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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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ANALISIS KERAPATAN POPULASI NEMATODA PARASITIK PADA TANAMAN TOMAT (Lycopersicum esculentum Mill.) ASAL KABUPATEN SIGI BIROMARU Johanes Panggeso
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 17, No 3 (2010)
Publisher : Universitas Tadulako

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Abstract

The purpose of this study was to determine the population density of parasitical nematodes on tomatoes. This research used a purposive sampling survey in jonooge and Sidera villages Sigi Biromaru sub district Donggala regency.  The research results showed that the nematode population density in jonooge village was 71.00 JI/10 g roots and 63.33 JI/100 g soil whereas in sidera village 43.00 JI/10 g roots and 38.00 JI/100 g soil.
PENGARUH GANDA KOMODITI UBI KAYU DALAM PEREKONOMIAN SULAWESI TENGAH M.R. Yantu; Yulianti Kalaba; Sisfahyuni Sisfahyuni
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 20, No 1 (2013)
Publisher : Universitas Tadulako

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Abstract

The  aim of this study were (i) to analyze multiplier effect of cassava commodity in economy of Central Sulawesi, and (ii) to analyze trend of the multiplier effect during the last decade. Methods of analyses used were analyses of multiplier effect of Tiebout economic base model, and analyses of trend.  Data used were secondary data of time series 2000 – 2011, i.e.  Data of GDRP of Central Sulawesi by sector, area size, volume of production, and prices of all kinds of cassava. The result   of analyses showed that coefficient of multiplier effect of the cassava commodity in economy of Central Sulawesi was more than one. It indicated that investment of developing for the commodity in Central Sulawesi is feasible. In the long-run, the coefficient tends to increase.  It indicates that continuously investment for the commodity to increase the performance of economy of Central Sulawesi is feasible. Key Words : Cassava, economy of Central Sulawesi, multiplier effect.
ANALISIS FAKTOR-FAKTOR YANG MEMEGARUHI PRODUKSI PADI SAWAH DI DESA UETOLI KECAMATAN AMPANA TETE KABUPATEN TOJO UNA-UNA Tri Ifgayani; I Made Antara; Lien Damayanti
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 26, No 2 (2019)
Publisher : Universitas Tadulako

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Abstract

            This study aimed to analyze factors affecting lowland rice production in Uetoli village of Ampana Tete sub-district. This village is one of the centers of rice production in Tojo Una-Una district. Population of this study was lowland rice farmers in Uetoli village within which 34 respondents were selected.  Data collected was analyzed using the Cobb-Douglas production function analysis. The results of the study indicated that those variables such as land area (X1), number of seeds (X2), urea fertilizer (X3), phonska fertilizer (X4), and labor (X5) were simultaneously affected the rice production with F-counted value was 58.53 larger than the F-table (3.76) at 1% significance level (α) and R2 value was 0.955 indicating that 95.5% of variation in the rice production (Y) can be described by these variables. The coefficient regression was 0.429 for the land area (X1), 0.217 for the number of seeds (X2), 0.169 for the amount of urea fertilizer (X3), 0.163 for phonska fertilizer (X4), and 0.155 for the labor (X5). Keywords : Cobb-Douglas Production Function, Lowland Rice, and Regression.
RESPON TANAMAN TOMAT (Lycopersicum esculentum Mill) PADA AWAL PERTUMBUHAN TERHADAP KERAGAMAN UKURAN AGREGAT ENTISOL Uswah Hasanah
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 16, No 2 (2009)
Publisher : Universitas Tadulako

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Abstract

The distribution of soil structural units controls theavailability of oxygen, water, and the resistance to penetration by shoots and roots in seedbeds created by tillage. The objective of this study was to determine the effects of variation in soil aggregate size distribution on early growth and evapotranspiration of tomato. Fresh and dry matter of tomato, root length and evapotranspiration, determined 5 weeks after planting, were evaluated in a green house experiment with packed soil aggregates sieved from an Entisol. A complete randomized design of 3 different aggregate size distribution (<0.5; 0,5-2; and 2-4 mm) was applied. Increasing aggregate size distribution caused the fresh and dry matter of shoot and root and root length to increase corresponding to decrease in soil bulk density. The aggregate size distribution of 2-4 mm produced the most optimal Entisol structure for early growth of tomato.
SIFAT SENSORIS ASAP CAIR TEMPURUNG KELAPA HASIL ADSORPSI PADA ZEOLIT syahraeni kadir
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 22, No 1 (2015)
Publisher : Universitas Tadulako

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Abstract

Liquid smoke has a strong and pungent distinctive aroma caused by some contributor compounds within the product including phenolic, carbonyl and acid. Adsorption using zeolites in this study aimed to reduce the levels of strong pungent aroma contributor compounds so that the liquid smoke can be accepted by consumers. Zeolite of various pH ie. 2, 3, 4, 5 and 6 were used as adsorbent liquid smoke. The fraction produced the adsorption was sensory analyzed by 20 panelists selected.  The liquid smoke fraction selected based on the results of sensory testing was further analyzed using GC-MS. Data was analyzed using analysis of variance (ANOVA) with SPSS software version 16, followed by Duncan range test at 1% level. The results showed that of 25 fractions of coconut shell liquid smoke generated by the zeolite adsorption at pH range of 2 – 6, 14 fractions were qualified for sensory tested while the remaining fractions had strong and pungent aroma. The contributor substances with strong and punge aroma in the liquid smoke found include phenol groups, carbonyl and acid. The adsorption of coconut shell liquid smoke using zeolite effectively reduce strong pungent aroma of the product. It is necessary to evaluate the shelf life of the liquid smoke adsorbed by zeolite.
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.
JUMLAH INANG DAN KEPADATAN PARASITOID: PENGARUHNYA TERHADAP PERILAKU SELFSUPERPARASITISM PARASITOID Trichogramma chilotraeae NAGARAJA & NAGARKATTI (HYMENOPTERA: TRICHOGRAMMATIDAE) Hasriyanty Hasriyanty
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 identify the influences of the number of hosts and the density of parasitoid on the behavior of selfsuperparasitism at Trichogramma chilotraeae. The behavior of selfsuperparasitism was studied by examining the percentage of selfsuperparasitism as affected by the variability of host number (3, 6, 12, 24 and 48) exposed to 1 and 2 female parasitoids. A descriptive analysis was conducted in order to identify an ovipositioning sequence. The results indicated that the number of hosts significantly affected the  selfsuperparasitism percentage in the exposing treatments 1 and 2. The percentage of selfsuperparasitism was positively correlated with the ratio of the host number and the female parasitoid density. The tendency of the selfsuperparasitism behavior occurred in the early stage of ovipositioning.
EFISIENSI FAKTOR PRODUKSI DAN PENDAPATAN PADI SAWAH DI DESA MASANI KECAMATAN POSO PESISIR KABUPATEN POSO Effendy Effendy
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 17, No 3 (2010)
Publisher : Universitas Tadulako

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Abstract

This research aimed to identify the use efficiency of production factors and the income level of wetland rice farm at Masani Village of Poso Pesisir Sub district of Poso Regency. This Location was purposively determined. Respondents were determined using a simple random sampling method.  The number of samples was 63 people taken from population of 167 people. The Cobb-Douglas production function was used to analyze the use efficiency of wetland rice farm production factors and the level of income was descriptively analyzed. Results of the research showed that (1) factors such as farm area size, seed, fertilizer and labor were not efficiently used in the wetland rice farm at Masani Village of Poso Pesisir Sub district, so increasing these factors are required to reach maximal production and income, and (2) the income of the wetland rice farmers at Masani Village of Poso Pesisir Sub district can be divided into three levels included low income equal             to 30.16%, medium 38.10%, and high 31.74%.
PERTUMBUHAN GULMA DAN HASIL KACANG TANAH PADA BERBAGAI KERAPATAN TANAM Hidayati. Mas’ud
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 20, No 2 (2013)
Publisher : Universitas Tadulako

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Abstract

This research was conducted in the Sub District of Sigi Biromaru Loru District Donggala. The research used a randomized completely block design (CBD) with 7 kinds of planting        spaces included J1 = (15 x 15) cm2, J2 = (15x 20) cm2, J3 = (20 x 20) cm2, J4 = (20 x 25) cm2,       J5 = (25 x 25) cm2, J6 = (25 x 30) cm2, and J7 = (30 x 30) cm2. Each experimental unit was repeated 4 times, so that there were 28 units. Observation was done on the Some Dominance Ratio (SDR)   of weeds, number of pods containingseeds plant-1,podweightcontaining seeds plant-1, weightof   pods ha-1, weight of 100 seed grainsand dried beans yield. Data were analyzedusinganalysis of variance. Ifthe effect was significant then the test was continued using Honest Significance Difference at 5% level. Largest SDR was found in nut grass group (46.92%, Cyperus rotundus) followed by broadleaf grass group (24.62%, Trianthema portulacstrum), and barnyard grass group (15.84%, Echinocloa crussgalli). Various planting spaceshad significant effect on peanut yield components ie. number of pods containing seeds plant-1, weight of pods containing seeds plant-1 and pod weight ha-1. The planting space of 20 cm x 25 cm increased peanut yield. Key Words : Crop density,peanut yield, and weeds growth. 
ANALISIS PERANAN SEKTOR PERTANIAN, KEHUTANAN DAN PERIKANAN PADA PEREKONOMIAN KABUPATEN DELI SERDANG Fransisca Wenny AWS; Rita Herawaty Bangun
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 26, No 3 (2019)
Publisher : Universitas Tadulako

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Abstract

Penelitian ini bertujuan untuk menganalisis posisi setiap subsector pertanian, kehutanan, dan perikanan dan menganalisis pergeseran pertumbuhan sektor pertanian, serta menganalisis subsektor yang menjadi unggulan dalams ektorpertanian, kehutanan dan perikanan, pada struktur perekonomian di Kabupaten Deli Serdang. Penelitian ini menggunakan 3 (tiga) analisis yaitu: typology klassen (TK), loqation question (LQ) dan shift share (SS). Analisis TK menunjukkan bahwa kabupaten Deli Serdang termasuk daerah yang mempunyai potensi untuk berkembang dan tumbuh secara ekonomi dalam sector pertanian di Sumatera Utara. Analisis LQ menunjukkan bahwa pada subsector tanaman pangan, perkebunan semusim, tanaman hortikultura tahunan dan lainnya, peternakan, jasa pertanian dan perburuan, serta perikanan merupakan subsector unggulan di Kabupaten Deli Serdang. Sedangkan analisis SS menunjukkan bahwa pada subsector tanaman hortikultura semusim dan subsector kehutanan dan penebangan kayu mempunyai daya saing yang tinggi dan berpotensi untuk maju dan tumbuh yang dapat meningkatkan pertumbuhan ekonomi Kabupaten Deli Serdang. Kata kunci:   Sektor Pertanian, Potensi Ekonomi, Typology Klassen, Loqation Question, dan Shift Share.

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