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University of Agricultural Sciences, Bengaluru

University of Agricultural Sciences Bangalore, a premier institution of agricultural education and research in the country, began as a small agricultural research farm in 1899 on 30 acres of land donated by Her Excellency Maharani Kempa Nanjammanni Vani Vilasa Sannidhiyavaru, the Regent of Mysore and appointed Dr. Lehmann, German Scientist to initiate research on soil crop response with a Laboratory in the Directorate of Agriculture. Later under the initiative of the Dewan of Mysore Sir M. Vishweshwaraiah, the Mysore Agriculture Residential School was established in 1913 at Hebbal which offered Licentiate in Agriculture and later offered a diploma programme in agriculture during 1920. The School was upgraded to Agriculture Collegein 1946 which offered four year degree programs in Agriculture. The Government of Mysore headed by Sri. S. Nijalingappa, the then Chief Minister, established the University of Agricultural Sciences on the pattern of Land Grant College system of USA and the University of Agricultural Sciences Act No. 22 was passed in Legislative Assembly in 1963. Dr. Zakir Hussain, the Vice President of India inaugurated the University on 21st August 1964.

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2015 - 2019182020 - 20226
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Subject: Agricultural Engineering × Start date: 2012 × Thesis Type: M.Tech. ×
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Now showing 1 - 9 of 24
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    ThesisItemOpen Access
    DEVELOPMENT OF SOLAR-CUM-BIOMASS ENERGY HYBRID DRYER FOR SIMAROUBA LEAVES
    (University of Agricultural Sciences, Bangalore, 2020-11-30) BHUVA SACHIN SANATKUMAR; Darshan, M B
    Solar-cum-biomass energy hybrid dryer, an integration of both solar and biomass energy dryer was developed for bulk drying of simarouba leaves especially in non electrified areas. The major components of the dryer are drying chamber, solar energy collection chamber and heat exchanging unit. Glazing materials (Acrylic sheet, Ethylene vinyl alcohol film, Fibre glass, Polyethylene film, Polycarbonate sheet and Polyvinyl chloride sheet) for effective harness of solar energy was selected based on an effective temperature profile inside the solar energy collection chamber. Polycarbonate sheet was found to be best due to its high temperature profile, average maximum temperature of 43.1 oC and average daily temperature of 38.4 oC. Drying of simarouba leaves using hybrid dryer was carried out and compared with sun drying, shade drying, tray drying, solar drying and biomass drying methods. Leaf moisture content was reduced approximately from 64% to 10% in all drying methods. Drying period in hybrid drying (20 h) was found to be shorter as compared to sun (32 h), shade (56 h) and solar drying (34 h). Fuel requirement for combustion of briquette for energy source was found 33% lower for hybrid dryer as compared to biomass dryer. Total cost of hybrid dryer was lower as compared to tray dryer of the same capacity. Simarouba leaves dried under hybrid dryer retained about 74.65% and 76.84% of total phenols and total flavonoids, respectively as compared to fresh leaves. Therefore, solar-cum-biomass energy hybrid dryer would be cost effective and well suitable to dry simarouba leaves in non-electrified areas.
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    ThesisItemOpen Access
    PROCESS OPTIMIZATION FOR DEVELOPMENT OF KODO MILLET (Paspalum scrobiculatum) AND RED RICE (Oryza sativa L.) BLENDED READY TO COOK PASTA AND VERMICELLI
    (University of Agricultural Sciences, Bangalore, 2022-12-08) VISHWARADHYA M BIRADAR; VIRESH KUMARGOUDA
    Modern Food industry is searching for food products with high nutritional valuewith great taste to satisfy consumer needs. The addition of nutrient-rich ingredients intofoods improves the health status of the majority of the population. The present study was carried out to develop cold extrudates from kodo millet and red rice. Cold extrudedproducts were developed by incorporation of kodo millet flour and red rice flour with wheatflour at varying levels. The blend was cold extruded at optimized extrusion conditions andthe resultant pasta products were assessed for their sensory and cooking characteristics.Pasta and vemicelli incorporated with composite blend (100%) containing 60 % kodomillet flour and 40 % wheat flour, 60 % of red rice flour and 40 % of wheat flour and 50% of red rice flour, 20 % of kodo millet flour and 30 % of wheat flour incorporation werefound to have optimum cooking characteristics and more acceptance than othercombinations. These products were packed in metalized polyester (50 μm) packagingmaterial and kept at ambient conditions for three months storage studies. The qualityparameters i.e., moisture content, sensory evaluation and microbial analysis wereconducted after every 15 days interval for a storage period of three months. The effect ofstorage time was found to be significant on cold extrudates quality parameters andindicated that pasta and vermicelli were acceptable up to two months without anypreservative under ambient conditions.
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    ThesisItemOpen Access
    POPPING STUDIES OF FINGER MILLET (Eleusine coracana)
    (University of Agricultural Sciences, Bangalore, 2021-02-18) RAMYA, C .S; Dr. Palanimuthu, V
    A study was undertaken to identify finger millet varieties suitable for popping; to evolve grain pretreatments before popping to improve popping characteristics; and to evaluate different puffing techniques for popping finger millet. Ten finger millet varieties (GPU28, GPU45, GPU48, GPU66, GPU67, KMR204, KMR301, KMR340, KMR630, VL376) were selected for popping. First, physical (size, bulk &true density, 1000 kernel weight, tristimulous colour, terminal velocity, angle of repose &frictional properties) and biochemical properties (moisture, carbohydrates, protein, fat, ash &crude fiber) of different varieties were studied. All varieties were popped by conventional sand puffing method to get popped products. Among varieties, GPU66, KMR630, GPU67 and KMR340 were found to be more suitable for popping based on popping characteristics (popping yield, popping effectiveness, unpopped kernel percent, volumetric expansion ratio) product bulk density, texture, colour and sensory quality. From various combinations of grain moisture and salt/buttermilk preconditioning treatments, 19% initial grain moisture with salt water treatment @2% w/w was found best to obtain good quality popped finger millet product. Among four puffing methods (pan roasting, sand puffing, hot air puffing and gun puffing) employed for finger millet popping, the sand puffing method was better if only popping characteristics were considered. However, the popped product from this method often contained fine sand particles and some scorched grains while gun puffing resulted in very appealing, clean, uniform, spherical popped kernels without any impurities. Since popping yield (74.18%) and popping effectiveness (79.31%) were also high, the gun puffing technique was identified as the best for popping finger millet.
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    ThesisItemOpen Access
    ASSESSMENT OF ORCHARD CROP YIELD UNDER DIFFERENT SOIL AND WATER CONSERVATION MEASURES BY ANALYZING DIFFERENT VEGETATION INDICES THROUGH UNMANNED AERIAL VEHICLE
    (University of Agricultural Sciences, Bangalore, 2020-12-04) AKASHA DEEPA, P U; RAVIKUMAR, B C
    In order to assess crop yield at different soil moisture levels the present study was conducted with soil moisture conservation structures like crescent bundin GKVK campus, UAS, at northern part of Bengaluru city located in the southeast of the South Indian state of Karnataka. Crop yield and soil moisture relations for Sapota (Chikoo) trees under crescent bunds and control condition were compared using different vegetation indices by remote sensing image processing techniques. Both the lab and field methods were used to determine soil moisture status at depth of 0-15 cm, 15-30 cm and 30-45 cm from the soil surface and at a distance of 30 cm, 60cm and 90 cm from the tree trunkrespectively. The results were statistically analyzed using Paired T-test and Pearson’s correlation analysis which showed that the difference in soil moisture between the two treatments was significant and also showed that there exists a linear relationship with a strong correlation in between soil moisture and the yield by having the Pearson coefficient in both the conditions nearly equal to 1. The spectral signatures developed revealed that the trees under the control condition were under water stress compared to trees under the crescent bunds. The study revealed that by adopting the crescent bunds in the fields helps in conserving the soil moisture which contributes to the yield in case of rainfed agriculture. The study also shows that the VARI serves as an effective tool in determining the crop under water stress.
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    ThesisItemOpen Access
    UTILIZATION OF FOOD PROCESSING WASTE FOR THE PRODUCTION OF BIOGAS AND ENERGY GENERATION
    (University of Agricultural Sciences GKVK, Bangalore, 2020-11-09) SOURABH AJIT, CHOUGALA; VIRESH, KUMARGOUDA
    The present study was undertaken to investigate the utilization of food processing waste for the production of biogas and energy generation in INDUS Bio Product plant. For investigation of biogas and energy generation, the food waste coming out of the plant namely wastes of carrot, tomato, gherkins, watermelon, papaya, jamun, rasgulla, nippattu and cooked food were collected. The physico-chemical characteristics of the food waste namely moisture, total solids, volatile solids, pH, carbon, nitrogen and carbon: nitrogen were investigated in order to study the biogas production. Characteristics of the food waste by keeping the food waste in anaerobic condition and the gas production was monitored and recorded for every week up to two months. Further, the biogas plant located at Indus bio plant was evaluated in order to check its performance by recording the volume of biogas production by feeding eight tonnes of selected food waste. The daily gas production was recorded for duration of three months and the average daily gas production 561.47 m3 was observed. The maximum gas production of 581 m3 was recorded at a temperature of 34˚C and this was further purified by removing the CO2 and H2S using water scrubbing. An average of 645 kWh of electricity was generated out of the produced purified gas and used for various purposes. It was concluded that the plant was economically viable and environmentally suitable with a payback period of 2.1 year. Keywords: Food processing waste, anaerobic digestion, biomethane characteristics, biogas production, water scrubbing, and electricity generation
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    ThesisItemOpen Access
    STUDIES ON RAIN WATER BALANCE OF MICRO CATCHMENTS UNDER FINGERMILLET CROPPING SYSTEM IN ALFISOLS OF BANGALORE
    (University of Agricultural Sciences, Bangalore, 2020-10-01) LAXMAN, JAMADAR; Ashoka, H.G.
    The study on rain water balance of micro catchments under finger millet cropping system of alfisols was carried out at the AICRP & DA, GKVK, UAS Bangalore to work out the rain water balance for different soil and water conservation measures with varied slopes viz., 1.9 %, 2.24 % and 2.1 %. The total rainfall and ET crop during the finger millet cropping period was 604 mm and 250.98 mm respectively. The lowest and the highest runoff was observed in T1 (150.98 mm) and T4 (230.43 mm) respectively. Also the highest deep percolation was observed in T1 (170.64 mm). In general the study reveals a negative water balance for the finger millet crop during the year under study. Higher soil moisture, plant height (87.52 cm at harvest), number of tillers (51.50 at harvest), grain yield (2512 kg ha-1), net returns (Rs.53923 ha-1) and B:C ratio (3.09) was found in T1 due to higher moisture conserved by the trenches and reduced runoff and soil loss. From the investigation conducted, it is concluded that contour trenches at 10 m spacing was found to be efficient in reducing both runoff and soil loss and enhanced crop productivity.
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    ThesisItemOpen Access
    DEVELOPMENT OF WHOLE GRAIN FLAKES FROM FOXTAIL MILLET (Setaria Italica L.)
    (University of Agricultural Sciences, Bangalore, 2018-08-01) SIDDESHWARA, G.N.; Eswarapppa, H.
    An investigation was undertaken to explore the potential of foxtail millet for development of foxtail millet flakes. The process parameters are soaking for 24 hours; cooking at 85ᵒC/10 minutes and drying at 65ᵒC for 1 hour were found to be optimum than other treatments for producing good quality flakes. The flakes were subjected to evaluation of physico-chemical, nutrient, sensory, and storage quality of flakes. Thousand flake weight and volume of the millet flakes were 2.36g and 14.97 ml, respectively with bulk density and true density of 0.15 g/ml and 0.37 g/ml respectively. The expansion ratio of Foxtail Millet Flakes was 8.04. The millet flakes had water holding capacity (13.14%), water absorption capacity (198.8%), water absorption index (196.98), water solubility index (2.57) and oil absorption capacity (99.7%). The millet flakes had moisture, fat, protein, total ash, crude fibre, carbohydrate and energy of 9.80, 0.69, 13.21, 1.23, 9.06, 63.40 per cent and 271 kcal, respectively. The microbial load was within permissible limit during storage period. The foxtail millet flakes were most acceptable in terms of sensory quality and had shelf life of two months at ambient temperature. It was concluded that foxtail millet flakes preparation could be a main avenue for utilizing foxtail millets.
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    ThesisItemOpen Access
    EVALUATION OF DRIP IRRIGATION SYSTEM OF DIFFERENT MANUFACTURERS IN FARMERS’ FIELD OF BENGALURU RURAL DISTRICT
    (University of Agricultural Sciences, Bangalore, 2018-08-01) AJAY KUMAR, H.P.; Ashoka, H.G.
    The study was undertaken in Bengaluru rural district to evaluate and to assess the performance of the different companies drip irrigation systems in farmers’ fields. The farmers’ information was collected from Department of Horticulture. There are 15 farmers’ fields were selected for 5 different companies with 3 fields for each companies. The results of design evaluation showed that, 9 fields having good operating system and the 6 fields are not capable to operate the system, which results in poor performance of the system. The hydraulic parameters such as coefficient of manufacturer variation, emission uniformity, uniformity coefficient, application efficiency and distribution efficiency are found excellent at both 0.75 and 1.00 kg/cm2 operating pressure for all the irrigation companies, but the emitter flow variation is acceptable only for Jain and Sujay irrigation system at 1.00 kg/cm2 operating pressure. However not acceptable at 0.75 kg/cm2 for all the irrigation companies. The pressure variation between the inlet and outlet is not acceptable at 0.75 kg/cm2 and acceptable at 1.00 kg/cm2 for all the five irrigation companies. The value of emitter exponent and discharge coefficient varied between 0.37 to 0.79 and 2.72 to 3.34 respectively. This indicates that flow is almost turbulent. Hence all company drippers were found to be in the range of non-pressure compensating. The Jain irrigation company having better hydraulic efficiency followed by Sujay, Godavary, Megha and Vedantha irrigation Company. The cost of installation per acre for all the systems was found to be in the range of Rs. 44000/- to 50000/-.
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    ThesisItemOpen Access
    INFLUENCE OF DIFFERENT LAND USE SYSTEMS AND SOIL-WATER CONSERVATION MEASURES ON RUNOFF MANAGEMENT USING GEO-INFORMATICS APPROACH IN HALAYAPURA MICRO-WATERSHED, TUMKUR DISTRICT
    (University of Agricultural Sciences, Bangalore, 2018-08-01) VINOD KUMAR, S.; RAVIKUMAR, B.C.
    Different land use systems and their response to hydrologic characteristics considered as most important issue in runoff estimation. Fragmentation of farm holding became imperative resulted in intensive agricultural activities. More resource conservative practices for insitu moisture conservation and water storage in farm land lead to less runoff contribution. In order to characterize watershed behavior and runoff contribution, the present study was conducted at Halayapura micro- watershed, Karnataka state with geographical area of 503 ha. The main objective of this study was to determine the potential impacts of the land use land cover (LULC) and soil-water conservation measures on runoff. Natural Resources Conservation Service (NRCS-CN) curve number method was used for runoff estimation. LISS-IV multispectral and Cartosat-1 PAN merged satellite Imagery, toposheet from Survey of India and cadastral maps were used as base maps. Detailed soil and land characteristics viz. soil phase, soil texture, land slope, soil depth, current land use and land cover patterns, water harvesting structure along with bund status were recorded. In order to store, edit and preparation different thematic maps, a geodatabase was developed using Geographical Information System tools. The maximum storm event for 40 years return period of 152.40 mm was considered for runoff estimation. The run-off from all the land use systems contributed to stream outlet was estimated as 77.16 mm, 107.38 mm and 130.84 mm for AMC-I, AMC- II and AMC-III conditions respectively. Developed Geodatabase and thematic maps found more reliable in runoff estimation. These resources are useful for decision making and further analysis.