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All Journal Agroland : Jurnal Ilmu-Ilmu Pertanian Techno LPPM
Abdul Rizal AZ
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Agriculture, Biological Sciences & Forestry

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PENGARUH BERBAGAI BAHAN ORGANIK DAN APLIKASI HERBISIDA METOLACHLOR TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KEDELAI Abdul Rizal AZ
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 13, No 3 (2006)
Publisher : Universitas Tadulako

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Abstract

Tujuan penelitian ini adalah untuk mengetahui pengaruh herbisida metolachlor terhadap pertumbuhan dan hasil tanaman kedelai. Percobaan lapangan dilaksanakan mulai bulan Nopember 2003 s/d Meret 2004 di lahan percobaan Pusat Penelitian dan Pengembangan PT Syngenta di desa Balonggandu, Kecamatan Jatisari  Kabupaten Kerawang Propinsi Jawa Barat, ketinggian tempat  17 m di atas permukaan laut dengan jenis tanah ordo Entisol. Percobaan menggunakan rancangan petak terpisah sebagai petak utama adalah empat jenis bahan organik yaitu tanpa bahan organik, kompos jerami padi, pupuk kotoran sapi dan kompos eceng gondok, sebagai anak petak adalah empat dosis herbisida metolachlor yaitu tanpa herbisida, 1 kg b.a. ha-1, 2 kg b.a. ha-1 dan 3 kg b.a. ha-1. Data hasil percobaan dianalisis dengan sidik ragam pada taraf 5 % Perbedaan di antara setiap dua angka respon akibat dari dua taraf faktor perlakuan yang berbeda untuk setiap taraf faktor perlakuan lainnya diuji dengan menggunakan uji beda nyata terkecil (BNT) dengan taraf 5 %. Hasil penelitian menunjukkan bahwa jumlah dan bobot nodula efektif dipengaruhi oleh pemberian bahan organik, Bobot kering  dan hasil tanaman kedelai dipengaruhi oleh intraksi di antara bahan organik dengan dosis herbisida metolachlor. Hasil tertinggi diperoleh dengan pemberian pupuk kotoran sapi dengan aplikasi metolachlor dosis 2 kg   ha-1 b.a. (2,03 Mg ha-1)
ANALYSIS OF WEED VEGETATION IN TEAK AND SENGON STANDS IN SUMBER GIRISUKO VILLAGE PANGGANG DISTRICT GUNUNGKIDUL REGENCY Maryana, Maryana; Rizal AZ, Abdul; Aji Pangestu, Febriana
Journal TECHNO Vol 10, No 1 (2024)
Publisher : Universitas Pembangunan Nasional Veteran Yogayakarta

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Abstract

Weed vegetation refers to plants that grow in agricultural land, gardens, or other environments that are undesirable to humans. The aim of the research was to analyze weed composition and determine the value of weed diversity in teak plant stands and sengon plant stands. Analysis of weed vegetation on land with the SDR coefficient value of weed species, to see differences in weed composition between two stands using a community index. The research was carried out in Sumber Girisuko Village Panggang District, Gunungkidul Regency. Determining the research location used the purposive sampling method and weed sampling using systematic random sampling, while the analysis method used the quadratic method. The results obtained show that in this study 10 weed species were found from 6 families, namely Passifloraceae, Colchicaeae, Asteraceae, Poaceae, Convolvulaceae, and Verbenaceae. In the land under teak stands, 5 species were found with SDR values of 0.03-0.61, in land under sengon stands there were 8 species with SDR values of 0.02-0.48. The value of the community coefficient for the land under the teak and sengon stands was 16%, meaning that the weeds on the two lands were not uniform. The diversity index (H') value for land under teak stands is 1.10 and for sengon stands is 1.52, which means it is classified as moderate. The Simpson dominance index was found to be 0.40 in land under teak stands, and 0.27 in sengon stands, meaning that weed species were present but did not dominate.
ANALYSIS OF WEED VEGETATION IN TEAK AND SENGON STANDS IN SUMBER GIRISUKO VILLAGE PANGGANG DISTRICT GUNUNGKIDUL REGENCY Maryana, Maryana; Rizal AZ, Abdul; Aji Pangestu, Febriana
Journal TECHNO Vol. 10 No. 1 (2024): Mei
Publisher : Universitas Pembangunan Nasional Veteran Yogayakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/journal techno.v10i1.13188

Abstract

Weed vegetation refers to plants that grow in agricultural land, gardens, or other environments that are undesirable to humans. The aim of the research was to analyze weed composition and determine the value of weed diversity in teak plant stands and sengon plant stands. Analysis of weed vegetation on land with the SDR coefficient value of weed species, to see differences in weed composition between two stands using a community index. The research was carried out in Sumber Girisuko Village Panggang District, Gunungkidul Regency. Determining the research location used the purposive sampling method and weed sampling using systematic random sampling, while the analysis method used the quadratic method. The results obtained show that in this study 10 weed species were found from 6 families, namely Passifloraceae, Colchicaeae, Asteraceae, Poaceae, Convolvulaceae, and Verbenaceae. In the land under teak stands, 5 species were found with SDR values of 0.03-0.61, in land under sengon stands there were 8 species with SDR values of 0.02-0.48. The value of the community coefficient for the land under the teak and sengon stands was 16%, meaning that the weeds on the two lands were not uniform. The diversity index (H') value for land under teak stands is 1.10 and for sengon stands is 1.52, which means it is classified as moderate. The Simpson dominance index was found to be 0.40 in land under teak stands, and 0.27 in sengon stands, meaning that weed species were present but did not dominate.
Co-Authors Aji Pangestu, Febriana Maryana Maryana, Maryana