Abhijit Saha

Abhijit Saha
Bangladesh Rice Research Institute | BRRI · Rice Farming Systems Division

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21
Publications
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Introduction
Skills and Expertise

Publications

Publications (21)
Article
Full-text available
With a view to document the existing cropping patterns, cropping intensity and crop diversity, a study was carried out over all the upazilas of Bogra agricultural region during 2015-16. A pre-tested semi-structured questionnaire was properly used for this purpose. In the findings it was recorded that 21.88% of net cropped area (NCA) of the region w...
Article
Date (Phoenix dactylifera) is a noble fruit cultivated mainly in dry and hot area of the globe. Wild relative of date palm (Phoenix sylvestris) is frequently grown all over Bangladesh. A long-term study had been initiated in 2013 with the seeds of 10 famous date cultivars collected from the International Centre for Biosaline Agriculture (ICBA), Uni...
Article
Full-text available
Growing crops in a piece of land influence soil fertility depending on adopted management practices and intensity of cropping. Farmers in many cases do not use balanced fertilizers because of socioeconomic conditions and thus nutrient mining is inevitable. We hypothesize that soil degradation is likely along with reduced crop productivity in future...
Article
Full-text available
In Bangladesh, weeds in transplanted rice are largely controlled by labor-intensive and costly manual weeding, resulting in inadequate and untimely weed control. Labor scarcity coupled with intensive rice production has triggered increased use of herbicides. These factors warrant a cost-effective and strategic integrated weed management (IWM) appro...
Article
Full-text available
Date (Phoenix dactylifera) is a noble fruit cultivated mainly in dry and hot area of the globe. Wild relative of date palm (Phoenix sylvestris) is frequently grown all over Bangladesh. A long-term study had been initiated in 2013 with the seeds of 10 famous date cultivars collected from the International Centre for Biosaline Agriculture (ICBA), Uni...
Article
Full-text available
p>A consistent and comprehensive database on cropping pattern, cropping intensity and crop diversity of a particular area is the prime importance for guiding policy makers, researchers, extentionists and development agencies for the future research and development planning. The study was carried out all the upazilas of Mymensingh region during 2015...
Article
Full-text available
p>Agricultural land use and distribution of cultivated crops expressed in cropping pattern (CP) constitute the base for increasing produtivity. An in-depth study was conducted on the existing CPs of Bangladesh in each and every upazila (sub-districts) using semi structured questionnaire and data validation by the stakeholder consultation workshop c...
Article
p>Towards the sustainable food security for a particular area, the policymakers, researchers, extension and development agents need the detailed information of cropping patterns, cropping intensity and crop diversity. Sylhet, a potential region of enormous potentiality of growing crops across the haor area lying below the northeastern Himalyan foot...
Article
Full-text available
p>Comilla region is highly diverse in respect to topography, agro-ecology, land-use pattern and cropping systems. Planning of agricultural development largely depends on the reliable and comprehensive statistics of the existing cropping patterns, cropping intensity and crop diversity of a particular area, which will provide guideline to our policy...
Article
Full-text available
p>With a view to document the existing cropping patterns, cropping intensity and crop diversity, a study was carried out over all the upazilas of Bogra agricultural region during 2015-16. A pre-tested semi-structured questionnaire was properly used for this purpose. In the findings it was recorded that 21.88% of net cropped area (NCA) of the region...
Article
Full-text available
p>The study was conducted over all 42 upazilas of Chittagong region during 2016 using pre-tested semistructured questionnaire with a view to document the existing cropping patterns, cropping intensity and crop diversity in the region. The most dominant cropping pattern Boro−Fallow−T. Aman occupied about 23% of net cropped area (NCA) of the region w...
Article
Full-text available
Nitrogen (N) is commonly applied in equal split during different growth stages of rice. However, higher requirement of N during panicle initiation (PI) stage emphasizes relatively higher N dose at that particular stage. A field experiment was conducted during dry seasons (November-May) of two consecutive years from 2013 to 2015 to determine appropr...
Article
South Asian countries will have to double their food production by 2050 while using resources more efficiently and minimizing environmental problems. Transformative management approaches and technology solutions will be required in the major grain-producing areas that provide the basis for future food and nutrition security. This study was conducte...
Article
In the Eastern Gangetic Plains of Bangladesh, the cropping systems are predominantly rice based, having large yield gaps in farmers’ fields because of poor management practices adopted by farmers. The increasing scarcity of resources (water, labor and energy) and production costs further make the rice-based cropping system less sustainable and less...
Article
Full-text available
Transplanting vs direct seeding experiment was conducted in BRRI farm, Gazipur during the Boro season 2005-06, 2006-07 and 2007-08 in order to evaluate the effects of establishment methods on grain yield and to increase panicle number in transplanting through closer spacing and compare its performance with drum seeding. Transplanting with three spa...
Article
Full-text available
A field experiment was conducted at BRRI research field, Gazipur during Boro 2002-03 to increase the seedling height and dry matter of infant seedling through nursery management practices for easy handling and good establishment in the main field. Four nursery management practices, viz. NM 1-Solarized seedbed, NM 2-Covering the seedbed at night by...
Article
Full-text available
The experiment was conducted to evaluate the modern photosensitive rice varieties, BR22, BR23, Binasail and an advanced line BR5226-6-3-3 and widely cultivated local variety Telosh for increasing the productivity of medium high land phase-2. BR5226-6-3-3 gave the highest grain yield of 4.14 t ha-1 followed by BR23 (3.96 t ha-1). The higher grain yi...
Article
Nine True Potato Seed (TPS) progenies originated from CIP, India (HPS-7/67, HPS-II/67, HPS-II/13, HPS-7/13) and TCRC, Bangladesh (HPS-8/9, HPS-9/8, HPS-9/67, HPS-364/9) were evaluated for yield potential in F<SUB>1</SUB>C<SUB>0</SUB> generation at Bangabandhu Sheik Mujibur Rahman Agricultural University (BSMRAU), Gazipur, Bangladesh during November...
Article
Full-text available
A study was conducted in the field to identify the N application stages which greatly determine spikelet differentiation and degeneration of rice (Oryza sativa L.). Spikelet differentiation and degeneration were greatly in-fluenced by time of N application. N application at the neck-node differentiation stage significantly increased spike-let diffe...

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