POTENTIAL PERFORMANCE OF GROUNDNUT (Arachis hypogaea L.) CULTIVARS TO LEVELS OF NITROGEN

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dc.contributor.advisorPRASAD, P.V.N
dc.contributor.authorVASEEM AKRAM, SHAIK
dc.date.accessioned2022-08-08T11:20:53Z
dc.date.available2022-08-08T11:20:53Z
dc.date.issued2022-08-08
dc.descriptionPOTENTIAL PERFORMANCE OF GROUNDNUT (Arachis hypogaea L.) CULTIVARS TO LEVELS OF NITROGENen_US
dc.description.abstractA field experiment entitled “Potential performance of groundnut (Arachis hypogaea L.) cultivars to levels of nitrogen’’ was conducted during rabi 2020 on sandy loam soils of Agricultural College Farm, Bapatla, Acharya N.G. Ranga Agricultural University, Andhra Pradesh. The experiment was laid out in a Randomized Block Design with factorial concept and replicated thrice. The treatments consisted of three varieties V1: Dharani, V2: Kadiri lepakshi and V3: TAG-24 and four nitrogen levels viz., N1: 0 kg N ha-1 N2: 25 kg N ha-1 N3: 50 kg N ha-1 and N4: 75 kg N ha-1. The results indicated that among the three varieties tested, the plant height of dharani (V1) was significantly taller and found superior over kadiri lepakshi (V2) and TAG -24(V3). The number of branches plant-1recorded with kadiri lepakshi (V2) was significantly higher over other two varieties. The drymatter accumulation observed with kadiri lepakshi (V2) was significantly the maximum over TAG 24 and was found on par with dharani (V1). Similarly number of pods plant-1and number of filled pods plant-1were significantly more with kadiril epakshi (V2), than that of dharani (V1) and TAG -24 (V3). Pod yield, haulm yield and kernel yield were recorded significantly higher with kadiri lepakshi (V2) followed by dharani (V1) over TAG-24. xv Among the four levels of nitrogen tried the growth characters viz., plant height, number of branches plant-1, drymatter accumulation and nodule dry weight were higher with the application of 75 kg N ha-1 followed by 50 kg N ha-1, which were however statistically on par with each other and was found significantly superior to other levels of nitrogen. Similarly, number of pods plant-1, number of filled pods plant-1, pod yield and haulm yield were also registered higher with 75 kg N ha-1 and found significantly superior to that of 25 kg N ha-1 and control respectively. Nitrogen content (%) did not exhibit significant differences with varieties at 30,60 DAS and at harvest. Nitrogen uptake (kg ha-1) was recorded the highest with kadiri lepakshi (V2) followed by dharani (V1), whereas nitrogen content and uptake increased significantly with incremental increase in nitrogen level and higher uptake of N was attained with 75 kg N ha-1, which was on par with 50 kg N ha-1. Protein content recorded was the highest with 75 kg N ha-1 followed by 50 kg N ha-1. The maximum oil content (%) and oil yield (kg ha-1) were obtained with variety kadiri lepakshi (V2) followed by dharani (V1) and the lowest was observed with TAG-24. There was no significant difference observed in respect of oil content and oil yield with increasing levels of nitrogen. The higher gross returns was achieved with kadiri lepakshi (V2) was found on par with dharani (V1). While application of 75 kg N ha-1 recorded the maximum gross returns and it was found on par with 25 kg and 50 kg N ha-1.Net returns and B:C ratio followed the similar trend as that of gross returns with respect to nitrogen levels. With increase in levels of nitrogen application, the soil available N also increased. Application of nitrogen @ 75 kg N ha-1 resulted in significantly higher available soil N, which was however, on par with the treatment that received 50 kg N ha-1. Interaction between varieties and nitrogen levels was found to be non- significant for all parameters studied. It can be concluded from the present investigation that higher growth parameters, yield parameters, gross returns were recorded with kadiri lepakshi (V2) with the application of 50 kg N ha-1 which can be advisable under rainfed conditions of coastal Andhra Pradesh.en_US
dc.identifier.otherD6220
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810186129
dc.keywordsPOTENTIAL PERFORMANCE OF GROUNDNUT (Arachis hypogaea L.) CULTIVARS TO LEVELS OF NITROGENen_US
dc.language.isoEnglishen_US
dc.pages129en_US
dc.publishergunturen_US
dc.subAgronomyen_US
dc.themePOTENTIAL PERFORMANCE OF GROUNDNUT (Arachis hypogaea L.) CULTIVARS TO LEVELS OF NITROGENen_US
dc.these.typeM.Scen_US
dc.titlePOTENTIAL PERFORMANCE OF GROUNDNUT (Arachis hypogaea L.) CULTIVARS TO LEVELS OF NITROGENen_US
dc.typeThesisen_US
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