Consumption of nutrients by sunflower plants depending on methods of fertilizer application

Consumption of nitrogen, phosphorus, and potassium by sunflower varieties Buzuluk, Albatros and hybrids Triumph, Jupiter at different methods of fertilizer (nitro-ammophos, aquarin 5, MiBAS, emistim C, silk) application was studied. The research was conducted on leached chernozem with increased content of accessible nitrogen, movable phosphates, high content of metabolic potassium, and low provision of movable boron, molybdenum, cobalt, copper and sulphur in weather conditions of 2005-2007.