Respon dua genotip kentang (Solanum tuberosum L.) dengan pemberian tiga sumber pupuk nitrogen di dataran medium

Response of two genotypes of potato (Solanum tuberosum L.) with three nitrogen fertilizer sources in medium land

  • Anggi Handa Suwandi University of Islam Malang
  • Anis Rosyidah Universitas Islam Malang
  • Anis Sholihah Universitas Islam Malang
Keywords: Nitrogen fertilizer, genotype, potato, medium land

Abstract

This study aims to evaluate the growth and yield of two potato (S) genotypes against three nitrogen (G) fertilizer sources in the mediumlands. Research arranged in factorial RAK was repeated three times. The first factor is the source of N fertilizer which consists of three levels, namely S1 = ZA fertilizer ((NH4) 2SO4), S2 = urea (CO (NH2) 2), S3 = ammonium nitrate (NH4NO3). The second factor was the potato genotype which consisted of two levels, namely genotype G1 = MS 13 and G2 = genotype At 4. The data obtained were analyzed by means of the F test at the 5% level (ANOVA) to determine the effect of the treatment. If there is a significant effect, then the LSD further test is carried out to determine the differences between treatments, as well as multiple regression analysis to determine the factors that most influence the levels of potato tuber starch produced. The results showed that it is better to use genotype At4 (18.50%) for potato cultivation on medium land, because the highest starch content was obtained from genotype MS13 (17.53%). 27.30 ton ha-1) which is the highest compared to other nitrogen fertilizer sources.

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Published
2021-09-11
How to Cite
Suwandi, A. H., Anis Rosyidah, & Anis Sholihah. (2021). Respon dua genotip kentang (Solanum tuberosum L.) dengan pemberian tiga sumber pupuk nitrogen di dataran medium. AGROMIX, 12(2), 12-21. https://doi.org/10.35891/agx.v12i2.2606
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Articles