No-tillage and surface-tillage agriculture :

No-tillage and surface-tillage agriculture : the tillage revolution / edited by Milton A. Sprague, Glover B. Triplett. - New York : John Wiley & Sons, 1986. - xix, 467 p. ; 24 cm.

Bibliografia : p. 451.

0-471-88410-3

S604 / N68

Con tecnología Koha