Dyfyniad APA

Rojas, L. A. (2006). Non-tillage as an agronomical method in basic grain sustainable production.

Dyfyniad Arddull Chicago

Rojas, Luis A. Non-tillage As an Agronomical Method in Basic Grain Sustainable Production. 2006.

Dyfyniad MLA

Rojas, Luis A. Non-tillage As an Agronomical Method in Basic Grain Sustainable Production. 2006.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.