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５０％Ｒｉｆｉｔ乳油是瑞士诺华公司最新研制开发的主要防除水稻移栽田禾本科和莎草科杂草的化学除草剂。经试验表明，公顷用量９００～１２００ｍＬ，对水稻田中稗草有较好的防效，防效随剂量增加而提高，并对水稻安全。
50% Rifit EC is the latest herbicide developed by Novartis AG to control gramineous and sedge weeds in paddy fields. Experiments show that the hectare dosage of 900 ~ 1200mL, paddy field barnyard grass have better control effect, control efficiency increased with increasing dose, and rice safety.