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Increasing Cropping Intensity of Fallow-boro-t. Aman Cropping Pattern with Inclusion of Mustard in Tista Mender Floodplain Soil

MUS Khatun
On-Farm Research Division, Bangladesh Agricultural Research Institute, Agricultural Research Station, Alamnagar, Rangpur

Z Ferdous
On-Farm Research Division, Bangladesh Agricultural Research Institute, Agricultural Research Station, Alamnagar, Rangpur

Z Haque
Agronomy Specialist, ACI Agribussiness, Aci Limited, Dhaka

MAU Alam
On-Farm Research Division, Bangladesh Agricultural Research Institute, Agricultural Research Station, Alamnagar, Rangpur

M Hasan
Farm Machinery and Postharvest Process Engineering Division, Bangladesh Agricultural Research Institute, Joydebpur

MK Islam
On-Farm Research Division, Bangladesh Agricultural Research Institute, Agricultural Research Station, Alamnagar, Rangpur

Abstract/ Executive Summary:

The field experiment was conducted at MLT site Pirgonj, Rangpur and Domar, Nilphamari for two consecutive years 2015-17 to introduce BARI Sarisha-14 in the fallow period and to study the comparative agronomic performance and economic return of two cropping sequences (viz. improved cropping pattern-Mustard-Boro rice-T. aman rice and existing cropping pattern -Fallow-Boro rice-T. aman rice) for increasing cropping intensity, productivity and land use efficiency. The experiment was laid out in randomized complete block design with six dispersed replications. Two years mean data showed that the improved management practices for the pattern provided significantly higher yield in improved pattern. Higher rice equivalent yield (REY) of cropping system (mean value 14.49 t ha^-1) was recorded with the improved pattern over existing pattern at MLT site Pirganj. REY increased 4.60 t ha^-1by inclusion of mustard with improved production technologies for the component crops. Similar results were also found in Domar. The gross return of the improved pattern was BDT.239091 ha^-1 which was more than 46.44% higher than farmers’ pattern of BDT.163267 ha^-1 at MLT site Pirganj and in Domar gross return of the improved pattern was BDT.241345 ha^-1 which was more than 44.18% higher than farmers’ pattern of BDT.167392 ha^-1.The gross margin was higher in improved cropping pattern in both locations than existing pattern due to addition of Mustard.

Keywords: Land use efficiency; Cropping intensity; Mustard, Rice

Location: MLT site Pirgon, Rangpur and Domar, Nilphamari

Start Date: 00-00-2015

End Date: 00-00-2017

Program Area: Farming System

Commodity: Mustard, Rice

Objectives:

The present study was designed to introduce BARI Sarisha-14 in the fallow period.

Methodology:

The experiment was conducted at the farmers’ field condition in Domar, Nilphamari (Latitude: 26006.766 N, Longitude: 089049.0656 E, Altitude: 48 m) and khalashpir, Pirgonj, Rangpur (Latitude: 25024.249 N, Longitude: 089011.946 E, Altitude: 18 m) during two consecutive years 2015-17. There were two treatments viz., T₁= Existing cropping pattern Fallow–Boro- T.aman rice, T₂ = Devloped cropping pattern Mustard- Boro-T.aman rice. The area mostly falls under medium-high land and high land areas of the Agro- Ecological Zone (AEZ) 3 (Tista mender Floodplain). Organic matter content is low in higher parts, but moderate in lower parts. The general fertility level is low to medium, CEC and K status is medium (FRG 2012). The area receives an annual rainfall of around 2,160 mm with relatively early onset and late cessation and the mean annual temperature is about 24.6°C. The maximum land is under double-cropping followed by triple- and mono-cropping (Anwar et al., 2017). Small unreplicated trials on farmers’ fields, known as “dispersed experiments”, were established under local farm conditions (Ferdous et al. 2016; Ferdous et al., 2017). The land was divided into two equal plots (each of 660 m2) where one plot was maintained either improved pattern, whereas the other plot was maintained existing pattern in Domar, Nilphamari and khalashpir, Pirgonj, Rangpur. The details of crop management practices followed for each crop at Domar, Nilphamari and khalashpir, Pirgonj, Rangpur location is provided respectively. After physiological maturity, 10 randomly selected plants from each plot were harvested and plant height, yield and yield attributes of Mustard, Boro rice and Transplant aman rice were measured. Yield for each crop was determined plot-wise and converted into yield on an area basis (kg ha^–1). Data on yield and yield attributes were statistically analyzed using statistical package IRRISTAT 5.0 (Ferdous et al. 2018) for the data analysis. Benefit-cost analysis was conducted to estimate the economic feasibility of Mustard, Boro rice and Transplant aman rice crop. The production costs of these crops included the cost of field preparation, seed, planting, irrigation, fertilizers, crop protection measures and harvesting. The gross income was estimated using the prevailing average market prices for the yield of these crops in Bangladesh. Net income was calculated by subtracting total expenditure from the gross income which was computed by dividing the gross income with total expenditure (Mahmood et al., 2016). Productivity of different cropping systems was compared in terms of rice equivalent yield (REY). Land use efficiency and rice equivalent yield of cropping patterns were calculated. Land use efficiency was worked-out by taking total duration of crops in an individual cropping pattern divided by 365 days. Production efficiency value in terms of kg ha-1day- 1was calculated by total main production a cropping pattern divided by total duration of crops in that pattern (Lal et al., 2017; Tomar and Tiwari, 1990). Rice equivalent yield (REY): For comparison between crop sequences, the yield of all crops was converted into rice equivalent on the basis of prevailing market prices of individual crop (Lal et al., 2017). Rice equivalent yield (REY) was computed as yield of individual crop multiplied by market price of that crop divided by market price of rice. Rice equivalent yield (t ha^-1) = Yield of individual crop ×market price of that crop

Source of Information: Progressive Agriculture 30 (4): 360-370, 2019

Article Link (Online Journal): DOI: https://doi.org/10.3329/pa.v30i4.46895

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

From the above results showed thatimproved cropping pattern was more profitable compared to existing pattern. Considering higher rice-equivalent yield, net monetary return and more sustainability of the improved cropping pattern (Mustard-Boro rice-T. Aman Rice) with additional crop and improved technologies could be suggested for medium high land of the Teesta Meander Floodplain Agro-ecological Zone (AEZ- 3) of Bangladesh.

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