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  1. Kerala Agricultural University Digital Library
  2. 1. KAUTIR (Kerala Agricultural University Theses Information and Retrieval)
  3. PG Thesis
a
Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/8034
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dc.contributor.advisorSubramonia Aiyer, N-
dc.contributor.authorVijayan, M R-
dc.date.accessioned2020-07-17T05:13:46Z-
dc.date.available2020-07-17T05:13:46Z-
dc.date.issued1968-
dc.identifier.citationCoAV TH-135en_US
dc.identifier.siciCoAV TH-135en_US
dc.identifier.urihttp://hdl.handle.net/123456789/8034-
dc.description.abstractAn investigation was carried out at the Agricultural College and Research Institute, Vellayani during the year 1966-68 to evolve a suitable diagnostic technique for the nutritional status of nitrogen and phosphorus in two varieties of tapioca (M-4 and H-105) by foliar analysis. The response of the two varieties to graded doses of nitrogen (0.75 and 150 kg. N/ha.) and phosphorus (0.50 and 100 kg. P2O5/ha.) and their interaction in relation to the pattern of uptake, yield and quality of tubers were also investigated. Potassium and calcium were kept constant at 250 kg and 1200 kg. per hectare respectively. A split - plot experiment in R.B.D. with three levels each of nitrogen and phosphorus in factorial combinations as major treatments and with the two varieties as minor treatments, was laid out. Leaf leminae and peticles each grouped into three morphological categories. were used for testing the suitability for the diagnostic analysis. The plant part thus standardised (reflect) was analysed at three stages of growth for nutrient content. Biometric observations were recorded at three stages of growth. Yield components and quality factors of tuber were assessed in relation to nutrition of the plants.en_US
dc.language.isoenen_US
dc.publisherDivision of Agricultural Chemistry, Agricultural College and Research Institute, Vellayanien_US
dc.subjectFoliar analysisen_US
dc.subjectNutritional requirements of tapiocaen_US
dc.subjectQuality of tubersen_US
dc.subjectEdible portion of tubersen_US
dc.subjectStarch contenten_US
dc.subjectCrude protein contenten_US
dc.subjectHydrocyanic acid contenten_US
dc.subjectTapioca-
dc.titleStudies on foliar diagnosis, yield and quality of Tapioca (Manihot utilissima Pohl.) in relation to nitrogen and phosphorusen_US
dc.typeThesisen_US
Appears in Collections:PG Thesis

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