Iqbal, Naveed; Sial, Maqbool H.; Saleem, Adeel - In: Pakistan journal of applied economics : PJAE 31 (2021) 2, pp. 191-208
Agricultural inputs are peculiar in nature as an asymmetry in their roles can be identified during the production process. These inputs can be grouped into a set of growth inputs or a set of facilitating inputs. The inputs affecting biological or physiological growth from the inside of the plant...
