Basavaraj Chittapur

• B. Sc. (Agri.), M. Sc. (Agri.), Ph D (Agronomy)
• University of Agricultural Sciences Raichur

Sandalwood (Santalum album L.) is highly prized tree spreading across agrarian landscape for its commercial value particularly the sweet fragrant aromatic oil. The tree occurs in varied climate and soil, however, successful establishment of commercial sandalwood plantation is rather difficult mainly due to its non-specific root parasitization, and...

Field experiments were conducted during Kharif 2020 and 2021 to study the effect of in-situ moisture conservation practices on yield and economics of sunflower and pigeonpea intercropping in Vertisols of Northern Karnataka. Treatments consisted of broad bed and furrow, ridges and furrow, tied ridging, conservation tillage, flatbed and opening furro...

Aims: To identify the weed species in Bt cotton under Tunga-bhadra project command area and to study the effect of sequential application of pre- emergent (PE) and post- emergent herbicides (PoE) on weed growth and to know the efficiency of different weed control practices on weed species. Study Design: The experiment was laid in RBD (Randomized Bl...

Aims: To identify the weed species in Bt cotton under Tunga-bhadra project command area and to study the effect of sequential application of pre- emergent (PE) and post- emergent herbicides (PoE) on weed growth and to know the efficiency of different weed control practices on weed species. Study Design: The experiment was laid in RBD (Randomized Bl...

A field experiment was conducted during growing seasons of 2014–15 and 2015–16 at College of Agriculture Farm, University of Agricultural Sciences, Raichur, Karnataka, to study the effect of nutrient management on cotton (Gossypium Hirsutum L.) productivity and leaf reddening for targeted yield on medium deep black soil under irrigation. Three yiel...

A field experiment was conducted during 2014–15 and 2015–16 at College of Agriculture, University of Agricultural Sciences, Raichur, Karnataka, India, to study the interaction between cultivars (‘Bindas’, ‘Bunny-Bt’, ‘ATM’ and ‘Dr. Brent’) and planting time (II fortnight of June, and I and II first fortnights of July and August) on leaf reddening,...

The survey was carried out during November 2015 in selected cotton fields of seven villages viz., Kalmala, Jagir Venkatapur and Ijapur of Raichur district and Gogi, Ulalkal, Hothpet and Maddarki villages of Yadgir districts covering part of TBP and UKP irrigation commands, respectively. The villages were selected based on the predominance of cotton...

Background: Agronomic practices like supplemental irrigation, nipping, foliar nutrition of macro and micro nutrients and growth regulators are important for realizing the maximum yield potential in transplanted Pigeonpea. Hence the present study was carried out in combination with agronomic production management practices via supplemental irrigatio...

A field experiment was conducted during rabi, 2020-21 at MARS, UAS Raichur to study the bio-efficacy of herbicides in linseed (Linum usitatissimum L.). The study revealed The results revealed that application of pendimethalin 38.7 % CS @ 750 g a.i. ha-1 as pre-emergence fb metsulfuron methyl 20 % WP @ 4 g a.i. ha-1 at 2-3 leaf stage of weeds as pos...

An investigation was carried out to assess the directional and spatial influence of bund planted teak trees on chickpea grown in association during 2020-21 in Northern Dry Zone (Zone III) of Karnataka, India. At short distance from the tree lines, growth attributes of chickpea were significantly reduced on western and eastern directions of North-So...

A field study was conducted during rabi 2020-21 at ICAR-KVK, UAS, Raichur (16 Ë% 125 N, 77 Ë% 205 E and 389 m) with an objective to assess the effect of foliar sprays of nano N and nano Zn on growth and yield of sweet corn crop. The experiment was laid out in the Randomized Complete Block Design (RCBD) with thirteen different nutrient treatments co...

The field experiment was conducted at Main Agricultural Research Station, Raichur on medium black soil during kharif, 2017 to study response of cotton (Gossypium hirsutum L.) varieties to varied sowing dates and nutrient levels. Among the varieties, BGDS-1063 produced significantly higher plant height and dry matter production per plant (126.62 cm...

Radiation use efficiency (RUE), heat use efficiency (HUE), biomass production and grain yield of contrasting heat tolerant summer maize hybrids and irrigation regimes during hot summer in subtropics of India were assessed. Experiment was conducted with RCRMH-1, RCRMH-2 and Arjun hybrids under well-watered based on 1.0 IW/CPE (I1), mild stress at 0....

In recent past agroforestry systems have been recognized as sustainable land use system over conventional agriculture. However, the major obstacle in up scaling of this tree based land use systems is the difficulty in quantification and demonstration of the ecological and economical sustainability as compared to agriculture. Nevertheless, energy an...

Background: The measure of energy flow in crop production system provides a good indicator of the production of technological aspects of crop production systems in agriculture. Sustainable agricultural management technologies should be studied in terms of increased productivity, profitability, energy saving and efficiency of agricultural inputs usa...

An investigation was carried out to assess the directional and spatial influence of bund planted neem trees on pigeonpea grown in association during 2018–19 in semi-arid tropics of Karnataka, India. At short distance from the tree lines, growth attributes of pigeonpea were significantly reduced on western and eastern directions of North–South tree...

Untenable expansion of cultivated lands and intensive agriculture accentuating the release of greenhouse gases (GHGs) into the atmosphere are warranting need for effective strategies to reduce the emission of green house gases associated with land use. Tree-based land use system has been emphasized as an effective strategy across ecological regions...

Agroforestry, of late, is drawing more attention in the world as vagaries of climate change take the spotlight. However, still traditional systems prevail on farms and the type and composition of the tree species, their distribution and extent vary with the biophysical and socioeconomic factors. Therefore, structural analysis and mapping of agrofor...

Aims: To identify the weed species in Bt cotton under Tunga-bhadra project command area and to study the effect of sequential application of pre- emergent (PE) and post- emergent herbicides (PoE) on weed growth and to know the efficiency of different weed control practices on weed species. Study Design: The experiment was laid in RBD (Randomized B...

A field experiment was conducted at Agronomy Farm, University of Agricultural Sciences, Raichur in 2015-16 on effect of site specific nutrient management, crop establishment methods and date of sowing on growth, yield and economics of Bt cotton. The experiment was laid out in Split Plot Design (SPD) with three replications. Two methods of crop esta...

A field experiment was conducted at main agriculture research station, Raichur (Karnataka, India) during Kharif 2016 to enhance the yield of Bt cotton and improve the economy of farmers under the rainfed situation. The experiment was laid out in split plot design with three land configuration practices as main plots and four different combinations...

A field experiment was conducted at Agronomy Farm, College of Agriculture, University of Agricultural Sciences, Raichur, Karnataka with the objective to know the uptake pattern of NPK with respect to methods of establishment and varied dates of sowing in Bt cotton in the TBP irrigation command. Uptake of N, P and K was significantly higher in trans...

A field experiment was conducted during the Kharif 2016 at Agricultural College farm, Raichur. The results of this experiment revealed that application of 125 per cent RDF recorded significantly higher seed cotton yield (3420 kg ha-1), nutrient uptake (154.24, 34.02 and 174.55 kg N, P and K ha-1) and BC ratio (3.22) compared to 100 per cent RDF (30...

A field experiment was conducted during kharif, 2015-16 at Agricultural College Farm, Raichur to ‘standardize fertigation technology for higher productivity of transplanted pigeonpea [Cajanus cajan (L.) Millsp.] on vertisols’ in the north-eastern dry zone of Karnataka. The results revealed higher number of pods (693.31) seed weight (12.16 g plant-1...

A survey was made to assess the biodiversity in traditional based agroforestry systems under rainfed agroecological situation in north eastern part of Karnataka, India and 27 tree species belonging to 15 families were recorded. Fabaceae was found to be the predominant family accounting for 11 species followed by Meliaceae and Rutaceae with 2 specie...

A field experiment was conducted during rabi 2016-17 to study the influence of varying seed rate and fertilizer levels on yield and quality of linseed. The result of this experiment revealed that crop sown with seed rate @ 30 kg/ha recorded significantly higher seed yield (909 kg/ha), straw yield (1699 kg/ha), harvest index (0.35), fibre yield (124...

A field experiment was conducted to study the influence of different agronomic practices on growth, yield attributes and yield of Bt cotton at the Main Agricultural Research Station, Raichur during Kharif 2016. Nine treatments comprising of normal spaced and fertilized non-Bt (cv. RAHH-455) and Bt hybrid (cv. Bindas) in addition to closer spacing B...

A Field experiment was conducted at Main agriculture research station, University of Agricultural Sciences, Raichur, Karnatka on deep black soil during kharif 2016 to study the yield maximization through in-situ moisture conservation practices in conjunction with nutrient levels in bt cotton. The results of this experiment revealed that there was s...

Trees being important components of biosphere need to be planted and protected on arable land for the ecosystem services they offer for the wellbeing of the earth and its living forms. Area under natural forests is coming down and it is not possible to increase area under forests any more due to other anthropological reasons. Properly designed and...

Rice (Oryza sativa L.) is a main staple for human consumption all over the world. There isever increasing demand for rice with increasing population and that too it has to beproduced on the same stretch of land or less. Secondly, in many of the rice-rice croppingareas the second crop of rice of late is becoming doubtful due to reduced possibility o...

Study on identification of critical nutrient and realization of target yield through site specific nutrient management (SSNM) comprising of five treatments viz., SSNM for target yield of 41 ha⁻¹, N omission, P omission, K omission and Farmers' practice was carried out on farmers' fields on participatory mode. Among all, significantly higher number...

Growing two or more crops together with close proximity has the challenge of utilizing the available resources. Crop yields need to be increased by improving the use efficiency of resources such as water, nutrients and solar energy. Intercropping is often a means to better use of land and other resources. Success of cereal-legume intercropping will...

Impacts of climate change on food security are global and local. The agriculture production is being affected by change in mean rainfall and temperature. The inter-annual and inter-seasonal variation in rainfall pattern interms of distribution and quantum are projected change drastically in larger part of drylands in India. Sunflower being a drough...

A field experiment was conducted to study the response of Bt cotton (Cv. NCH 145 BG II) to foliar nutrition under irrigated condition at Agricultural Research Station, Siruguppa, Karnataka on black cotton soil during growing seasons of 2008-09 and 2009-10. The soil of the experimental plot has pH 8.41 and available N, P and K content of the soil wa...

Plant nutrient management, among various production practices, plays a pivotal role in enhancing productivity and quality of farm produce. Nitrogen being a dominant nutrient particularly in cereals, the main staple for majority, occupies central role in crop nutrition to enhance productivity, but when used in excess pollutes precious ground water....

A field experiment was conducted during the growing season of 2012-13 at Agricultural College Farm, Bheemarayanagudi, Shahapur (Karnataka) under UKP command area to develop effective weed management strategy in Bt cotton. The experiment comprised of 14 treatments having two PRE (diuron, pendimethalin) and five POST (propaquizafop, quizalofop p tefu...

A field experiment was conducted at Raichur, Karnataka, India, during the rainy seasons of 2016 and 2017, to study the response of hybrid maize leaf-colour chart (LCC) to N and evaluate threshold to enhance crop yields, N- use efficiency (NUE) by altering splits as per crop need guided by LCC. Treatments included LCC thresholds of 1, 2, 3, 3.5, 4,...

A field experiment was conducted during the rainy (kharif) seasons of 2016 and 2017 at Gangavathi, Raichur, Karnataka, to study the effect of irrigation scheduling and fertigation on nitrogen and water-use efficiency of drip-ir- rigated direct-seeded rice (Oryza sativa L.) in clay soil. The experiment laid out in split-plot design with 4 irrigation...