Out-scaling 4R Nutrient Stewardship Knowledge to Support Crop Production Intensification in Ethiopia

Shamie Zingore, International Plant Nutrition Institute (IPNI)
Phone: 254 20 8632720
Fax: 254 20 8632029
Email:
c/o ICIPE Duduville Campus, Kasarani
PO Box 30772-00100
Nairobi Kenya

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