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Four Crops Based Cropping Pattern Studies for Increasing Cropping Intensity and Productivity in Rajshahi Region of Bangladesh

I. Hossain
Senior Scientific Officer
Regional Wheat Research Centre, Bangladesh Agricultural Research Institute, Rajshahi

M. R. I. Mondal
Director General
Agricultural Research Institute, Joydebpur, Gazipur.

M. J. Islam
Scientitic Officer
Regional Wheat Research Centre, Bangladesh Agricultural Research Institute, Rajshahi

M. A. Aziz
Chief Scientific Officer
Agricultural Research Institute, Joydebpur, Gazipur.

A. S. M. M. R. Khan
Principal Scientific Officer
Agricultural Research Institute, Joydebpur, Gazipur.

F. Begum
Principal Scientific Officer
Agricultural Research Institute, Joydebpur, Gazipur.

Abstract/ Executive Summary:

A Field trial was conducted at the Regional Wheat Research Centre of Bangladesh Agricultural Research Institute (BARI), Rajshahi to study the comparative agronomic performance and Economic return of four crops based cropping patterns. The cropping patterns were as follows: CP₁ = Transplanted Aman rice (cv. Binadhan-7)- Mustard (cv. BARI Sarisha-14)-Baro rice (cv. BRRI) dhan28) - Transplanted Aus rice (cv. Parija); CP₂ = T. Aman rice-Potato (cv. Diamont)-Boro rice-T.Aus rice; CP₃=T. Aman rice-Mustard (cv. BARI Sarisha-15)-Mungbean (cv. BARI Mungh-6) - T. Aus rice and CP₄ = T. Aman rice-Fallow-Boro rice-Fallow (Control). The results showed that four crops could be grown successfully one after another in a sequence in the field with three crops patterns. The highest rice equivalent yield (REY) 25.62 t ha^-1 was obtained from the cropping pattern CP2 (T. Aman rice-Potato_Boro rice-T.Aus rice) and it was followed by CP₁ (18.49) CP₂ (16.03) during one year crops cycle. The highest gross margin Tk.148882 ha^-1 was also obtained from CP₂ followed by CP₃ (Tk. 133315 ha^-1). The highest MBCR (2.24) was however, obtained from the cropping pattern CP₃ (T. Aman-Mustard- Mungbean-A. Aus). Based on overall yield performance, economic benefit and climatic situation of Rajshahi region it may be concluded that CP₃ was the best pattern than others.

Keywords: Four crops, Cropping Intensity, Productivity, Rice equivalent yield.

Location: Bangladesh Agricultural Research Institute (BARI), Rajshahi (AEZ 11).

Start Date: 01-07-2012

End Date: 30-06-2013

Program Area: Farming System

Non-commodity: Adoption of technology

Objectives:

To study the economic feasibility of growing four crops in a year in a piece of land by incorporating mustard, potato, mungbean and aus rice in the existing two or three crops based pattern.

Methodology:

The field experiment was conducted at the Regional Wheat Research Centre (WRC) of Bangladesh Agricultural Research Institute (BARI), Rajshahi (AEZ 11) during 2012-2013 (July 2012 through June 2013). Soil analysis report of the field is presented. Four cropping patterns were as follows: CP1 = T. Aman - Mustard - Boro - T. Aus; CP2 = T. Aman - Potato - Boro - T. Aus; CP3 = T. Aman - Mustard - Mungbean - T. Aus; CP4 = T. Aman - Fallow - Boro - Fallow (control). The experiment was laid out in a Randomized Complete Block (RCB) design with 4 replications. The unit plot size was 6 m x 4m. Transplanted aman (T. Aman) rice was grown during the Kharif II season and it was the first crop of the sequence. Fertilizers management and intercultural operation like weeding, mulching etc. Seedlings were grown in seedbed in a separate plot. 25 days old seedling of Binadhan 7 was transplanted with 20 cm x 15 cm spacing on 20 July, 2012. T. aman rice was harvested on 21 October, 2012. Rice was harvested at 30 cm height from soil surface and remaining part of the rice plant was incorporated with soil. Grain and straw yields were taken from whole plot. As per treatment potato was grown during Rabi season. Fertilizers management and intercultural operations like weeding, mulching etc. Potato tubers (cv. Diamont) were planted with 60 cm x 25 cm spacing on 25 October, 2012. Potato was harvested on 24 January in the same year. Tuber and foliage (over dry) weight were taken from the whole plot. Mustard was grown during Rabi season. Fertilizers management and intercultural operations like weeding, mulching etc. BARI Sarisha-14 and BARI Sarisha-15 were planted with 30 cm x 5 cm spacing on 25 October, 2012. BARI Sarisha-14 was harvested on 20 January, 2013 while BARI Sarisha-15 was harvested on 24 January, 2013. Seed yield and straw yield were taken from the whole plot. Mungbean was grown during Kharif-I season. Fertilizers management and intercultural operations were done. Mungbean (cv. BARI mung-6) was sown of 05 Ferbruary, 2013. Mungbean was harvested on 15 April, 2013. Seed yield and biomass weight of mungbean were taken from the entire plot. After harvesting of pods, mungbean plants were incorporated into the soil Boro was the Third crop of the sequence. Fertilizers management and intercultural operations were done. Thirty five days old seedlings of BRRI dhan 28 were transplanted with 20 cm x 15 cm spacing on 15 January, 2013 in CP₄; 27 January 2013 in CP₁ and 27 January, 2013 in CP₂. Boro rice was harvested on 12 May, 12 May and 10 May, 2013 in CP₁, CP₂ and CP₄ respectively. Rice was harvested at 30 cm height from soil surface and the remaining part of the rice plant was incorporated with soil. Grain yield and straw yield were taken from the whole plot. Twenty-day aged seedlings of Parija were transplanted with 15 cm x 15cm spacing on 15 May both in CP₁ and CP₂and 20 April in CP₃ in the same year. T. aus was harvested on 24 July in CP₁; 23 July in CP₂ and 7 July in CP₃. Rice was harvested at 30 cm height from soil surface and remaining part of the rice plant was incorporated with soil. Grain yield and straw yield were taken from whole plot. a

Source of Information: Bangladesh Agron. J. 2014, 17(2): 55-60

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

From the result of the study it may be condluded that four cops based three cropping patterns such as CP₁ = Transplanted Aman rice (Binadhan-7)-Mustard (BARI Sarisha-14) - Boro rice (BRRI dhan28) - Transplanted Aus rice (Parija); CP₂ = T. aman rice - Potato (Diamont) - Boro rice T. aus rice; CP3 = T. aman rice - Mustard (BARI Sarisha-15) - Mungbean (BARI mung-6) - T. aus rice are astronomically feasible and economically profitable compared to the existing T. aman - Fallow - Boro - Fallow pattern. However, CP₃ was found the most profitable one. Due to growing of four cops in a year in the same piece of land cropping intensity and productivity will be increased, more employment opportunity for male and female labors will be created and at the same time due to increased production of rice, potato, mustard and mungbean the food and nutritional security will be ascertained for the farmers and the nation as a whole.

Knowledge Management: Journal