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Yield Response of Summer Country Bean to Boron and Molybdenum Fertilizer

Shamima Nasreen
Chief Scientific Officer
Soil and Water Management Section, Horticulture Research Centre, Bangladesh Agricultural Research Institiute (BARI), Joydebpur, Gazipur, Bangladesh.

M. A. Siddiky
Senior Scientific Officer
Soil and Water Management Section, Horticulture Research Centre, Bangladesh Agricultural Research Institiute, Joydebpur, Gazipur, Bangladesh.

R. Ahmed
Scientific Officer
Soil and Water Management Section, Horticulture Research Centre, Bangladesh Agricultural Research Institiute, Joydebpur, Gazipur,. Bangladesh.

R. P. Rannu
Scientific Officer
Soil and Water Management Section, Horticulture Research Centre, Bangladesh Agricultural Research Institiute, Joydebpur, Gazipur., Bangladesh.

Abstract/ Executive Summary:

Field experiments were conducted in the Grey Terrace Soil (Aeric Albaquept) under AEZ-28 at the Bangladesh Agricultural Research Institute (BARI) farm, Gazipur during summer seasons of 2010 and 2011 to determine the optimum rate of boron and molybdenum combination for maximizing the yield of summer country bean (var. BARI Sheem-3). Four levels each of B (0, 1, 2 and 3 kg ha ^-1 ) and Mo (0, 0.5, 1.0 and 1.5 kg ha ^-1 ) were used as treatment variables. The results indicated that application of B and Mo fertilizer combination exerted significant influence on the number of pods plant ^-1 , individual pod weight and pod yield ha ^-1 in both the years. The highest pod yield (9.58 t ha ^-1 in 2010 and 9.42 t ha -1 in 2011) was produced by the combination of 2 kg B and 1.5 kg Mo ha ^-1 and it was statistically identical with 2 kg B and 1.0 kg Mo ha ^-1 combination. Addition of B beyond 2 kg ha ^-1 along with higher doses of Mo created a detrimental effect to reduce yield irrespective of years. The results revealed that application of 2 kg B and 1 kg Mo ha ^-1 combination with a blanket dose of 50 kg N, 40 kg P, 60 kg K and 20 kg S ha ^-1 plus cowdung 5 t ha ^-1 might be optimum for summer country bean cultivation in Grey Terrace Soil of Gazipur.

Keywords: Yield, Boron, Molybdenum, Country bean

Location: Bangladesh Agricultural Research Institute farm, Joydebpur, Gazipur

Start Date: 00-00-2010

End Date: 00-00-2011

Program Area: Crop-Soil-Water Management

Commodity: Country bean, Fertilizer

Objectives:

To determine the optimum rate of B and Mo combination in presence of NPKS and cowdung for maximizing the yield of summer country bean in Grey Terrace Soil of Gazipur.

Methodology:

Field experiments were carried out at the Bangladesh Agricultural Research Institute (BARI) farm, Joydebpur, Gazipur during summer (Kharif) seasons of 2010 and 2011. The soil of the experimental field was loam in texture. It belongs to the Chhiata series of the Grey Terrace Soil (Aeric Albaquept) under the AEZ-28 (Modhupur Tract). Results of initial soil analysis are presented. The soil test values showed that the experimental soil was deficient in N, P, K, S and B. The soil was slightly acidic. Organic matter content of the soil was very low. The treatment consisted of four levels each of boron (0, 1, 2 and 3 kg B ha ^-1 ) and molybdenum (0, 0.5, 1.0 and 1.5 kg ha ^-1 ). The treatments were factorial combination of the two factors and the experiment was conducted using randomized complete block design with three replications. The unit plot size was 4 m x 4 m. Thirty day old seedlings of BARI Sheem-3 were transplanted on 28 April, 2010 and 11 May, 2011 at a spacing of 1.5 m x 1.5 m. Boron and molybdenum were applied as boric acid and ammonium molybdate, respectively in the pits. Blanket dose of 50 kg N, 40 kg P, 60 kg K and 20 kg S ha ^-1 in the form of urea, triple super phosphate (TSP), muriate of potash (MoP), gypsum and cowdung at 5 t ha ^-1 were added to every plot. TSP, MoP, gypsum, cowdung and half of urea were applied in the pits as basal and remaining half of urea was applied after third week of transplanting. Intercultural operations such as weeding, irrigation and insecticide spray were done as and when required. Pods of country bean were harvested from each plot during July-August, 2010 and July- September, 2011 and recorded. Twenty pods were randomly selected from each plot to record the data on yield components. Weight of total pod plot ^-1 was recorded to compare per hectare yield. All the data were analyzed by computer using MSTAT-C package and mean values were compared by Duncan’s New Multiple Range Test (Gomez and Gomez, 1984).

Source of Information: ISSN 0258-7122, Bangladesh J. Agril. Res. 40(1): 71-76, March 2015

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Results of two years reveal that there exists a scope for yield improvement of summer country bean by application of B and Mo. Application of 2 kg B and 1 kg Mo ha^-1 combination in presence of 50 kg N, 40 kg P, 60 kg K, 20 kg S ha^-1 and cowdung at 5 t ha^-1 for BARI Sheem-3 might be optimum for obtaining maximum pod yield in Grey Terrace Soil (AEZ-28) of Gazipur.

Knowledge Management: Journal