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Arable Farming
Cropping
Muck and Blackgrass
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<blockquote data-quote="Oat" data-source="post: 2491562" data-attributes="member: 1928"><p>It could be quite difficult to guarantee that a field is completely blackgrass free, as it would have to be inspected early June when blackgrass heads are normally above the crop and easy to see, but even after this you could still get some plants remaining below the canopy and it would be difficult to see any plants at harvest as all would look dead. Since there can be so many sources of blackgrass- seed, machinery, muck etc...., it could be very difficult to prove (or where not) any new plants have come from.</p><p></p><p>Maybe if you have a very tight almost closed system which offers control over most sources of new blackgrass seed, and you are able to apply 'potentially' infested muck and then haver sufficient time to use several cultivation/chemical/etc... methods to control any possible germination, then maybe you can reduce the risk. It would probably best not to incorporate the muck for as long as possible, as this would potentially mix seed throughout the profile. Maybe just leave it on the surface to rot down and allow chemicals to act on anything that germinated.</p></blockquote><p></p>
[QUOTE="Oat, post: 2491562, member: 1928"] It could be quite difficult to guarantee that a field is completely blackgrass free, as it would have to be inspected early June when blackgrass heads are normally above the crop and easy to see, but even after this you could still get some plants remaining below the canopy and it would be difficult to see any plants at harvest as all would look dead. Since there can be so many sources of blackgrass- seed, machinery, muck etc...., it could be very difficult to prove (or where not) any new plants have come from. Maybe if you have a very tight almost closed system which offers control over most sources of new blackgrass seed, and you are able to apply 'potentially' infested muck and then haver sufficient time to use several cultivation/chemical/etc... methods to control any possible germination, then maybe you can reduce the risk. It would probably best not to incorporate the muck for as long as possible, as this would potentially mix seed throughout the profile. Maybe just leave it on the surface to rot down and allow chemicals to act on anything that germinated. [/QUOTE]
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Muck and Blackgrass
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