Yazar
w heemskerk
14 cilt bulundu.
W. Heemskerk · KIT Publishers
160 sayfa · 2007
Farmers / Case studies / Economic conditions / Rural development / Social conditions
W. Heemskerk · Royal Tropical Institute (KIT)
149 sayfa · 2008
Agricultural innovations / Agricultural extension work
Mariana Wongtschowski, Belt, John (Advisor in economic development), W. Heemskerk, David Kahan · Agri-ProFocus
182 sayfa · 2013
Agriculture / Agricultural services / Small Farms / Farm management / Farm produce
W. Heemskerk · KIT Publishers
171 sayfa · 2003
National agricultural research systems / Management / Agriculture / Research / On-farm
W. Heemskerk · Instituto Nacional de Investigação Agronómica, Departamento de Agronomia e Sistemas de Produção
83 sayfa · 1989
Agriculture
W. Heemskerk · Royal Tropical Institute (KIT)
119 sayfa · 2004
Agricultural innovations / Agriculture / Agriculture and state / Agriculture, Cooperative / Cooperative Agriculture
W. Heemskerk · Instituto Nacional de Investigação Agronómica, Ministério da Agricultura
53 sayfa · 1993
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