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Effect of Soil Test Based Fertilizer Package for Yield and Economic Return of Lentil + Mustard Mixed Cropping System in Charland of Pabna

M. Maniruzzaman
Scientific Officer
OFRD, BARI, Pabna

M. Robiul Alam
Senior Scientific Officer
OFRD, BARI, Pabna

M.S. Islam
Principal Scientific Officer
OFRD, BARI, Pabna

M.Z. Islam
Scientific Officer
OFRD, BARI, Pabna

M.S.H. Molla
Senior Scientific Officer
OFRD, BARI, Rangpur

M.A. Islam
Scientific Officer
OFRD, BARI, Shampur, Rajshahi

Abstract/ Executive Summary:

The experiment was conducted at char Sadipur the char land of Pabna during the Rabi season of 2013-14 and 2014-15 to determine appropriate fertilizer dose for enhancing production and economic return from Lentil+ Mustard mixed cropping system. The experiment was laid out in a randomized complete block design with 3 dispersed replications. Eight soil test based fertilizer packages viz.,T₁: N₂₀P₂₄K₂₀S₁₈Zn₂B_1.5, T₂: N₂₅P₂₄K₂₀S₁₈Zn₂B_1.5, T₃: N₂₅P₃₀K₂₀S₁₈Zn₂B_1.5, T₄: N₂₅P₂₄K₂₅S₁₈Zn₂B_1.5, T₅: N₂₀P₃₀K₂₅S₁₈Zn₂B_1.5, T₆: N₂₅P₃₀K₂₅S₁₈Zn₂B_1.5, T₇: N₁₅P₁₈K₁₅S₁₄Zn_1.5B₁kg ha^-1kg ha^-1and T₈: native nutrient (control) were tested for lentil + mustard mixed cropping system. Soil test based N₂₅P₃₀K₂₅S₁₈Zn₂B_1.5(T₆) showed better performance on crop growth and yield of lentil and mustard in lentil+ mustard mixed cropping system in both the year. The highest lentil yield 0.70 t ha^-1 in 2013-14 and 0.95 t ha^-1 in 2014-15 was obtained from soil test based N₂₅P₃₀K₂₅S₁₈Zn₂B_1.5 (T₆). Similarly, maximum lentil equivalent yield (1233 Kg ha^-1in 2013-14 and 1280 Kg ha^-1 in 2014-15) was also obtained from the same treatment. The maximum gross margin (Tk. 31639 ha^-1 in 2013-14 and Tk. 32480 ha^-1in 2014-15) was recorded from soil test based N₂₅P₃₀K₂₅S₁₈Zn₂B_1.5.So, application of soil test based fertilizer increases lentil and mustard yield as mixed crop as well as income of the farmers.

Keywords: Mixed cropping, Char land, Lentil, Mustard, Lentil equivalent yield, Economic

Location: Char Sadipur areas of Pabna

Start Date: 00-00-2013

End Date: 00-00-2016

Program Area: Farming System

Commodity: Fertilizer, Lentil, Mustard

Objectives:

To determine the optimum fertilizer dose of lentil and mustard mixed crop in char land.

Methodology:

The experiment was conducted at char land of Char Sadipur areas of Pabna during Rabi season of 2014-15 to 2015-16. The experimental site was in Gopalpur soil series belonging to the High Ganges River Floodplain Soils (AEZ- 11). Before starting the experiment, initial composite soil samples (0-15 cm depth) were collected from the experimental plots and were analyzed. The analytical result indicated that soil was sandy loam with very low organic matter content (0.82%) and slightly alkaline in nature. N content of soil was very low and P, S and Zn content of the soil were low. K content of the soil was medium. The experiment was laid out in randomized complete block (RCB) design with three replications. The unit plot size was 5m x 4m.The land was prepared by power tiller and laddering. After completion of land preparation, the entire amount of all fertilizers was applied as per treatment specification. The seeds of lentil and mustard were broadcasted in each plot on 10 November in 2013-14 and 15 November in 2014-15 maintaining the same ratio of 80:20 for lentil + mustard mixed crop in both the season. Two times weeding were done at vegetative stage for better growth of the crops. Rovral 50 WP @ 2.5 g L^-1 was applied 3 times at 7-10 days interval from flowering until pod formation to control stem phylum disease of lentil. Other intercultural operations were done when required. Mustard was harvested on 5 February in 2013-14 and 10 February in 2014-15 while lentil was harvested on 23 February in 2013-4 and 27 February in 2014-15 cropping season. Other intercultural operations were done when required. Necessary data on days to flowering, days to maturity, yield and yield contributing characters were collected and analyzed through statistical analytical package with MSTAT C software. The productivity of mixed cropping system was estimated by calculating their lentil equivalent yield (LEY) using formula given by Ahlawat and Sharma (993)

Source of Information: Bangladesh Agron. J. 2019, 22(1): 1-6

Article Link (Online Journal): DOI: https://doi.org/10.3329/baj.v22i1.44925

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The findings could be concluded that fertilizer packages exerted significant effect on yield and yield attributes of lentil and mustard in mixed cropping system. Soil test based fertilizer N₂₅ P₃₀ K₂₅ S₁₈ Zn₂ B_1.5 showed better performance on crop growth and yield of lentil and mustard as mixed cropping system in char land of Pabna. The maximum economic return in terms of gross return and gross margin was also recorded in the same fertilizer package.

Knowledge Management: Journal