Agronomy / Soil Fertility: Identify the soil nutrient constraintsImprove the efficiency of fertilizer applicationsImprove recommendations
Long-term NPK trials
Multi-location trials with different varieties
K deficiency in Kampong Cham, Cambodia P deficiency in XiengKhouang, Laos
Effect of applications of various levels of N, P and K fertilizers on the root yields of two cassava varieties 1) N0 = 0N P0 = 0P K0 = 0K N1 = 25 kg N/ha P1 = 50 kg P2O5/ha K1 = 50 kg K2O/ha N2 = 50 kg N/ha P2 = 100 kg P2O5/ha K2 = 100 kg K2O/ha N3 = 100 kg N/ha P3 = 200 kg P2O5/ha K3 = 200 kg K2O/ha all plots received 500 kg/ha of dolomitic lime in June 2005.
Linking Farmers to Markets in Asia SDC-funded SADU Project: Review just completed Agro-Enterprise Development Process: Area Based Approach Product selection Market chain studies Action plan / interventions Area based and Smallholder focus => Risk of being seen as supply driven