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Agroland : Jurnal Ilmu-Ilmu Pertanian
Published by Universitas Tadulako
ISSN : 0854641X     EISSN : 24077607     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Agroland : jurnal Ilmu-ilmu pertanian diterbitkan 3 kali dalam satu tahun. Jurnal ini diterbitkan oleh Fakultas pertanian Universitas Tadulako dengan tujuan untuk meningkatkan kapasitas Dosen diLingkup Fakultas Pertanian dalam Bidang Penelitian dan sebagai penunjang dalam Tri Dharma Perguruan tinggi.
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol 19, No 1 (2012)" : 5 Documents clear
TEKNIK PENGENDALIAN LALAT BUAH Bactrocera SP. (DIPTERA : TEPHRITIDAE) PADA PERTANAMAN CABAI MENGGUNAKAN PERANGKAP DENGAN ISYARAT KIMIA DAN VISUAL Shahabuddin Shahabuddin
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 19, No 1 (2012)
Publisher : Universitas Tadulako

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Abstract

Understanding and utilization of insect pest behavior are needed for developing an effectivecontrolling program. An experiment has been conducted in a chili plantation to determine how capturesof oriental fruit fly (Bactrocera sp.) were affected by combining olfactory and visual stimuli in traps.The study was performed by using a Completely Randomized Block design with 6 combinationtreatments of chemical (Melaleuca bracteata extract, MB) and visual (colour trap) cues and 3replications. The results showed that combination of MB and yellow colour of the traps wassignificantly more attractive to fruit flies than the other treatments and such treatments could reducethe infested level of the flies. Although chemical cues most likely has a stronger effect than visualcues on trapping the flies, this study suggest that an effective control of oriental fruit fly shouldinclude both visual and olfactory cues.Key words: Behavioral based control, fruit flies, trapping.
TOLERANSI KEKERINGAN BEBERAPA PADI GOGO UNGGUL NASIONAL TERHADAP KETERSEDIAAN AIR YANG TERBATAS Ahadiyat Yugi Rahayu
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 19, No 1 (2012)
Publisher : Universitas Tadulako

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Abstract

Low national productivity of upland rice is due to the limitation of available water especially during dry season. Selection of drought tolerant varieties and high yield production is a suitable solution. The objective of this study was to identify upland rice varieties tolerant to drought and their physiological and morphological characters. The study was carried out in a plastic house at research station of Faculty of Agriculture, General Soedirman University during August to October 2008. A split plot design was used within which fifteen upland rice varieties i.e. Silugonggo, Kalimutu, Gajah mungkur, Dodokan, Way rarem, Jatiluhur, Ciherang, Cisokan, Situ Bagendit, Situ Patenggang, Gilirang, Cirata, Batulegi, Way Ampo Buru and Danau Tempe were the main plots and different water applications i.e. up to the end of vegetative stage, up to the mid of generative stage and up to harvest as sub-plot under Split Plot Design were the sub plots. The result showed that all varieties had no capacity to stand under limited water in different time of water application. Physiological response showed higher values in CGR, RGR and water absorption under water application up to harvest than others. Number of tiller, total leaf area, root dry weight and total root length had similar trend except on plant height.
POTENSI DAN KESESUAIAN LAHAN RAWA UNTUK PENGEMBANGAN TANAMAN PADI DI KABUPATEN TOLITOLI SULAWESI TENGAH Syafruddin Syafruddin
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 19, No 1 (2012)
Publisher : Universitas Tadulako

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Abstract

The conversion of fertile rice land in some areas of rice production center has implications for food security achievement and farmers’ income. This problem has been anticipated by government through creating new rice field in potential land including swamp areas. The research objective was to identify the potency, suitability and opportunity of the swamp areas for rice farming system in Tolitoli regency Central Sulawesi. The research was conducted in two stages: 1) Preparation and 2) Field and laboratory research. Three soil orders were found in the research areas including Histosols with sub groups ranged from typic sulfihemist to typic sulfibrist, Entisols with sub group sulfit endoaquent, and Inceptisols with sub groups typic endoaquepts and sulfit endoaquepts. The potency for rice plant development was quite good. The land suitability class for rice plant in Lampasio was Moderately Suitable (S2) with nutrient retention (nr) and oxygen availability were its limiting factor. Marginally Suitable class (S3) occupied parts of Buga and Lampasio with dominant limiting factors were flood hazard, sulfide, and nutrient retention. The land suitability class of Not Suitable could also be found in both Lampasio and Bunga.
EFIKASI HERBISIDA KOMBINASI TETRIS DAN BASAGRAN TERHADAP GULMA UMUM PADA BUDIDAYA TANAMAN PADI SAWAH TABELA Mahfudz Mahfudz; Dwi Guntoro; Dita Nurul Latifah
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 19, No 1 (2012)
Publisher : Universitas Tadulako

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Abstract

An experiment was carried out to investigate the efficacy of herbicide combinations between Tetris and Basagran for weed eradication, especially for Leptochloa chinensis and Echinochloa crus-galli, in rice plant using direct planting system. This experiment was done between May and September 2011 in Biromaru, District of Sigi, Central Sulawesi. There were 12 treatments tested and arranged in a randomized block design, namely: Tetris 0.75 l/ha + Basagran 2 l/ha, Tetris 0.75 l/ha + Basagran 3 l/ha, Tetris 1 l/ha + Basagran 2 l/ha, Tetris 1 l/ha + Basagran 3 l/ha, Tetris 1.2 l/ha + Basagran 2 l/ha, Tetris 1.2 l/ha + Basagran 3 l/ha, Tetris 1 l/ha + Invest 400g + 2.4D 0.8 l/ha, RiceStar-Xtra 0.5 l/ha + 2.4D 0.8 l/ha, Cliper 0.5 l/ha + 2.4D 0.8 l/ha, Rumpas 0.3 l/ha + 2.4D 0.8 l/ha, Pyzaro 1 l/ha + 2.4D 0.8 l/ha, and control (without herbicide). Each of these treatments was replicated three times and applied at 10 and 20 days after planting. The results indicated that all the herbicide combinations were able to eradicate total and dominant weeds in the tested rice field. The dominant weeds that were eradicated including grass weed (Ischaemum rugosum, Leptochloa chinensis and Echinochloa crus-galli), “teki” (Cyperus iria and Fymbristilis miliacea) as well as a broadleaf weed (Ludwigia octovalvis). It was also found that the application of Tetris and Basagran combination in a rice plantation using the direct planting system at 10 days after planting was more effective than at 20 days after planting, and the recommended ranges of combination is between 0.75+2 l/ha and 1+2 l/ha.
PERUBAHAN PERSEDIAAN HARA DAN KARBON AKIBAT KONVERSI HUTAN ALAM MENJADI LAHAN PERKEBUNAN DI SEKITAR KAWASAN TAMAN NASIONAL LORE LINDU Muhardi Muhardi; Maman Sutisna; Muhammad Basir-cyio; Abubakar M. Lajhie
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 19, No 1 (2012)
Publisher : Universitas Tadulako

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Abstract

Land as a limited resource has been under much pressure due to increasing population which has lead to the conversion of natural forest to satisfy their need of land. The research aim was to study changes in nutrient availability and carbon stock caused by natural forest conversion to plantation in the surrounding area of the Lore Lindu National Park. The research results showed that natural forest converted to monoculture candle nut plantation decreased soil organic matter and total carbon by up to 20% and 45%, respectively, whereas changed to cacao plantation the total carbon declined by up to 44%. Available N, P, K, Mg declined by up to 23%, 30%, 43%, and 35%, respectively, in modest agroforestry. It is recommended that either complex agroforestry or forest plantation can be developed as these types of land use lead to only slightly changes in organic matter/carbon stock and nutrient availability compared to other land use types.Key words : Agroforestry, biomass, carbon, nutrient availability.

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