Pynciau a Argymhellir O fewn eich chwiliad
Pynciau a Argymhellir O fewn eich chwiliad
- Agricultural systems
- Sustainable agriculture 14
- Agricultural ecology 6
- Agriculture 6
- Agricultural intensification 2
- Agrobiodiversity 2
- Alternative agriculture 2
- Biological control 2
- Cassava 2
- Ecology 2
- Environmental aspects 2
- Factory farms 2
- Food crops 2
- Food supply 2
- Human geography 2
- Land use, Rural 2
- Mathematical models 2
- Migration, Internal 2
- Nutrition policy 2
- Poverty 2
- Research 2
- Social aspects 2
- Sustainability 2
- Tillage 2
- Weeds 2
- Women and the environment 2
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2
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5
Ecological management of agricultural weeds
Cyhoeddwyd 2001An electronic book accessible through the World Wide Web; click to view
Electronig eLyfr -
6
Alternative agriculture
Cyhoeddwyd 1989An electronic book accessible through the World Wide Web; click to view
Electronig eLyfr -
7
Sustainable agriculture and the environment in the humid tropics
Cyhoeddwyd 1993An electronic book accessible through the World Wide Web; click to view
Electronig eLyfr -
8
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9
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10
Modeling crop production systems principles and application /
Cyhoeddwyd 2008An electronic book accessible through the World Wide Web; click to view
Electronig eLyfr -
11
Toward sustainable agricultural systems in the 21st century
Cyhoeddwyd 2010An electronic book accessible through the World Wide Web; click to view
Electronig eLyfr -
12
Food and agriculture in Ethiopia progress and policy challenges /
Cyhoeddwyd 2012An electronic book accessible through the World Wide Web; click to view
Electronig eLyfr -
13
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14
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15
Toward sustainable agricultural systems in the 21st century
Cyhoeddwyd 2010An electronic book accessible through the World Wide Web; click to view
Electronig eLyfr -
16
Food and agriculture in Ethiopia progress and policy challenges /
Cyhoeddwyd 2012An electronic book accessible through the World Wide Web; click to view
Electronig eLyfr -
17
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18
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19
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20