Feedings of ruminants on fibrous crop residues: Aspect of treatment, feeding, nutrient evaluation, research and extension - Wageningen: Department of Tropical Animal Production Agricultural University, 1993 - vii, 486p. Subjects--Topical Terms: Agriculture Subjects--Index Terms: Farming systems Biological treatments Universal Decimal Class. No.: 636.084:636.2/.3(082.2) / N3