作者: R. Waite , Margaret J. Johnston , D. G. Armstrong
DOI: 10.1017/S0021859600042490
关键词: Maturity (geology) 、 Agronomy 、 Chemical composition 、 Biology 、 Hay
摘要: 1. Three species of grass, rye-grass (two varieties, S 23 and 24) cocksfoot (variety 37) timothy 48) were cut at various stages maturity, dried given several planes nutrition to sheep in respiration chambers. The detailed chemical composition the grasses apparent digestibility constituents studied.