Jacks, G. V.
Mulching / by G.V. Jacks, W.D. Brind and Robert Smith. - Farnham Royal, Bucks : Commonwealth Agricultural Bureaux, 1955. - 87 [12] p. of pl. : ill. - Commonwealth Bureau of Social Science technical communication ; no. 49 .
Mulching.
Mulching / by G.V. Jacks, W.D. Brind and Robert Smith. - Farnham Royal, Bucks : Commonwealth Agricultural Bureaux, 1955. - 87 [12] p. of pl. : ill. - Commonwealth Bureau of Social Science technical communication ; no. 49 .
Mulching.