The effect of attractive intervals distances and some control application methods on the efficacy of methomyl against Monacha cartusiana (MÜller) snails were studies under field conditions during the growing season of 2012/2013.Results revealed that poisonous baits of methomyl containing wheat bran and sugar can syrup can attractive M. cartusiana snails far from 100 cm.  These results included that bait stations of poisonous bran baits for control land snails could be applied on two meters intervals between station and the other .Regarding the evaluation of two application methods commonly used in controlling land snails: spray and poisonous baits. Results indicated that poisonous baits were more effectiveness than spray technique. Moreover when poisonous baits were put as piles on plastic pieces was the best technique to reduce numbers of M. cartusiana snails in Egyptian clover fields. Finally, it could be recommended that station of bran poisonous baits could put on two meters intervals and piles on plastic pieces method was the best application methods for controlling land snails under field conditions.