A. Onwualu

Development of a soil bin test facility

K. C. Watts, A. Onwualu, 1989 .

Effect of different surfaces and moisture contents on angle of friction of foodgrains

A. Onwualu, S. Obetta, 1999 .

Draught and vertical forces obtained from dynamic soil cutting by plane tillage tools

K. C. Watts, A. Onwualu, A. P Onwualu, 1998 .

Evaluation of alternative tillage systems in the absence of herbicides for maize production in a savannah loamy sand

K. C. Watts, A. P. Onwualu, A. Onwualu, 1991 .

Overview of soil-machine interaction studies in soil bins

A. P. Onwualu, B. B. Uzoejinwa, Ozoemena Anthony Ani, 2018 .

Soil compaction effects on maize production under various tillage methods in a derived Savannah zone of Nigeria

A. Onwualu, U. Anazodo, 1989 .