cynllunio ar gyfer rheoli maethynnaudefnyddio gwrtaith mewn ffordd gynaliadwy a fydd yn gysylltiedig ag anghenion y cnwd o dan sylwgwarchod dŵr rhag llygredd sy'n gysylltiedig â phryd, ble a sut y mae gwrteithiau'n cael eu gwasgarusafonau'n ymwneud â storio dom/tail.
nutrient management planningsustainable fertiliser applications linked to the requirement of the cropprotection of water from pollution related to when, where and how fertilisers are spreadmanure storage standards.