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Rheoliadau Adnoddau Dŵr (Rheoli Llygredd Amaethyddol) (Cymru) 2021
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Newidiadau i ddeddfwriaeth:
Ar hyn o bryd nid oes unrhyw effeithiau heb eu gweithredu yn hysbys ar gyfer y Rheoliadau Adnoddau Dŵr (Rheoli Llygredd Amaethyddol) (Cymru) 2021, Paragraff 9.
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Efallai na fydd deddfwriaeth ddiwygiedig sydd ar y safle hwn yn gwbl gyfoes. Ar hyn o bryd mae unrhyw newidiadau neu effeithiau hysbys a wnaed gan ddeddfwriaeth ddilynol wedi'u gwneud i destun y ddeddfwriaeth yr ydych yn edrych arni gan y tîm golygyddol. Gweler 'Cwestiynau Cyffredin' am fanylion ynglŷn â'r amserlenni ar gyfer nodi a chofnodi effeithiau newydd ar y safle hwn.
[F1Terfynau ffosffad uchaf fesul cnwdLL+C
9.—(1) Yn ddarostyngedig i is-baragraff (2), ni chaiff cyfanswm y ffosffad a daenir ar unrhyw gnwd a restrir yng ngholofn gyntaf unrhyw un o’r tablau isod fod yn fwy na’r ffigur o dan y rhif mynegai ffosfforws pridd cymwys yn yr un tabl.
Tabl 2 - Uchafsymiau ffosffad ar gyfer porfa
| Mynegai ffosfforws pridd (kg P2O5 / ha) | |||||
|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4+ | |
| Wrth i’r borfa ymsefydlu | 120 | 80 | 50 | 30 | 0 |
| Pori | 80 | 50 | 20 | 0 | 0 |
| Gwair | 80 | 55 | 30 | 0 | 0 |
| Silwair | |||||
| Toriad cyntaf | 100 | 70 | 40 | 20 | 0 |
| Ail doriad | 25 | 25 | 25 | 0 | 0 |
| Trydydd toriad | 15 | 15 | 15 | 0 | 0 |
| Pedwerydd toriad | 10 | 10 | 10 | 0 | 0 |
Tabl 3 - Uchafsymiau ffosffad ar gyfer cnydau eraill
| Mynegai-P | 0 | 1 | 2 | 3 | 4 | 5+ |
|---|---|---|---|---|---|---|
(a) Pan fo Mynegai P yn 4 a 5, gellir defnyddio hyd at 60 kg P2 O5/ha fel gwrtaith cychwynnol, yn agos at yr had. Ni ddylai faint o ffosffad a ddodir fel dos cychwynnol, ynghyd â faint a ychwanegir yn y gwrtaith sylfaen, fod yn fwy na faint o ffosffad sy’n ofynnol i gymryd lle’r hyn a dynnwyd gan y cnwd blaenorol. | ||||||
| Cnwd | Ffosffad (kg / ha) | |||||
| Cnydau porthi | ||||||
| Indrawn porthi | 115 | 85 | 55 | 20 | 0 | 0 |
| Ydau cnwd cyfan | 115 | 85 | 55 | 0 | 0 | 0 |
| Swêds a maip porthi (wedi eu codi) | 105 | 75 | 45 | 0 | 0 | 0 |
| Betys porthiant (wedi eu codi) | 120 | 90 | 60 | 0 | 0 | 0 |
| Rêp, swêds a maip sofl porthi (a borir) | 85 | 55 | 25 | 0 | 0 | 0 |
| Cêl (a borir) | 80 | 50 | 20 | 0 | 0 | 0 |
| Rhygwellt a heuir ar gyfer hadau | 90 | 60 | 30 | 0 | 0 | 0 |
| Cnydau âr (Gwellt wedi ei ymgorffori) | ||||||
| Gwenith y gaeaf | 110 | 80 | 50 | 0 | 0 | 0 |
| Rhygwenith y gaeaf | 125 | 95 | 65 | 0 | 0 | 0 |
| Haidd y gaeaf | 110 | 80 | 50 | 0 | 0 | 0 |
| Haidd y gwanwyn | 105 | 75 | 45 | 0 | 0 | 0 |
| Gwenith y gwanwyn/rhygwenith y gwanwyn/rhyg/ceirch | 110 | 80 | 50 | 0 | 0 | 0 |
| Cnydau âr (Gwellt wedi ei dynnu ymaith) | ||||||
| Gwenith y gaeaf | 115 | 85 | 55 | 0 | 0 | 0 |
| Rhygwenith y gaeaf | 130 | 100 | 70 | 0 | 0 | 0 |
| Haidd y gaeaf | 115 | 85 | 55 | 0 | 0 | 0 |
| Haidd y gwanwyn> | 105 | 75 | 45 | 0 | 0 | 0 |
| Gwenith y gwanwyn | 110 | 80 | 50 | 0 | 0 | 0 |
| Rhygwenith y gwanwyn/rhyg | 110 | 80 | 50 | 0 | 0 | 0 |
| Ceirch | 115 | 85 | 55 | 0 | 0 | 0 |
| Hadau olew | ||||||
| Rêp had olew y gaeaf | 110 | 80 | 50 | 0 | 0 | 0 |
| Rêp had olew y gwanwyn neu had llin | 90 | 60 | 30 | 0 | 0 | 0 |
| Pys (sych a dringo) a ffa | 100 | 70 | 40 | 0 | 0 | 0 |
| Betys siwgr | 110 | 80 | 50 | 0 | 0 | 0 |
| Tatws | 250 | 210 | 170 | 100 | 0 | 0 |
| Llysiau a bylbiau | ||||||
| Merllys (ymsefydlu) | 175 | 150 | 125 | 100 | 75 | 0 |
| Merllys (y blynyddoedd dilynol ar ôl ymsefydlu) | 75 | 75 | 50 | 50 | 25 | 0 |
| Ysgewyll Brwsel, bresych storio, bresych pen a bresych llyfnddail | 200 | 150 | 100 | 50 | 0 | 0 |
| Blodfresych a calabrese | 200 | 150 | 100 | 50 | 0 | 0 |
| Seleri | 250 | 200 | 150 | 100 | 50 | 0 |
| Pys (cynhaeaf y farchnad) | 185 | 135 | 85 | 35 | 0 | 0 |
| Ffa llydan, corffa a ffa dringo | 200 | 150 | 100 | 50 | 0 | 0 |
| Radis ac india-corn | 175 | 125 | 75 | 25 | 0 | 0 |
| Letys a dail berwr | 250 | 200 | 150 | 100 | 60(a) | 60(a) |
| Winwns a chennin | 200 | 150 | 100 | 50 | 60(a) | 60(a) |
| Betys (coch) swêds, maip, pannas a moron | 200 | 150 | 100 | 50 | 0 | 0 |
| Bylbiau a blodau bwlb | 200 | 150 | 100 | 50 | 0 | 0 |
| Coriander a mintys | 175 | 125 | 75 | 25 | 0 | 0 |
| Courgettes | 175 | 125 | 75 | 25 | 0 | 0 |
| Ffrwythau a gwinwydd cyn plannu | 200 | 100 | 50 | 50 | 0 | 0 |
| Hopys cyn plannu | 250 | 175 | 125 | 100 | 50 | 0 |
| Ffrwythau coed sefydledig | 80 | 40 | 20 | 20 | 0 | 0 |
| Cyrens duon, cyrens cochion, eirin Mair, mafon, mwyar logan, mafonfwyar, mwyar duon, mefus a gwinwydd | 110 | 70 | 40 | 40 | 0 | 0 |
| Hopys sefydledig | 250 | 200 | 150 | 100 | 50 | 0 |
(2) Caniateir taenu ffosffad ar borfa a chnydau eraill uwchben y gwerthoedd a nodir yn y tablau uchod yn ddarostyngedig i gael cyngor ysgrifenedig ymlaen llaw gan berson sy’n aelod o’r Cynllun Ardystio a Hyfforddi Cynghorwyr am Wrteithiau.]
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