Respon pemberian berbagai jenis pupuk nitrogen dan berbagai jenis mulsa terhadap pertumbuhan dan produksi tanaman kailan (Brassica oleracea L.)

Authors

  • Rizki Andrian Pratama Manurung Universitas Asahan
  • Syafrizal Hasibuan Universitas Asahan

Abstract

This research was conducted at the experimental garden of Asahan University, Kisaran Naga Village, Kisaran Timur District, Asahan Regency, South Sumatra Province. The altitude of the place is 100 m above sea level with flat topography. This research was conducted in October November 2020. The materials used include kale seeds of the KL variety. 2224, various types of Nitrogen fertilizers such as Urea and KNO3, various types of mulch such as Synthetic: black silver mulch, organic: lalang mulch, inorganic: rock mulch. The tools used in this study were, Hoe, watering can, raffia rope, meter, sprayer, calculator, research plot board, research title board, sample stakes, scales, bamboo, and machetes. This research was arranged based on a Factorial Randomized Block Design (RAK) with 2 treatment factors and 3 replications. The first factor is the provision of various types of Nitrogen fertilizer with 3 levels, namely N0 = (control) 0 g/plot, N1 = 7.2 g/plot KNO3, N2 = 14.4 g/plot Urea. And the second factor is the provision of various types of mulch consisting of 4 levels, namely M0 = Control, M1 = Black silver mulch, M2 = Rock mulch, M3 = Weed mulch. The results of the study of the treatment of providing various types of Nitrogen fertilizers had a very significant effect on the growth and production of kale plants. The best treatment was obtained at a dose of 14.4 g/plot (N2) producing the highest plant height of 13.57 cm, the largest number of leaves (strands) of 11.71 (strands), the best crop production of 166.20 g, and the best production per plot of 0.61 kg/plot. And the provision of various types of mulch has a very significant effect on the production of kale plants on organic mulch from weeds (M3) in the observation of production per plant, namely 162.79 g/plot and the best production per plot is 0.62 kg/plot. The interaction of the provision of various types of Nitrogen fertilizers and various types of mulch shows no significant effect on the growth and production of kale plants.

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Published

2023-08-31

Issue

Vol. 19 No. 2 (2023): August

Section

Articles

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