Improving the productivity of high pH soils through the use of suitable N sources and rates in Koraro Millennium Villages, Ethiopia
DESCRIPTION: Koraro Millennium Village is located in the Tigray region of Ethiopia, which is dominated by alkaline to very alkaline soils (an estimated 92% of tested soil samples have pH values ranging from 7 to 9.34). High soil pH can induce nitrogen volatilization from applied urea, therefore reducing fertilizer use efficiency. Researchers seek a different type of fertilizer that might be more suitable for the area to address the challenges with crop production and food security.
OUTCOMES: 2011- 2012: This study determines which fertilizer is the better to use in the Koraro Village fields, comparing Ethiopia’s most commonly used nitrogen fertilizer to an uncommon fertilizer ammonium sulfate. Other outcomes of this project identify the rate of fertilizer application and assess the nutrient use efficiency and agronomic efficiency.