Irrigation and potassium fertilization effects on plant growth, tuber yield, quality, and water use efficiency of potato

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dc.contributor.authorAytekin, Ramazan Ilhan
dc.contributor.authorCaliskan, Sevgi
dc.date.accessioned2024-11-07T13:24:49Z
dc.date.available2024-11-07T13:24:49Z
dc.date.issued2024
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractPotato (Solanum tuberosum L.) requires high levels of water and potassium to achieve optimal yield and quality. This is of importance for the sustainable agriculture, and therefore, it is quite concern of agronomists to define the proper irrigation level and potassium rates in potato. In this study, we tested three irrigation levels (full irrigation (I100), 66% full irrigation (I66; 33% deficit), 33% full irrigation (I33; 66% deficit)), and six potassium doses (K0:0 kg ha-1 of K, K1:40 kg ha-1 of K, K2:80 kg ha-1 of K, K3:120 kg ha-1 of K, K4:160 kg ha-1 of K and K5:200 kg ha-1 of K) in Agria. The study was conducted in Nigde (Central Anatolia, Turkiye, 37 degrees 56 ' 31.8 '' N 34 degrees 38 ' 04.2 '' E) as a two-year field experiment. In the experiment, the respective values were recorded for each variable; plant height 36.0-92.0 cm, maturation period 82.0-98.0 days, number of stem per plant 3.4-4.7, number of tuber per plant 4.1-7.7, tuber yield per plant 247.1-846.2 g, marketable tuber ratio 79.4-99.4%, discarded tuber ratio 0.6-5.7%, secondary structured tuber ratio 0.0-16.6%, total tuber yield 11.8-38.7 t, dry matter 19.2-21.6%, specific gravity 1.072-1.087 g cm3, and starch 13.2-15.9%. Besides, it was determined that the optimum irrigation x potassium interaction was achieved at I100xK3 and I100xK4 in terms of plant and yield parameters, and I33xK3 and I33 x K4 in terms of tuber quality parameters. In our work, we concluded that a water need of average 590-720 mm (not including the effective rainfall amount) and potassium supply of 120-160 kg ha-1 in Central Anatolia will be optimal for the potato cultivation. The findings of this study will contribute to potato cultivation practices by providing proper information about the optimal irrigation need and potassium dose.
dc.description.sponsorshipScientific Research Project Office (BAP) of Nigde Omer Halisdemir University [TGT 2020/4-LUETEP]
dc.description.sponsorshipThis research was supported by the Scientific Research Project Office (BAP) of Nigde Omer Halisdemir University (grant numbers: TGT 2020/4-LUETEP). We appreciate Doga Seed Company's assistance in ensuring the supply of potatoes and also wish to thank the feedback provided by the reviewers and editors.
dc.identifier.doi10.1007/s00271-023-00886-3
dc.identifier.endpage385
dc.identifier.issn0342-7188
dc.identifier.issn1432-1319
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85173785725
dc.identifier.scopusqualityQ1
dc.identifier.startpage367
dc.identifier.urihttps://doi.org/10.1007/s00271-023-00886-3
dc.identifier.urihttps://hdl.handle.net/11480/14343
dc.identifier.volume42
dc.identifier.wosWOS:001079824300002
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofIrrigation Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241106
dc.subjectDeficit Irrigation
dc.subjectDrought Stress
dc.subjectRoot-System
dc.subjectL.
dc.subjectProductivity
dc.subjectManagement
dc.subjectNitrogen
dc.subjectSoil
dc.subjectCultivars
dc.subjectCrop
dc.titleIrrigation and potassium fertilization effects on plant growth, tuber yield, quality, and water use efficiency of potato
dc.typeArticle

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