CSS302-Lecture10 - Weed Management I.Approaches(strategies...

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Weed Management  I. Approaches (strategies) A . Prevention B . Eradication C . Control II. Methods of Weed Management A . Cultural B . Mechanical C . Biological D . Chemical
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Weed Management Prevention (least expensive) – Management practices to discourage the introduction or  expansion of weeds » Prevent seed production ______________ ______________ » Prevent seed introduction Tillage and harvesting equipment Crop seed  – Seed Certification Standards, Company Standards – Michigan Seed Law   (Prohibited Noxious, Restricted Noxious) Livestock feed
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Livestock Manure Study: New York, 1991 20 Farms – 13 grasses – 35 broadleaves
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Livestock Manure Study, New York, 1991 Rumen Digestion Common Weed Seeds Found Common name Scientific Name Average Number of Seeds per Ton of Manure Common Lambsquarters Chenopodium album 42,000 Redroot Pigweed Amaranthus retroflexus 23,900 Dandelion Taraxacum officinale 7,200 Wild Mustard Brassica kaber 4,700 Yellow Foxtail Setaria glauca 4,500 Curly Dock Rumex crispus 4,400 Common Chickweed Stellaria media 3,500 Prostrate Knotweed Polygonum aviculare 2,700 Witchgrass Panicum capillare 2,100
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New York, 1991 20 Farms – 13 grasses – 35 broadleaves Conclusions:
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This note was uploaded on 10/28/2010 for the course CSS CSS302 taught by Professor Jimkells during the Fall '08 term at Michigan State University.

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CSS302-Lecture10 - Weed Management I.Approaches(strategies...

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