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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 399 Documents
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PENGARUH JENIS PUPUK ORGANIK DAN PORPOSI PUPUK ANORGANIK TERHADAP KARAKTER FISIOLOGI DAN SERAPAN HARA N TANAMAN PADI SAWAH Purwanto Purwanto; Utomo Utomo; Bambang Rudianto Wijonarko; Budi Supono Indaryanto
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 18, No 3 (2011)
Publisher : Universitas Tadulako

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Abstract

The aim of this research was to determine the effect of inorganic fertilizer proportion and organic fertilizer as well as its interaction to N uptake, N uptake efficiency, and physiological characters of rice plant. This research was conducted in the Experimental Farm of Agriculture Faculty of Jenderal Soedirman University Purwokerto, with soil type used was Inceptisol and located 110 m above sea level. This research was arranged using split plot design with four replicates. The main plots were the type of organic fertilizers i.e cow manure 5 t/ha, and straw compost 5 t/ha. The subplots were the proportion of inorganic fertilizers i.e P1: general dose recommendation (250 kg Urea, 150 kg SP-36 and 150 kg KCL), P2: 75% of general dose recommendation (187.5 kg Urea, 112.5 kg SP-36 and 112.5 kg KCL), P3: 50% of general dose recommendation (125 kg Urea, 75 kg SP-36 and 75 kg KCL), P4: P and K according to soil nutrient status + N according to Leaf Color Chart scale (LCC), P5: 150 kg SP-36, 150 kg KCl, and N according to LCC scale, and control (without fertilizer). The observed variables were leaf area index, leaf greenness, leaf chlorophyll content, N uptake, and N uptake efficiency. Data was analyzed using F test and if the differences were significant, the analysis was proceed with DMRT test at 5% error levels and orthogonal contrast test. The results showed that the dose of inorganic fertilizer increased the leaf area index, chlorophyll content, N uptake and N uptake efficiency. The reduction of inorganic fertilizer dose up to 50% of general dose increased the content of chlorophyll a. N uptake efficiency was higher in the N fertilizer added based on LCC and P and K based on soil nutrient status treatment than the recommendation dose when straw compost was applied.
SIFAT FISIKOKIMIA DAN SENSORIS ES KRIM LABU KUNING DENGAN PENAMBAHAN TEPUNG TALAS SEBAGAI PENGENTAL Abdul Rahim; Syamsudin laude; Asrawaty Asrawaty; Akbar Akbar
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 24, No 2 (2017)
Publisher : Universitas Tadulako

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Abstract

The objective of the research was to determine the physicochemical and sensory properties of taro flour as a thickener. The treatment used was taro flour concentrations at 5, 10, 15, 20 and 25%. The study was conducted using a Completely Randomized design for observing the physicochemical properties including overrun, melting rate, β-caroten content and protein content;and a Randomized Block design for observing the sensory properties under five treatments with three replicates.  The pumpkin ice cream with addition of taro flour concentration between 10-25% can be used as thickener on ice cream making. The overrun and melting rates of ice cream pumpkin tended to decrease with increasing the taro flour concentrations. Best β-caroten and protein contentsfound inthe pumpkin ice cream are under the taro flour concentrations at 10-15%. The sensory properties of pumpkin ice cream are liked by panelists. Key words: Ice cream, Pumpkin, Taro flour, Thickener.
RESPON PERTUMBUHAN DAN HASIL JAGUNG MANIS (Zea mays saccharata) PADA BERBAGAI WAKTU PEMBERIAN PUPUK NITROGEN DAN KETEBALAN MULSA JERAMI Muhammad Sirajuddin; Sri Anjar Lasmini
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 17, No 3 (2010)
Publisher : Universitas Tadulako

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Abstract

This research was conducted on February to May 2009 in Jonooge village, Biromaru sub district Sigi regency Central Sulawesi province.  A 3x3 factorial experiment in a randomized block design was used. The first factor was nitrogen fertilizer 200 kg N/ha applied at different times and rates: single application at sowing (W1), 1/3 rate at sowing and 2/3 rate at 15 d after sowing (W2), 1/3 rate at sowing and 2/3 at 30 d after sowing (W3), and 1/3 rate at sowing and 2/3 at 45 d after sowing (W4).  The second factor was thickness of mulch:  3 cm (J1), 5 cm (J2) and 7 cm (J3).  The research results showed that there was no interaction effect between nitrogen fertilizer applications and mulch thickness.  Better plant height (164.78 cm), weight of 10 corncobs (2.43 kg), girth (7.70 cm), number of kernel rows, and corncob length (18.3 cm) was found in treatment W3 than the other nitrogen fertilizer treatments. Mulch added at 7 cm thickness resulted in larger sugar content (26.55%), plant height (166.94 cm), and weight of 10 corncobs than the other mulch treatment
PEMANFAATAN JAMUR ENTOMOPATOGEN BEAUVERIA BASSIANA LOKAL SULAWESI TENGAH UNTUK PENGENDALIAN SPODOPTERA EXIGUA DAN LYRIOMISA CHINENSIS HAMA ENDEMIK PADA BAWANG MERAH DI SULAWESI TENGAH Rosmini Rosmini; Burhanuddin Nasir
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 20, No 1 (2013)
Publisher : Universitas Tadulako

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Abstract

Spodoptera exigua and Lyriomisa chinensis are one of the decstuctive insect and main obstacles in development of onion in Donggala. Pest control by chemicals has been widely reported to give a variety of negative impacts. Other efforts are needed as alternative technology to reduce impact of using synthetic chemical insecticides. One of them is entomopathogenic fungi as bio-insecticide. The objective of this research was to collect Beauveria spp. as enthomopathogen fungy. More specifically, number of Beauveria spp. was collected from several location and host as bio-insecticide formulation matter. There were 12 isolates of Beauveria spp. obtained from various locations in Central Sulawesi. Seven isolates from Lepidoptera while the remaining isolates were two from Homoptera, two from Hemiptera, and one from Coleoptera. Various insect species belong to Lepidoptera order investigated were Spodoptera exigua, Helicoperva armigera, Scirphopaga innotata, Ostrinia furnacalis and Plutella xylostella; belong to Homoptera order were Nilaparvata lugens, and Aphids; belong to Hemiptera order were Leptocoryza acuta; and belong to Coleoptera order was Oryctes rhinoceros. The observation indicated that the color of colony was ranged from yellowish white to white. There was no germination difference among the Beauveria spp. isolates in relationto to their location, host of insects, and insect orders. Differences in virulence showed only in Beauveria isolates from Spodoptera exigua with a high virulence against Spodoptera exigua pest and not for the other insects. Key Words : Beauveria bassiana, Bioinsecticide, Spodoptera exigua Hubn.
KARAKTERISASI PATOGEN HAWAR DAUN BAKTERI SECARA FENOTIPIK PADA BAWANG MERAH (ALLIUM CEPA L. KELOMPOK AGGREGATUM) Asrul Asrul; Triwidodo Arwiyanto; Bambang Hadisutrisno; Jaka Widada
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 26, No 1 (2019)
Publisher : Universitas Tadulako

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Abstract

The research aimed at determining the types of pathogen associated with bacterial leaf blight diseases of shallots. The bacteria were isolated and characterized based on the  morphological, biochemical and physiological morphology of their colony and cell.  There were eight isolates of pathogenic bacteria from pure culture.  Generally, the isolates have Gram-negative characters, short rod-shaped cells, have peritrikus flagellum and mucoid, yellow or beige colonies, round, convex or flat forms, and is shiny. The isolates react positively to catalase, urease, levan, indole production, and tween 8 tests. They also can live at temperature between 20 – 370C, pH 5 – 7 and tolerant to NaCl content ranging from 0 – 8.5%. The isolates react negatively to oxidases, reduce nitrates, fluorescent pigments, arginine, gelatin and starch.  Based on these characteristics, the isolates found generally have a closer resemblance to the properties of P. ananatis with a similarity coefficient of 88%  than bacteria X. axonopodis pv. allii with a similarity coefficient of 78%.  The symptoms appeared in the plant leaves were wilted (water soaked), shrinking, curving down, chlorosis, necrosis, and dieback.
PENAKSIRAN BOBOT BADAN BERDASARKAN LINGKAR DADA DAN PANJANG BADAN DOMBA DONGGALA Amiruddin Malewa
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 16, No 1 (2009)
Publisher : Universitas Tadulako

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Abstract

The study was aimed to estimate the body weight of Donggala sheep based on their body length and chest diameter using Lambourne and Schoorl equations.  Survey method was used to select the sheep randomly from east Palu, west Palu, and Biromaru. The research results showed that the correlation value of chest diameter with body weight was higher than that with body length. Additionally, t test values of Lambourne and Schoorl equations were lower than the t-Table. This indicates that the body weight of Donggala sheep resulting from direct weighing and from those two equations was no significantly difference. Therefore this study suggested that Lambourne and Schoorl equations are feasible to use for estimating the body weight of Donggala sheeps.
PENGARUH PEMBERIAN PASTA KAYU MANIS-MADU TERHADAP PEMBENTUKAN AKAR PADA CANGKOK KALAMANSI (Citrus microcarpa) Fiktor Imanuel Boleu; Radios Simanjuntak; Andronitus Keno; Maichel Brian Beslar; Vanhalen Djole; July Randales Manik
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 26, No 3 (2019)
Publisher : Universitas Tadulako

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Abstract

Tujuan penelitian ini adalah untuk mengetahui pengaruh pemberian pasta kayu manis-madu terhadap pembentukan akar pada cangkok kalamansi. Penelitian menggunakan Rancangan Acak Kelompok (RAK) sederhana dengan 3 perlakuan dan 4 ulangan. Dari masing-masing ulangan dipilih 4 pohon sebagaitanaman induk. Perlakuan konsentrasi ZPT yang digunakan yaitu kontrol (tanpa ZPT), Rootone F (P1) sebanyak 146,67 g Rootone F per 100 ml air dan pasta kayu manis-madu (P2) dengan komposisi 36,67 g bubuk kayu manis per 100 ml madu. Hasil penelitian menunjukkan pemberian pasta kayu manis-madu memiliki pengaruh yang sama efektifnya dengan ZPT sintetis Rootone F dan keduanya memberikan hasil yang lebih baik dari kontrol terkait variabel jumlah dan panjang akar pada cangkok kalamansi. Pasta kayu manis-madu berperan sebagai fitohormon alternatif karena mengandung enzim dan senyawa monosakarida (glukosa dan fruktosa) yang dapat menstimulasi perakaran pada cangkok kalamansi. Selain itu, kandungan antibakteri dan antijamur pada pasta kayu manis-madu dapat mendukung kondisi perakaran cangkok yang lebih baik. Kata Kunci: Cangkok, Fitohormon Alternatif, Kalamansi, dan Pasta Kayu Manis- Madu.
ANALISIS STRUKTUR PASAR BAWANG MERAH VARIETAS LEMBAH PALU DI KABUPATEN SIGI Muh. Arman Yamin Pagala; Hadayani Hadayani; Yulianti Kalaba
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 24, No 2 (2017)
Publisher : Universitas Tadulako

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Abstract

The analysis of market structure of Lembah Palu shallot variety was conducted in Sigi Biromaru Sub District of Sigi District. The research methods used were a Simple Random Sampling and a Snow Ball Sampling technique.  Data was analyzed using a market share analysis, a market concentration ratio (CR4) analysis, Herfindahl Hirschman Index (HHI) analysis and a marketing efficiency analysis (margin and farmer’s share). There are four industries dominate the market share of fried shallot of Lembah Palu variety in Sigi regency with MSn (%) of 0.236 for Industry 1, 0.233 for Industry 2, 0.171 for Industry 3 and 0.133 for Industry 4.  All indicates that the four industries have a share of 77.3% for buying the Lembah Palu shallot variety with an oligopsony market structure. The value of HHI was 1.098 suggesting that the oligopsony market is at small competing level with high concentration.  The obstacles faced by marketing agencies to enter the market were businesscapital and price.  The efficiency of marketing channel at channel 1 was 19.956% for its margin and 80.04% for its farmer’s share and at channel 2 19.888% for its margin and 80.11% for its farmer’s share. Keywords : Farmer’s share, Margin, Market concentration, Marketshare, and Obstacles to entering market.
PENGETAHUAN SIKAP DAN TINDAKAN PETANI BAWANG MERAH DALAM PENGGUNAAN PESTISIDA (Studi Kasus di Kabupaten Nganjuk Propinsi Jawa Timur) Luluk Sulistiyono; Rudi C. Tarumingkeng; Bunasor Sanim; Dadang Dadang
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 15, No 1 (2008)
Publisher : Universitas Tadulako

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Abstract

The aim of the research was to probe farmer’s knowledge, attitude and action on the use of pesticide and its impact on the health of the farmers and the population of various organisms.  The research was conducted in the production center of shallot at Nganjuk regency of East Java Province from March to August 2002 and used the survey method.  The number of respondents was 192 farmers selected based on the Stratified Sampling method at six villages from three sub-districts.  The results showed that the SLPHT farmers had a high level of attitude and knowledge on the use of pesticide whereas the non-SLPHT farmers only had low to moderate level of both.  However, the farmer’s attitude and knowledge were not implemented when they applied the pesticide on their crop.  Harmful effects of the pesticide misuse have degraded the farmer health with symptoms such as unconscious, blindness and also acetilcollin enzyme disorder.  The population of local organisms was also reduced.  In conclusion, the farmers had overlooked their own knowledge and attitude when pesticides were applied in the field, consequently the farmers’ health were at risk.
DAMPAK PENGEMBANGAN PERKEBUNAN KAKAO RAKYAT MELALUI P2WK TERHADAP DISTRIBUSI PENDAPATAN DI KABUPATEN DONGGALA SULAWESI TENGAH Novia Dewi
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 17, No 3 (2010)
Publisher : Universitas Tadulako

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Abstract

The policy objective for cacao agribusiness development in the province of Central Sulawesi was directed toward the improvement of production, farm income and employment. In fact, there numerous cases such as scarcity and high prices of inputs, and farmer’s limited capital have become obstacles in these efforts,. The objective of this study was to evaluate the effect of P2WK project upon income of the cacao farm and its respected income distribution. The results of this study indicated that the P2WK project had affected upon income improvement through better land use, fertilizer, pesticide and the use of non-household labor, but then it was followed by disproportionate distribution of their income.

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