EFFECTS OF NITROGEN, PHOSPHORUS, POTASSIUM AND SULPHUR ON QUALITY SEED PRODUCTION IN CORIANDER. Ahmed S, Hossain MM, Sirajul Karim AJM, Ruhul Quddus AFM and Sarker Rumpa

BJPST: 15(2): 013-018 [July, 2017]         
ISSN: 2305-1809 (Online version) 

ABSTRACT
 A field experiment was carried out at Gazipur during the rabi season of 2009-10 to find out the contribution of macro fertilizers (N, P, K and S) along with cow dung on the yield of coriander (BARI dhania 1) (Coriandrum sativum) and to evaluate the economic return of coriander. The experiment consisted of four of each N levels (0, 40, 80 & 120 kg ha-1), P levels (0, 15, 30 & 45 kg ha-1), K levels (0, 25, 50 & 75 kg ha-1) and S levels (0, 10, 15 & 20 kg ha-1) in addition with cowdung (at 5 tha-and 10tha-1). The experiment was set up a randomized complete block design with three replications. The results showed that the different treatments significantly influenced seed and straw yields of coriander. All treatments combination exerted positive effect on the growth parameters (umbels plant-1, numbers of umbellet plant-1 and 1000-seed weight) and yield of coriander. The treatment T3(N80P30K50S15 kg ha-1) gave the highest seed yield (1383 kg ha-1). The seed yield increased 58% over absolute control.  The highest agronomic efficiencies of N, P, K and S were found to be 9.98, 15.13, 5.12 and 11.6 at 40 kg N, 15 kg P, 50 kg K and 15 kg S, respectively. A combination of macronutrients, 80 kg N, 30 kg P, 50 kg K and 15 kg S ha-1 was found most profitable for seed production of coriander.

Selim_Fertilizer corrected

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