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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 × Author: ARUNAKUMARI, H × End date: 2018 × Start date: 2015 × Thesis Type: Ph.D ×
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    ThesisItemOpen Access
    PHOSPHORUS MANAGEMENT IN RICE-SORGHUM SEQUENCE
    (Acharya N.G. Ranga Agricultural University, 2018) ARUNAKUMARI, H; MARTIN LUTHER, M
    A field experiment entitled “Phosphorus management in rice-sorghum sequence” was conducted for two consecutive years (2016-17 and 2017-18) on clay loam soils of Agricultural College Farm, Bapatla. The soil pH was slightly alkaline in reaction and low in organic carbon, low in available nitrogen, medium in available phosphorus and high in potassium. The experiment consisted of four sources of phosphorus as main plot treatments viz., inorganic fertilizer phosphorus through SSP (M1), green manuring in-situ with dhaincha @ 25 kg ha-1 (M2), phosphorus solubilizing bacteria biofertilizer @ 750 ml ha-1 (M3) and green manuring in-situ with dhaincha @ 25 kg ha-1 + phosphorus solubilizing bacteria biofertilizer @ 750 ml ha-1 (M4); three phosphorus levels to rice as sub plot treatments viz., 50 (S1), 100 (S2) and 150 % RDP (S3) and three phosphorus levels as sub-sub plot treatments viz., 0 (F1), 50 (F2) and 100 % RDP (F3) to succeeding sorghum. All treatments are randomly allocated in three replications in a split plot design for kharif season and split-split plot design for rabi season in both the years of study. The most popular and fine grain quality rice variety i.e., BPT-5204 and popular sorghum hybrid CSH-16 were used during the experimental period. Data collected on growth parameters, yield attributes, yield and nutrient uptake of rice were subjected to statistical analysis which indicated that all the characters studied were significantly higher with the application of green manuring + PSB (M4) over other sources of phosphorus; however, it was found on a par with that of green manuring (M2) alone whereas significantly lower values were observed with the application of inorganic fertilizer phosphorus through SSP during both the years of study and in pooled data. Growth and yield parameters of rice were not significantly affected by different levels of phosphorus; however, maximum value was found with 150 % RDP followed by 100 and 50 % RDP during both the years of study and in pooled data. xxi A significant interaction between source and levels of phosphorus in rice was observed for drymatter accumulation, the interaction was found to be significant at 60 DAT during 1st year of study with a treatmental combination of green manuring + PSB along with 150 % RDP (M4S3) which was on a par with M4S2, M4S1, M2S3, M2S2 and M2S1 and significantly superior to other treatmental combinations. Number of grains panicle-1 during 2016-17, grain yield during 2016-17 and 2017-18 showed significant interaction with green manuring + PSB along with 150 % RDP (M4S3) than other treatmental combinations which was at par with M4S2, M4S1, M2S3, M2S2 and M2S1 and significantly superior to rest of the treatmental combinations. Partial factor productivity for phosphorus was higher with green manuring + PSB (M4) followed by application of green manuring alone (M2). Among the phosphorus levels, 50 % RDP showed higher partial factor productivity during both the years of study. Growth parameters, yield attributes, grain yield, stover yield, nutrient uptake and economic returns of sorghum were significantly influenced by the source of phosphorus applied to preceding rice but levels of phosphorus did not show any significant effect. Interaction between sources and levels of phosphorus in rice on succeeding sorghum was significant in terms of grain yield during 2016-17 only. With regard to P levels to sorghum, 100 % RDP (F3) was found to be superior over 0 % RDP (F1) but was comparable with 50 % RDP (F2). There was no significant interaction on growth and yield parameters of sorghum among the sources and levels of phosphorus given to rice and levels of phosphorus to sorghum. The availability of N, P and K status after harvest of sorghum decreased due to high uptake of nutrients during both the years of study. Highest P availability was observed with the treatmental combination of 150 % RDP to rice and 100 % RDP to sorghum (S3F3) which was comparable with S3F2 and significantly superior to other treatmental combinations. Pooled data of 2016-17 and 2017-18 showed that maximum return per rupee invested of rice-sorghum sequence was recorded with treatment combination of green manuring + PSB, 50 % RDP to rice and 50 % RDP to sorghum (M4S1F2). From the investigation of two consecutive years with source and levels of phosphorus to rice and levels of phosphorus applied to succeeding sorghum, it can be concluded that the rice-sorghum sequence was profitable with incorporation of green manuring in-situ with dhaincha + PSB along with 50 % RDP to rice, 50 % RDP to succeeding sorghum in Krishna zone of Andhra Pradesh instead of going for higher levels of phosphatic fertilizers thereby getting optimum yield of rice and sorghum and improved soil health.