How much is a pack of dipyridine triphenyltin acetate?

Half an acre of land. Tin bromoterphenylacetate is an efficient and ideal molluscicide, which can effectively kill harmful snails. One acre of land needs 60 to 70 grams, and a pack of 45 grams of this medicine can be used for half an acre of land. Bailuodi is an efficient molluscicide. Oncomelania snails lose a lot of water in a short time by contact or feeding.