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Arable Farming
Cropping
Pre ploughing and pre emergence spraying
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<blockquote data-quote="Grass And Grain" data-source="post: 7782118" data-attributes="member: 23184"><p>What are the weed species? </p><p></p><p>Broad leaved weeds, I wouldn't bother spraying, just plough.</p><p></p><p>Do tou have a grassweed problem? Is there much brome or blackgrass? If none, just plough. If brome or blackgrass then consider spraying. Correct glyphosate will work in 2 hrs (check with agronomist), so can then plough. </p><p></p><p>If medium loam, and you can fully invert and bury weeds, then great. If it's difficult heavy land which doesn't easily invert and totally bury grass weeds, then more reason to spray.</p><p></p><p>Definately some validity in spraying outside few metres, and also the join between headland and field where it gets ploughed twice, so brings weeds back up to the top.</p><p></p><p>Very few broad leaved weeds survive the plough and intensive cultivation. Some grass weeds will survive the plough.</p><p></p><p>Also depends on your rotation. If exclusively autumn cropping cereals, then you don't want to let grassweed populations get away from you.</p></blockquote><p></p>
[QUOTE="Grass And Grain, post: 7782118, member: 23184"] What are the weed species? Broad leaved weeds, I wouldn't bother spraying, just plough. Do tou have a grassweed problem? Is there much brome or blackgrass? If none, just plough. If brome or blackgrass then consider spraying. Correct glyphosate will work in 2 hrs (check with agronomist), so can then plough. If medium loam, and you can fully invert and bury weeds, then great. If it's difficult heavy land which doesn't easily invert and totally bury grass weeds, then more reason to spray. Definately some validity in spraying outside few metres, and also the join between headland and field where it gets ploughed twice, so brings weeds back up to the top. Very few broad leaved weeds survive the plough and intensive cultivation. Some grass weeds will survive the plough. Also depends on your rotation. If exclusively autumn cropping cereals, then you don't want to let grassweed populations get away from you. [/QUOTE]
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Arable Farming
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Pre ploughing and pre emergence spraying
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