Slurry tanker with slurry lagoon© John Eveson/REX/Shutterstock
As the NVZ closed period for applying organic manure draws to a close (on 31 January), dairy farmers are being urged to check their samples before spreading. This will ensure crops are provided with the correct level of fertiliser, after a study revealed a wide variation in slurry nutrient content. More than 1,500 slurry samples taken between 2006 and 2015 found dairy slurry was not delivering the balance of nutrients expected, when compared to recommended figures in Defra’s RB209 fertiliser […]