Villalobos, L., & Sánchez, J. M. (2009). Agronomic and nutritional evaluation of perennial tetraploid ryegrass-based pas-tures (Lolium perenne) in dairy farms in the highlands of Costa Rica. I. Dry matter yield and phenology.
Dyfyniad Arddull ChicagoVillalobos, Luis, y Jorge Ml Sánchez. Agronomic and Nutritional Evaluation of Perennial Tetraploid Ryegrass-based Pas-tures (Lolium Perenne) in Dairy Farms in the Highlands of Costa Rica. I. Dry Matter Yield and Phenology. 2009.
Dyfyniad MLAVillalobos, Luis, y Jorge Ml Sánchez. Agronomic and Nutritional Evaluation of Perennial Tetraploid Ryegrass-based Pas-tures (Lolium Perenne) in Dairy Farms in the Highlands of Costa Rica. I. Dry Matter Yield and Phenology. 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.