ebikolo by'emmwanyi byetaaga omukka gwa nitrogen n'ebirungo bya potassium ne phosphorus mu bungi ebigimusa byetoolooze ekikolo naye tobiteeka ku nduli oba ku matabi oba ku bikoola by'ekikolo nnakavundira naye asobola okuteekebwako okusinziira ku bugimu bw'ettaka kozesa ebigimusa bya urea ebirimu nitrogen ebya npk oba ebirimu potassium