RESPON PERTUMBUHAN DAN PRODUKSI BAWANG MERAH (Allium ascalonicum L. Var. TUKTUK) ASAL BIJI TERHADAP PEMBERIAN PUPUK KALIUM DAN JARAK TANAM

Benhard H. Sitepu, Sabar Ginting, Mariati Mariati

Abstract


The aim of the research was to evaluated the effect of potassium fertilizer (K) and
the planting distance on the growth and yield of onion (Allium ascalonicum L.)
varieties Tuktuk. The research used Randomized Block Design with two-factors.
The first factor was the doses of potasium fertilizer (KCl) with four levels e.g : K0
= without KCl (control), K1=10 g KCl/m², K2= 20 g KCl/m² and K3 = 30 g
KCl/m². The second factor was planting distance with three levels e.g : J1 = 10x10
cm, J2 = 10 x 15 cm and J3 = 10 x 20 cm. The results showed that the diameter
of tubers, wet weight of tubers per sample and dry weight of tubers per sample
were significantly affected by potasium fertilizers. The higest of diameter of
tubers, wet weight of tubers per sample and dry weight of tubers per sample were
produced by K2, whistling of each were 3,72 cm, 18,69 g and 5,61 g, but plant
height and leafs number were unsignificantly. Where as, plant height were
signifcantly affacted by planting distance were prouced by J2 e.g 16,01 cm, but
leafs of number, diameter of tubers, wet weight of tubers per sample and dry
weight of tubers per sample unsignificantly. Interaction of potasium
fertilizer and planting distance significantly affected the wet weight of
tubers per plot and dry weight of tubers per plot. The higest of wet
weight of tubers per plot and dry weight of tubers per plot were
produce by K2J1 were 1,34 kg and 0,40 kg.
__________________________________________________________________
Key words: onion, potassium fertilizer and planting distance

Full Text: PDF

Refbacks

  • There are currently no refbacks.


Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 License.

Creative Commons License Creative Common Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)


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)