Back in the 1960s, Austrian harrow maker Hatzenbichler introduced a spring tine harrow for organic weeding. It was imported into the UK initially by Temple Farming and subsequently T H White, with OPICO taking over sales in 1994. Twenty years on, and the harrow, along with its accompanying air seeder, appeals to a much wider audience than just the organic fraternity; it remains a strong seller across a number of farming sectors and is also a sought-after used buy