The interactive response for tiller m-2 of wheat in response to tillage system (ST: Shallow; CT: Conventional; DT: Deep tillage) and nitrogen treatments (N0: Control; N1: 100% N from Urea; N2: 100% N from FYM; N3: 100% N from PM; N4: 50% N from Urea + 50% N from FYM; N5: 50% N from Urea + 50% N from PM; N6: 50% N from FYM + 50% N from PM; N7: 33.33% from each). Vertical bars are standard error of means.