Effect of Fertilizer Doses on Turmeric at Madhupur Tract under AEZ-28
Md. Abdul Helim Khan *
On-Farm Research Division, Bangladesh Agricultural Research Institute, Tangail, Bangladesh.
Md. Mahmudur Rahman
On-Farm Research Division, Bangladesh Agricultural Research Institute, Tangail, Bangladesh.
Tahera Tasmima
On-Farm Research Division, Bangladesh Agricultural Research Institute, Tangail, Bangladesh.
Nargis Sultana
On-Farm Research Division, Mymensingh, Bangladesh.
*Author to whom correspondence should be addressed.
Abstract
A field experiment was conducted at MLT site, Madhupur (AEZ-28), Tangail during 2020-21 and 2021-22 to find out an optimum fertilizer dose of turmeric in Madhupur tract and increase productivity and economic return of the farmers. The experiment was laid out in a randomized complete block design with five compact replications. The tested six treatment combinations were as T1: STB as per FRG’ 2018 (116-27-77-8-1.5-1.2 kg NPKSZnB ha-1 ), T2 : T1 + 20% extra NK (139-27-92-8-1.5-1.2 kg NPKSZnB ha-1), T3 :T1 + 20% extra NKS (139-27-92-9.6-1.5-1.2 kg NPKSZnB ha-1), T4 :T1 + 20% extra NKSZn (139-27-92-8-1.8-1.2 kg NPKSZnB ha-1), T5 : IPNS basis fertilizer with 5 t ha-1 cow dung (91-20-66-8-1.5-1.2 kg NPKSZnB ha-1) and T6 : Farmers’ practice (115-50-125 kg NPK ha-1). BARI Halud-5 was used as test crop in this experiment. The unit plot size was 8m × 5m and spacing was maintained as 50 cm apart rows with plant to plant 25 cm. Seeds (rhizome) were planted @ 2000 kg ha-1 during 14-20 April, 2020 and 10-15 April 2021. The treatments showed significant differences in terms of yield and yield contributing characters. The highest fresh rhizome yield (17.13 t ha-1) was recorded from IPNS basis fertilizer with 5 t ha-1 cow dung i.e. (91-20-66-8-1.5-1.2 kg NPKSZnB ha-1) treatment combination. The highest gross return (Tk.256950 ha-1) and gross margin (Tk.136740 ha-1) were recorded from the (T5) same treatment The marginal benefit cost ratio (3.79) was also highest in IPNS basis fertilizer with 5 t ha-1 cow dung i.e. (91-20-66-8-1.5-1.2 kg NPKSZnB ha-1) which further indicated the superiority among the treatments.
Keywords: Organic manure, yield parameters, soil fertility, farmers’ field, productivity
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References
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