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 rotations for central and eastern Canada

by O.C. White.

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