意大利和韦斯特沃兹(以下简称韦斯)黑麦草是加拿大大西洋省有生产力的一年生夏季饲草种。为了更好生长和获得高额的粗蛋白,在生长季节需要施用几次氮肥。豆科牧草—黑麦草的混播,既可以使它们所需要的氮大部分获得自给,也可以减少黑麦草生产成本。 Italy and Westerwort (hereinafter referred to as Weiss) Ryegrass is a productive annual forage species of Canada’s Atlantic Province. In order to better grow and obtain high crude protein, nitrogen fertilizer needs to be applied several times during the growing season. Leguminous pasture - mixed rye grass, either to make most of the nitrogen they need to obtain self-sufficiency, but also can reduce the production cost of rye grass.