On-Station Trials on Nitrogen, Potassium, and Zinc Fertilization of Wheat in Afghanistan, 2018-19
On-station trials on nitrogen, potassium, and zinc fertilization of wheat in four provinces of Afghanistan (Baghlan, Herat, Kabul, and Nangarhar) during the 2018-19 season. One of a set of 20+ trials implemented annually during 2018/19, 2019/20, and 2020/21 under the USAID-funded Grain Research and Innovation (GRAIN) …