Working Document Series Open Access Soil nitrate and nitrite in different soil profiles of Peri-Urban and horticultural farm soils of Gaborone as indicators of nitrogen leaching. T. Mpuisang · T. Mubyana-John · N. Pabalinga · F. Pule-Meulenberg Soil nitrite (NO2-) and nitrate (NO3-) along the soil profile can be used as indicators of nitrogen loss by leaching. Preliminary studies have shown that excess usage of fertiliser is common amongst farmers who were aiming to increase crop… RUF-34098 2014 CC BY 4.0 13 Aug 2015
