Studies on irrigation scheduling and fertigation in kinnow mandarin

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dc.contributor.advisorHarminder Singh
dc.contributor.authorAnil Kumar
dc.date.accessioned2021-10-26T10:37:14Z
dc.date.available2021-10-26T10:37:14Z
dc.date.issued2021
dc.description.abstractThe present investigation entitled “Studies on irrigation scheduling and fertigation in kinnow mandarin” was under taken at Dr. J C Bakshi PAU RRS, Abohar during the 2018-19 and 2019-20. In Experiment 1 combination of three level of irrigation (100%, 75% & 50% ET) and three level of fertigation (100%, 75% and 50% RDF) were tried along with flood irrigation and 100% RDF. Tree receiving irrigation @ 100% ET and fertigation @75% RDF recorded higher vegetative growth (tree girth, spread, height and canopy volume), reproductive growth (fruit set, number of fruits and fruit yield), physiological parameters (RLWC, photosynthesis, transpiration, stomatal conductance and total chlorophyll) and produced fruit of better quality (grade, weight, size, TSS, TSS/acid ratio, juice content and ascorbic acid) as compared to control. The optimum growth yield and fruits of better grades and quality were obtained in kinnow tree received irrigation @ 75% ET and fertigation @ 75% RDF. In Experiment 2 the recommended dose of nitrogen (100%, 75% and 50%) and Phosphorous (100%, 75% and 50%) were applied in equal splits in five stages of Kinnow trees. Irrigation was applied @100% ET to all the trees and were tried along with flood irrigation @100% ET and100% RDF. Vegetative growth, reproductive growth, physiological parameters and fruit quality was better in trees receiving 100% nitrogen and 100% phosphorous closely followed by 75% nitrogen and 75% phosphorous during the present studies. In Experiment 3. The potassium fertigation (Muriate of potash@ 1000g, 750g and 500g) was applied at fortnightly intervals in 2, 3 and 4 splits during February, May, July and September to Kinnow trees. Irrigation at 100% ET and fertigation of nitrogen and phosphorus @RDF was applied uniformly in all the trees. Trees receiving MOP in four splits recorded higher vegetative and reproductive growth and produced fruits of better quality as compared to two and three splits application, three foliar application and control. Potassium fertigation @500g MOP applied in 4 splits was found to be economical in terms of growth, yield and fruit quality.en_US
dc.identifier.citationAnil Kumar (2021). Studies on irrigation scheduling and fertigation in kinnow mandarin (Unpublished Ph.D. Dissertation). Punjab Agricultural University, Ludhiana, Punjab, India.en_US
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810177342
dc.keywordsirrigation, fertigation, growth, yield and qualityen_US
dc.language.isoEnglishen_US
dc.pages146en_US
dc.publisherPunjab Agricultural University, Ludhianaen_US
dc.research.problemStudies on irrigation scheduling and fertigation in kinnow mandarinen_US
dc.subFruit Scienceen_US
dc.themeStudies on irrigation scheduling and fertigation in kinnow mandarinen_US
dc.these.typePh.Den_US
dc.titleStudies on irrigation scheduling and fertigation in kinnow mandarinen_US
dc.typeThesisen_US
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