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Acharya N G Ranga Agricultural University, Guntur

The Andhra Pradesh Agricultural University (APAU) was established on 12th June 1964 at Hyderabad. The University was formally inaugurated on 20th March 1965 by Late Shri. Lal Bahadur Shastri, the then Hon`ble Prime Minister of India. Another significant milestone was the inauguration of the building programme of the university by Late Smt. Indira Gandhi,the then Hon`ble Prime Minister of India on 23rd June 1966. The University was renamed as Acharya N. G. Ranga Agricultural University on 7th November 1996 in honour and memory of an outstanding parliamentarian Acharya Nayukulu Gogineni Ranga, who rendered remarkable selfless service for the cause of farmers and is regarded as an outstanding educationist, kisan leader and freedom fighter. HISTORICAL MILESTONE Acharya N. G. Ranga Agricultural University (ANGRAU) was established under the name of Andhra Pradesh Agricultural University (APAU) on the 12th of June 1964 through the APAU Act 1963. Later, it was renamed as Acharya N. G. Ranga Agricultural University on the 7th of November, 1996 in honour and memory of the noted Parliamentarian and Kisan Leader, Acharya N. G. Ranga. At the verge of completion of Golden Jubilee Year of the ANGRAU, it has given birth to a new State Agricultural University namely Prof. Jayashankar Telangana State Agricultural University with the bifurcation of the state of Andhra Pradesh as per the Andhra Pradesh Reorganization Act 2014. The ANGRAU at LAM, Guntur is serving the students and the farmers of 13 districts of new State of Andhra Pradesh with renewed interest and dedication. Genesis of ANGRAU in service of the farmers 1926: The Royal Commission emphasized the need for a strong research base for agricultural development in the country... 1949: The Radhakrishnan Commission (1949) on University Education led to the establishment of Rural Universities for the overall development of agriculture and rural life in the country... 1955: First Joint Indo-American Team studied the status and future needs of agricultural education in the country... 1960: Second Joint Indo-American Team (1960) headed by Dr. M. S. Randhawa, the then Vice-President of Indian Council of Agricultural Research recommended specifically the establishment of Farm Universities and spelt out the basic objectives of these Universities as Institutional Autonomy, inclusion of Agriculture, Veterinary / Animal Husbandry and Home Science, Integration of Teaching, Research and Extension... 1963: The Andhra Pradesh Agricultural University (APAU) Act enacted... June 12th 1964: Andhra Pradesh Agricultural University (APAU) was established at Hyderabad with Shri. O. Pulla Reddi, I.C.S. (Retired) was the first founder Vice-Chancellor of the University... June 1964: Re-affilitation of Colleges of Agriculture and Veterinary Science, Hyderabad (estt. in 1961, affiliated to Osmania University), Agricultural College, Bapatla (estt. in 1945, affiliated to Andhra University), Sri Venkateswara Agricultural College, Tirupati and Andhra Veterinary College, Tirupati (estt. in 1961, affiliated to Sri Venkateswara University)... 20th March 1965: Formal inauguration of APAU by Late Shri. Lal Bahadur Shastri, the then Hon`ble Prime Minister of India... 1964-66: The report of the Second National Education Commission headed by Dr. D.S. Kothari, Chairman of the University Grants Commission stressed the need for establishing at least one Agricultural University in each Indian State... 23, June 1966: Inauguration of the Administrative building of the university by Late Smt. Indira Gandhi, the then Hon`ble Prime Minister of India... July, 1966: Transfer of 41 Agricultural Research Stations, functioning under the Department of Agriculture... May, 1967: Transfer of Four Research Stations of the Animal Husbandry Department... 7th November 1996: Renaming of University as Acharya N. G. Ranga Agricultural University in honour and memory of an outstanding parliamentarian Acharya Nayukulu Gogineni Ranga... 15th July 2005: Establishment of Sri Venkateswara Veterinary University (SVVU) bifurcating ANGRAU by Act 18 of 2005... 26th June 2007: Establishment of Andhra Pradesh Horticultural University (APHU) bifurcating ANGRAU by the Act 30 of 2007... 2nd June 2014 As per the Andhra Pradesh Reorganization Act 2014, ANGRAU is now... serving the students and the farmers of 13 districts of new State of Andhra Pradesh with renewed interest and dedication...

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Subject: Agronomy × End date: 2022 × Start date: 2022 × Type: Thesis × Thesis Type: Ph.D ×
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    ThesisItemOpen Access
    TILLAGE AND NUTRIENT MANAGEMENT OPTIONS FOR MANAGING PRODUCTIVITY AND PROFITABILITY OF DIRECT SEEDED RICE – GREENGRAM SEQUENCE
    (guntur, 2022-08-08) NAGARJUNA, POLAGANI; VENKATESWARLU, B.
    A field experiment entitled “Tillage and nutrient management options for managing productivity and profitability of direct seeded rice-greengram sequence” was conducted for two consecutive years (2019-20 and 2020-21) on clay loam soils of the Agricultural College Farm, Bapatla. The experimental site was uniform in topography and homogeneously fertile. The soil pH was slightly alkaline in reaction, low in organic carbon, low in available nitrogen, medium in available phosphorus and high in potassium. The kharif experiment on rice consisted of four tillage practices viz., Dry seeding on puddled soil (T1), Reduced tillage (T2), Minimum tillage (T3) and Conventional tillage (T4); as horizontal strip treatments. Five nutrient management treatments to rice viz.,100% STBN through fertilizer (N1), 75% STBN through fertilizer + 25% N through FYM (N2), 50% STBN through fertilizer + 50% N through FYM (N3), 75% STBN through fertilizer + 25% N through cured poultry manure (N4) and 50% STBN through fertilizer + 50% N through cured poultry manure(N5) as vertical strip treatments. All the treatments were randomly allocated in three replications in a strip plot design. During rabi, the experiment was continued in the undisturbed plot to find out the residual effect of the treatments imposed to rice were studied (strip plot design) on succeeding greengram. The cultivers used in the investigation were Samba Mashuri (rice) and LGG 460 (greengram) respectively. xxiv Conventional tillage (T4) recorded significantly higher growth parameters of rice viz., plant height, number of tillers m-2, drymatter production and CGR but were comparable with dry seeding on puddled soil (T1) treatment with similar trend in both the years of study. The lowest growth parameters were recorded with minimm tillage (T3). The influence of tillage practices exhibited non significant associated with respect to LAI, RGR, NAR and SPAD readings. Nutrient combination comprising 50% STBN through fertilizer and 50% N through cured poultry manure (N5) registered significantly the highest plant height, number of tillers m-2, drymatter production, leaf area index at harvest. SPAD, CGR, RGR and NAR were also recorded highest under N5 treatment and were comparable with 75% STBN through fertilizer with 25% N through cured poultry manure (N4) treatment regarding all growth parameters. The lowest growth parameters were registered with 100% STBN through fertilizer (N1) treatment. Yield attributes viz; number of panicles m-2, total number of grains panicle-1, number of filled grains panicle-1 and grain yield panicle-1 were significantly higher under conventional tillage but was comparable with dry seeding on puddled soil (T1). Panicle length and test weight of rice did not alter to an infeasible extent during both the years of study. Application of 50% STBN through fertilizer and 50% N through cured poultry manure (N5) registered higher number of panicles m-2, total number of grains panicle-1, panicle lenght, number of filled grains panicle-1 and grain yield panicle-1 which was however comparable with N4 treatment. Various nutrient management practices did not influence the test weight of rice during both the years of study. Supply of either 100% STBN through fertilizers (N1) or with minimum tillage concept resulted in the lowest yield attributes during both the years of study. Significantly higher grain and straw yields were observed with conventional tillage (T4) and the lowest yields were registered under minimum tillage (T3) during both the years of study. Significantly the highest grain and straw yields were recorded with application of 50% STBN through fertilizer and 50% N through cured poultry manure (N5), which was however comparable with N4 treatment and the lowest yields were exhibited in 100% STBN through fertilizer (N1) treatment during both the years of study. Nutrient content and uptake of nitrogen, phosphorus and potassium at different growth stages of rice were significantly influenced by tillage as well as nutrient management practices and the highest values were recorded with conventional tillage (T4) and 50% STBN through fertilizer blended with 50% N through cured poultry manure (N5). Grain nutrient content of nitrogen, phosphorus and potassium were uninfluenced by various tillage practices. With respect to nutrient management practices, higher nutrient content and uptake nitrogen, phosphorus and potassium were associated with combined application 50% STBN through fertilizer and 50% N through cured poultry manure (N5) xxv but were comparable with N4 treatment and the lowest yields were registered under 100% STBN through fertilizer (N1) treatment during both the years of study. Analysis of economic return indicated that conventional tillage (T4) was superior to other treatments, however which was comparable with T1 treatment. Further nutrient management supplying 50% STBN through fertilizer along and 50% N through cured poultry manure (N5) registered higher economic return but was comparable with N4 treatment. The lowest economic return was realized with 100% STBN through fertilizer (N1) treatment during both the years of study. Plant height, drymatter accumulation, CGR, LAI, RGR, NAR and SPAD readings of succeeding greengram were significantly affected by residual outcome of diversified nutrient management practices imposed in rice during both the years of study. The residual effect of nutrient supply to kharif rice comprising 50% STBN through fertilizer + 50% N through cured poultry manure resulted in the higher growth parameters, but were however on a par with the treatments N4 and N3. Similarly, SPAD values registered under the treatment supplying with 50% STBN through fertilizer + 50% N through cured poultry manure was also on a par with N4, N3 and N2 treatments. Tillage practices and their interaction with nutrient management practices did not exhibit significant influence on growth parameters of succeeding greengam. Yield attributes, yield, nutrient uptake and economic return of rabi greengram were significantly influenced by nutrient management treatments imposed to kharif rice, but not by the tillage practices or their interaction. Among the nutrient management treatments, conjuctive use of either 50 or 75% STBN through fertilizer + 50 or 25% N through cured poultry manure, respectively; resulted in manifesting significant superiority over the other treatments. Physical properties of soil viz; pH and EC after harvest of rice and greengram were not influenced significantly by either the tillage or nutrient management treatments imposed to kharif rice crop. Total system productivity (total rice equivalent yield) was the highest with conventional tillage (T4) which was however on a par with T1 treatment under various tillage practices. With respect to nutrient management treatments, application of 50% STBN through fertilizer along with 50% N through cured poultry manure (N5) treatment to kharif rice manifested was significantly superiority over rest of the treatments but was comparable with N4 treatment during both the years of study.