Abstract
The experiment was conducted to study the effect of different potassium levels on mungbean under custard apple based agri-horti system at Agricultural Research Farm of Rajiv Gandhi South Campus, Barkachha, Mirzapur. The experiment was conducted in a complete randomized block design with seven treatments which were replicated thrice. These treatments were different doses of potassium, that is, 0 kg/ha (T1), 20 kg/ha (T2), 40 kg/ha (T3), 60 kg/ha (T4), 80 kg/ha (T5), 100 kg/ha (T6) and 120 kg/ha (T7). Potassium application is directly related to growth, plant biomass and yield in crops. Results showed that application of different potassium levels gave varying yield. Lowest yield (700 kg/ha) was obtained with the application of 0 kg/ha and highest yield (1096 kg/ha) was obtained with the application of 120 kg/ha potassium. It is concluded that the application of 80 kg/ha potassium gave highest Benefit/Cost ratio of mungbean and looks more remunerative in Vindhyan region.
Highlights
Agri-horti system is an improved cropping system in which maximum utilization of natural resources markedly increases the return per unit area per unit time (Singh, 1987)
The experiment was conducted to study the effect of different potassium levels on mungbean under custard apple based agri-horti system at Agricultural Research Farm of Rajiv Gandhi South Campus, Barkachha, Mirzapur
Studies at Jhansi revealed that interspaces of custard apple orchards can be exploited by intercropping grain and fodder crops during initial stage of establishment of fruit trees (Gill and Gangwar, 1992)
Summary
Agri-horti system is an improved cropping system in which maximum utilization of natural resources markedly increases the return per unit area per unit time (Singh, 1987). The present study was taken to investigate the effect of different levels of potassium on growth and yield performance of mungbean under custard apple based agri-horti system in rainfed conditions of Vindhyan region. Minimum plant height (46 cm) was obtained in plots where no potash was applied, and no significant with 20 kg/ha might be due to high root/shoot ratio which is associated with potassium uptake (Yang et al, 2004).
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