Assolement

Crop rotation and productivity

[by] P. O. Ripley.

Avantages de la rotation des cultures en agriculture de conservation sur les terres non-irriguées

R.P. Zentner ... [et al.].

Les assolements et la culture du sol dans l'est du Canada

E.S. Hopkins, P.D.[sic] Ripley et W. Dickson

Benefits of crop rotation for sustainable agriculture in dryland farming

R. P. Zentner ... [et al.]

Crop rotations and soil management for the prairie provinces

by E.S. Hopkins and S. Barnes

Crop rotation studies on the Canadian prairies

C.A. Campbell ... [et al.].

Systèmes agraires et progrès agricole: l'assolement triennal en Russie aux XVIII-XIXe siècles : étude d'économie et de sociologie rurales

Michael Confino ; préface de Roger Portal.

The importance of rotations in tobacco culture

by O. Chevalier

Crop rotation and soil cultivation: a paper read by J.H. Grisdale ..., before the Standing Committee of the Senate on Agriculture and Forestry, 1911.

J. H. Grisdale

Crop rotations for central and eastern Canada

by O.C. White.