Every year total cultivable land of the country is turning into nonagricultural land at the rate of 0.73% (Molla, 2016), while total population is projected to be 201.3 million by 2051 (El-Saharty et al., 2014). So, meeting food demand by maintaining soil health is a great challenge. Pulses are the second most important group of crops after cereals (Chandra et al., 2020). So, it is the high time to conduct research on pulses. Pulses are rich source of protein and play a significant role in correcting the prevalent malnutrition in the country like Bangladesh and India (Singh et al., 2015). Among the pulses, fieldpea (Pisum sativum L.) is an important grain legume in the Asia, Europe, North America, Japan and Australia but in Bangladesh, fieldpea is going to be a major pulse crop within a few years (BBS, 2016). It is the second most important legume crop of the world (Pawar et al., 2017). Garden pea (Pisum sativum L.) belongs to the family Fabaceae is one of the world's oldest domesticated crops cultivated before 10th and 9 th millennia BC (Zohary and Hopf, 2000). It is highly nutritive which contains high proportion of digestive protein Article History
This experiment was carried out at the rooftop garden of the Department of Agricultural Botany, Sher-e-Bangla Agricultural University (SAU), Dhaka-1207, Bangladesh from October 2017 to March 2018 to evaluate the response of tomato to different plant growing structures and composition of growing media in the rooftop garden. The experiment had two factors, factor A- two plant growing structures, viz., S1 = Plastic pot, S2 = Earthen pot and factor B - six different plant growing medium viz. M0 = Soil 100% (w/w) + inorganic fertilizer (IF)/(control), M1 = Soil 80% (w/w) + 20% cowdung (w/w) + IF, M2 = Soil 70% (w/w) + 30% cowdung (w/w) + IF, M3 = Soil 90% (w/w) + 10% vermicompost (w/w) + IF, M4 = Soil 80% (w/w) + 20% vermicompost (w/w) + IF, M5 = Soil 80% (w/w) + 10% cowdung (w/w) + 10% vermicompost (w/w) + IF. The factorial experiment was laid out in a Completely Randomized Design (CRD) with four replications. The experimental results yield contributing characters and yield of tomato significantly influenced by different plant growing structures and various composition of plant growing media and also their combination. Considering plant growing structures, the S1 gave the highest flower clusters per plant, flowers per plant, fruit length and fruit breadth. The maximum yield of fruits per plant (1.69 kg) was also obtained from plastic pot. The M5 had the highest flower clusters per plant, flowers per plant, fruit length and fruit diameter. The maximum yield of fruits per plant (2.17 kg) was recorded from the M5. The highest yield of fruits per plant (2.15 kg) was obtained from the treatment combination of S1M5. This experimental results suggest that S1M5 be able to increase the fruit yield of BARI tomato14 for rabi season in the rooftop garden.
The experiment was conducted at the experimental field of Sher-e-Bangla Agricultural University during the period from November 2015 to May 2016, Sher-e-Bangla Nagar, Dhaka-1207, to find out the effect of organic mulches on the yield of white maize. This experiment was comprised of two factors. Factor A: Variety (2): V1 = Shuvra; V2 = KS-510 and Factor B: Indigenous mulch materials (5): T1 = Control (without mulch); T2 = Water hyacinth; T3 = Rice straw; T4 = Rice husk; T5 = Ash. The experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications and the differences between means were separated by both Duncan’s New Multiple Range Test (DMRT) and Least Significant Difference (LSD) test at 5% level of probability. Mulches showed significant effects on most of the parameters. In the case of variety, the highest grain yield (12.963ton per ha) was recorded from V2. Different organic mulch materials showed different values, the highest values were recorded from T3. Due to this (T3) mulch material. The water retentive capacity of the mulched soil was higher at all the stages of plant growth and ranked in the order of rice straw > water hyacinth > rice husk > ash > control. The highest grain yield (17.407ton per ha) was recorded from T3. . In case of interaction all yield attributing characters include grain yield (19.043ton per ha) was recorded from V2T3. So, KS-510 variety and rice straw mulch combinedly had outstanding superiority for morphophysiological and yield attributes in white maize over the other organic mulches.
Aims: The objectives of the research work were to evaluate the physiological behaviour and yield contributing attributes of rice under different system of cultivation in boro season. Study Design: The experiment was laid out in a randomized complete block design (RCBD) with three replications. Place and Duration of Study: Central research field of Sher-e-Bangla Agricultural University, Dhaka-1207 during November 2015 to May 2016. Methodology: In this research we used three System of cultivation [T1: Low land transplant (anaerobic) condition; T2: Raised upland (aerobic) condition, and T3: Raised transplant (aerobic) condition] and five rice Varieties [V1: BRRI hybrid dhan3; V2:Bolaka; V3: Moina; V4: Gold and V5:BRRI dhan 45], where different morpho-physiological data was taken for evaluation their performance. The significance of the difference among the treatment means were estimated by the Duncan’s Multiple Range Test (DMRT) at 5% level of probability [1]. Results: Among the different system of cultivation significant variation was observed on growth, yield and yield contributing parameters. All the studied hybrid varieties showed superiority in respect of physiological characters, yield and yield attributes in anaerobic condition over aerobic condition. BRRI hybrid dhan3 provided the highest grain yield (8.05 t ha-1) at low land transplant condition. BRRI hybrid dhan3 performed well due to yield attributes [amount of chlorophyll (2.47 mg g-1) in its flag leaves,leaf area index (4.25), shoot reserve translocation (34.97%), grain dry matter accumulated from current photosynthesis (85.87%) , higher filled grains per panicle and 1000 grain weight] than others varieties and the lowest (4.28 t ha-1) was obtained from BRRIdhan45 at raised transplant condition. Conclusions: The results showed that Low land transplant condition with BRRI hybrid 3 showed the best performance regarding growth, yield and yield contributing characters of Boro rice varieties than others.
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