饲草王后--苜蓿.ppt

1、Alfalfa 苜蓿 “The Queen of Forages”饲草王后,Arvid Aasen阿维德.阿森 Forage Agronomist Lacombe Research Centre Lacombe, Alberta Canada加拿大拉考研究中心饲草农学家,Alfalfa:苜蓿Forage Date Beaverlodge Research Station; Research Highlight 1992,YIELD OF SMOOTH BROMEGRASS MIXTURES (DM)无芒雀麦混播产量（干物质）,N.A.Fairey. Effects of nitrogen fe

2、rtilizer, cutting frequency and companion legume on herbage production and quality of grasses. Can.J.Pl.Sc. 71:717-725,Soil Organic Matter Dan Undersander et al,HARVEST MANAGEMENT收获管理,HARVEST MANAGEMENT收获管理,HARVEST MANAGEMENT收获管理,Critical cutting period “yield vs persistence” 关键的切割期“产量对持续”,HARVEST M

3、ANAGEMENT收获管理,Risk of Winterkill 冬季死亡风险,Alfalfa with low winter Hardiness 越冬力不好的苜蓿,Alfalfa with high winter Hardiness 越冬力强的苜蓿,HARVEST MANAGEMENT收获管理,Risk of Winterkill 冬季死亡风险,Alfalfa with high disease Resistance 抗病力强的苜蓿,Alfalfa with low disease Resistance 抗病力不强的苜蓿,HARVEST MANAGEMENT收获管理,Risk of Wint

4、erkill 冬季死亡风险,High soil Potash 土壤中碳酸钾含量高,Low soil Potash 土壤中碳酸钾含量低,HARVEST MANAGEMENT收获管理,Risk of Winterkill 冬季死亡风险,Good soil Drainage 土壤排水性好,Poor soil Drainage 土壤排水性不好,Risk of Winterkill 冬季死亡风险,2 harvest cuts by Sept. 1 收获两季（1步）,4 harvest cuts by Sept 15 收获4季（15步）,HARVEST MANAGEMENT收获管理,Growing sea

5、son,Root carbohydrates,Bud stage,Seed stage,HARVEST MANAGEMENT收获管理,Risk of Winterkill 冬季死亡风险,15 cm Stubble 15 cm茬,7 cm Stubble 7 cm茬,Pasture草场,Abacus Abby Able Absolute Abundance AC Blue J AC Caribou AC Grazeland Br AC Longview AC Nordica AC Viva Accel Advance Affinity +Z Alfagraze AlfaLeaf Algonqui

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9、 Encore Evolution Excalibur Excel Forerunner FQ301 FS 444 FS 450 G-2833 G-2841 G-2852 Gala Garst 636 Geneva GH 777 Gibraltar. GRAZEMASTER Guardsman Heinrichs,WL 252 HQ WL 282 WL 316 WL 333 20-20 120 630 2980 5151. 5246 5262 53Q60 53V08 5312 5347LH 5364 5454,153 Choices 153种选择,Has great potential for a forage crop in China在中国具有作为饲料作物的很大潜力 When used a