Peanut response to chemical fertilizer and lime when grown as post-rice crop on high water table riceland(Thai)

Abstract

The experiment was conducted in a farmer's field in Ban Kok Yai village, Ban Phang district, Khon Kaen province in December 2003 - March 2004. The objectives of this study were to investigate the effect of chemical fertilizer and lime on growth and yield of peanut when grown as a post-rice crop on high water table ricelands, as well as economic return of peanut when used different materials soil amendment. The result showed that peanut applied chemical fertilizer grade 12-24-12 at rate of 25 kg/rai combined with lime at rate of 100 kg/rai did not show any significant difference in leaf and stem dry weight, and pod yield with peanut applied only chemical fertilizer. In economic term, peanut applied only chemical fertilizer gave the highest net return 2,752 baht/rai over materials cost.