Respons Pertumbuhan dan Produksi Tanaman Sorgum (Sorghum bicolor (L.) Moenchterhadap Pemberian Mulsa dan Berbagai Metode Olah Tanah

Khairunnisa Khairunnisa, Ratna Rosanty Lahay, T. Irmansyah.

Abstract


The research was conducted on Pasar 3 Padang Bulan, Medan about 25 m above sea level from
May to September 2014. The research uses Split Plot Design with two treatment factors with three
replications. Main plots were soil tillage with two treatments, no-tillage (P
0
); perfect tillage (P
) and
the subplot was mulching with four treatments, without mulch (M
0
); rice straw mulch (M
);
Thitonia mulch (M
2
); Imperata cylindrica mulch (M
). The results showed that tillage treatments
affected significantly stem diameter ages 8 and 9 weak after plant but not significant affected on
other parameters. Mulching treatment not affected significantly on all parameters. The interaction
between two treatments affected significantly on plant height, number of leaves, and stem diameter.

Keywords: soil tillage, mulching, sorghum.
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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)