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This week's opinion from throughout the world of agriculture: Tim Rooke, North Yorkshire potato farmer and vice-chair of the NFU Horticulture and Potatoes Board

The investment in a two-million-gallon aerated slurry lagoon is delivering measurable performance gains, with homogenised slurry, enhanced nitrogen availability and increased grass yields

This week from ²ÝÁñÉçÇø Guardian readers: Richard Cattell, director of marketing and commercial at Red Tractor, highlights the importance of Red Tractor’s food assurance standards at a time when illegal, unregulated meat imports are increasing

Kate Rowell is a fifth-generation farmer running the 750-hectare (1,853-acre) Hundleshope Farm on the Haystoun Estate, Peebles, where the family have been tenants for 150 years. She runs the hill unit with her husband Ed and their four children. She is also a vet and chair of Quality Meat Scotland

Nicola is a third-generation farmer from Aberdeenshire. Alongside her dad, George, she farms 560 hectares (1,400 acres) with 240 Simmental-cross suckler cows and 1,000 Scotch Mule ewes and a small acreage of spring barley, forage rape and neeps to feed the livestock. She is also known as @livestock_farmher on social media where she gives her view of farming life

This week's opinion from throughout the world of agriculture: Fran Barrigan, director at GSC Grays

Arla's price has dropped 3.5ppl for December

This week from ²ÝÁñÉçÇø Guardian readers: Jesse A. Bostock, Staffordshire, discusses how methane is wrongly portrayed as harmful

Alan Carter farms in partnership with his parents, Paul and Christine, on a 162 hectare (400-acre), 400-cow dairy unit at Constantine, Cornwall, with 130 milking cows, supplying Saputo. Alan, also a Parish Councillor, and his wife Sarah, have two children, Ross and Dana

Dan Hawes grew up on an arable farm in Suffolk and now produces strawberry and raspberry plants for the UK fruit market with Blaise Plants, sister company to Hugh Lowe Farms, Kent. The business grows outside, under tunnels and in glasshouses and produces more than four million plants a year. The arable side includes environmental schemes, with a mix of wheat, oilseed rape, beans and barley crops