Control of crop productivity /

por Pearson, C. J., Pearson, C. J.
Publicado 1984

Sustainable dryland cropping in relation to soil productivity

por Pearson, C.J.
Publicado 1995

The ecology of tropical food crops /

por Norman, Michael John Thornley, Norman, Michael John Thornley, Pearson, C. J., Searle, P. G. E.
Publicado 1984

The ecology of tropical food crops /

por Norman, Michael John Thornley
Publicado 1995

The ecology of tropical food crops /

por Norman, M.J.T.
Publicado 1995