Upaya Peningkatan Produksi Ubi Jalar Varietas Cilembu Melalui Variasi Stek Dan Penggunaan Pupuk Kalium

Muhid, Moch Abdul (2019) Upaya Peningkatan Produksi Ubi Jalar Varietas Cilembu Melalui Variasi Stek Dan Penggunaan Pupuk Kalium. Undergraduate thesis, Politeknik Negeri Jember.

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Abstract

This research was conducted with the aim to knowing the use of the variation of cuttings and potassium fertilizers on the growth and production of sweet potato varieties in cilembu. This research was conducted in Karangrejo Village, Sumbersari District, Jember District, East Java. The timing of the reseacrh was conducted from August to December 2018. The research used Randomized Block Design (RAK) 2 factorial. The first factor is the use of cuttings (S) with 4 levels : shoot cuttings (S1), middle cuttings (S2), lower cuttings (S3) and tuber cuttings (S4). The second factor is the dose of potassium fertilizer (K) with 3 levels : 25 gram/plot (K1), 30 gram/plot (K2) and 35 gram/plot (K3).The results showed that the use of cuttings significant affect on the parameters of the number of tendrils aged 30 HST, 37 HST, 44 HST and very significants affect on the parameters of tuber weight per sample, tuber weight per plot and number of tubers per sample. Then the use of potassium fertilizer did not significantly affect all observed parameters, and there was no interaction between variations of cuttings and potassium fertilizer on all observed parameters.

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