人工草地牧草人工草地牧草.pdf

Tame Forage Species Tame Forage Species 人工草地牧草 人工草地牧草 Kevin Yaworski Kevin Yaworski Forage Agronomist Forage Agronomist What are tame forage species? What are tame forage species? 什么是人工草地牧草种？ 什么是人工草地牧草种？ • Are species which have been improved • 这些种通过选择改进 by selection and for 以及种子可利用吗？ which seed is available • Are often not native to • 通常不用本地种种植吗 the country in which ？ they are planted • 可能是多年生还是一年 • May be perennials or 生的？ annuals Legume Species Legume Species 豆科植物种 豆科植物种 High forage quality • 牧草质量高 Fix N in symbiosis with • 依靠细菌共生固氮 bacteria • 具有深的主根 May have deep taproot • 有些种具有根茎或匍 Some species spread by 匐枝 rhizomes or stolons Legume Species: Alfalfa (Medicago spp.) Legume Species: Alfalfa (Medicago spp.) 豆科牧草：苜蓿 豆科牧草：苜蓿 • 世界最重要的牧草 World’s most important forage • 高产，广泛的适应性 High yielding, widely adapted • 非常抗旱 Very drought tolerant M. falcata more tolerant to grazing • 黄花苜蓿更耐牧 Can cause bloat in grazing animals • 引起放牧家畜的鼓胀 病 Alfalfa苜蓿(Queen of the Forages牧草皇后) Alfalfa苜蓿(Queen of the Forages牧草皇后) • Types类型: Flemish,Variegated, Creeping rooted 弗莱德、杂色的、串（葡萄）根 • deep tap rooted perennial • 多年生深主根 • most productive of all forages • 所有牧草中产量最高的 • adapt