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Fertilizer Management in Mustard + Chickpea Intercropping System Under Rainfed Condition

M. A. QUAYYUM
Agronomy Division,Bangladesh Agricultural Research Institute, Joydebpur, Gazipur

ANWAR KARIM
Agronomy Division,Bangladesh Agricultural Research Institute, Joydebpur, Gazipur

M. BISWAS
RARS, Jessore

R. K. PAUL
RARS, Ishurdl, Pabna

N. ISLAM
RARS, Ishurdl, Pabna

S. ALOM
RARS, Jessore

Abstract/ Executive Summary:

A field experiment was conducted at Joydebpur, Jessore and Ishurdi during rabi season. 1994-95 and 1995-96 to find out a suitable dose of fertilizer for mustard chickpea intercropplng system. Higher chickpea yield was obtained in all the locations from two rows of chickpea alternate with 2 rows of mustard (50C : 50M) with 20-15-10 N-P₂0₅ -K₂0 kg/ha compared to those with higher fertilizer level. But mustard yield was highest in broadcast method (C25% + M75%) with 60-45-30 N P₂0₅ K₂0 kg/ha at Joydebpur and 80-60-40 N - P₂0₅-K₂0 kg/ha at Jessore and Ishurdi, respectively. The highest chickpea- mustard equivalent yield and gross return were recorded from alternate row ( C50 : M50 ) with 20-15-20 N-P₂0₅-K₂0 kg/ha at Joydebpur. Jessore and Ishurdl. The highest net return and benefit cost ratio were also obtained from alternate row (C 50 : 50 M) with 20-15-10 N - P₂0₅-K₂0 kg/ha in all the three locations.

Keywords: Inter/mixed cropping, Equivalent yield, Fertility status

Location: Joydebpur, Jessore and Ishurdi

Start Date: 00-00-1994

End Date: 00-00-1996

Program Area: Farming System

Commodity: Fertilizer, Chickpea, Mustard

Objectives:

To determine the optimum level of nutrients for the inter/mixed crop having minimum crop competition.

Methodology:

The experiment was conducted at Joydebpur, Jessore and Ishurdi during rabi season of 1994-95 and 1995-96. The eight treatments were T₁= Chickpea (C) 25% + Mustard (M) 75% in Broadcast (B) method with 80-60-40 N-P₂0₅ - K₂0 kg/ha, T₂= C 25% + M 75% in B, with 60-45-30, T₃= C 25% + M 75% in B, with 40-30-20, T4 ,= C 25% + M 75% in B, with 20-15-10, T ₅= C 50% + M 50% in alternate row with 80-60-40, T₆ = C 50% + M 50% in alternate row with 60-45-30, T₇ = C 50% + M 50% in alternate row with 45-30-20, and T₈= C 50% + M 50% in alternate row with 20-15-10 N-P₂0₅ -K₂0 kg/ha. The experiment was laid out in randomized block design with three replications. Seeds of mustard (Var. Daulat) and chickpea (Var. BAR I chola-2) were sown on November 8, 1994 and November 8. 1995 at Joydebpur and November 15, 1994 and November 10. 1995 at Ishurdi, and November 13, 1994 and November 4, 1995 at Jessore respectively. The seed rate of mustard and chickpea were 8 and 30 kg/ha (100% basis) respectively. All fertilizers were applied as basal. Irrigation was not applied but one hand weeding 25 days after seeding was done. At Joydebpur mustard and chickpea were harvested on February 6 and March 28. 1995 and February 12 and April 2, 1996 , respectively. Chickpea and mustard equivalent yields were computed by converting the crop yields on the basis of prevailing market rates.

Source of Information: J. Asiat. Soc. Bangladesh. Sci. 24 (1): 45-53. 1998

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

From the above results it is revealed that chickpea could be grown with mustard in alternate row of 50C : 50 M with minimum dose of fertilizer (20-15-10 N-P₂0₅ -K₂0 kg/ha) at all the three locations (Joydebpur, Jessore and Ishurdil. Thus in intercropping situation fertilizer can be saved considerably.

Knowledge Management: Journal