EFFECT OF NITROGEN AND PHOSPHOROUS ON THE GROWTH AND YIELD OF FENUGREEK (METHI) (Trigonella foenum-graecum L.)

Abstract

This study was conducted to observe the effect of nitrogen and phosphorous on growth and yield of fenugreek. Furthermore, to investigate the optimum dose to maximize the growth and yield of fenugreek. Experimental plot was in Sher-e-bangla Agricultural University research field, Dhaka, Bangladesh. Study was done in Robi season (mid-November 2018 to early March 2019).

Field trials were designed in Complete Randomized Block Design with three replications. Here, four level of nitrogen (0, 30,60,90 kg/ha), three level of phosphorous (0,20,40 kg/ha) and potassium (60 kg/ha) as common dose were applied. In study plant height (cm), number of branches plant -1 , number of pods plant , length of pods, number of seeds pod -1 , weight of 1000 seeds(g) and seed yield(kg/ha) were determined. It was noticed that nitrogen has significant effect on all the parameters. All the plant parameters except 1000 seeds weight increased with the increased of phosphorous level.

Maximum value of Plant height (37.90 cm), number of branches (4.27) and yield (727.67kg/ha) was recorded in combine application of 90kg/ha nitrogen and 40kg/ha phosphorous. Maximum value of number of pods, length of the pod and seeds/pods was recorded in both N 90 P 40 and N 90 P 20 combination. In conclusion, combine application of 90kg/ha Nitrogen and 40kg/ha Phosphorous provided highest yield of fenugreek. Application of 90kg/ha Nitrogen combine with 40kg/ha Phosphorous, or 90kg/ha nitrogen coupled with 20 kg/ha phosphorous gave the reasonable yield of fenugreek. Application of Nitrogen and Phosphorous fertilizer had no effect on soil parameters.