3由 Mbaga-Semgalawe, Zainab### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1998[Wageningen : s.n., 1998]189 p. : ill. ; 24 cm.主题: “...Sustainable agriculture Social aspects Tanzania....”