Pengaruh Penambahan Beberapa Jenis Pupuk Nitrogen Dengan Jarak Tanam Berbeda Terhadap Pertumbuhan dan Produksi Tembakau Deli (Nicotiana tabacum L.)

Syafrizal Syafrizal, Eva Sartini Bayu, Jonis Jonis Ginting

Abstract


This research aimed were to study the growth and the production of deli tobacco with the addition
some kind of nitrogen fertilizer on 30 days after planted. This research was conducted in the land of
PT. Perkebunan Nusantara II (PTPN II) located in Kebun Klumpang, ±25 meter asl, in September-
November 2013. This experiment in factorial based on randomized blok design with two factors
and three replication, consite of nitrogen fertilizer (0, 10 gram/plant Zwavelzure Amonium,
15.6 gram/plant Calcium Amonium Nitrat, 5 gram/plant Zwavelzure Amonium + 8 gram/plant
Calcium Amonium Nitrat) and double spacing planting distance (100x50x45 cm, 100x50x40 cm,
100x50x35 cm). The parameters observed were plant height, stem diameter, number of leaves per
plant, wet weight of leaf, length of leaf party Z, length of leaf party VA, width of leaf party Z, width
of leaf party VA, thickness of leaf party Z, thickness of leaf party VA. The results showed that the
narrow spacing plant has significant decrease parameters of plant height, stem diameter, the number
of leaf per plant and all production traits. The addition of nitrogen fertilizer significant increase all
of the parameters except thickness of leaf party Z and thickness of leaf party VA. Interaction
between plant spacing and addition of nitrogen fertilizer (100x50x45 cm + 10 gram ZA) showed
significant effect of the width of leaf party Z on N1J0 (24,46 cm).
Keywords: nitrogen fertilizer, deli tobacco, spacing planting distance.

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Program studi Agroteknologi

Fakultas Pertanian

Jl. Prof. A. Sofyan no. 3

Kampus Universitas Sumatera Utara

Padang Bulan- 20155

Medan-Sumatera Utara

E ISSN (2337-6597)