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INDONESIA
AGROLAND
Published by Universitas Tadulako
ISSN : 0854641X     EISSN : 24077607     DOI : -
Core Subject : Agriculture,
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.
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Articles 11 Documents
Search results for , issue " Vol 17, No 1 (2010)" : 11 Documents clear
VIABILITAS DAN VIGOR BENIH BAWANG MERAH PADA BEBERAPA VARIETAS SETELAH PENYIMPANAN Maemunah, Maemunah
AGROLAND Vol 17, No 1 (2010)
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Abstract

The main obstacle frequently encountered by farmers of red onions in farming business is a lack of high quality seedling sources causing many farmers had to grow on low quality seeds. Therefore, the production resulted was very low and the seeds were very small. Technology of seed production and storage are expected to supply quality seeds when required in enormous amount. The research aims at determining the effect of varieties and length of storage time on viability and vigor of onion seeds. The research employed a randomized block design with two factorial experiment. The first factor was red onion variety consisting of Lembah Palu variety and Palasa variety.  The second factor was the length of storage time consisting of three levels: 20 days, 40 days and 60 days. Water content and seed loss of the red onions stored depended on the varieties and the length of storage time. The water content of the Lembah  Palu and Palasa varieties stored for 60 days was 74-76 %,  yet the weight loss of the Lembah  Palu variety was about >50% larger than that of the Palasa variety which was only about >35%. Germinating capacity of both varieties after 60 days storage was better (> 85 %). Vigor of the Palasa seeds were higher than that of the Lembah Palu seeds.
PERTUMBUHAN AWAL DAN EVAPOTRANSPIRASI AKTUAL TANAMAN TOMAT (Lycopersicum esculentum Mill) PADA BERBAGAI UKURAN AGREGAT INCEPTISOLS Hasanah, Uswah; Ardiyansyah, Ardiyansyah; Rosidi, Ayip
AGROLAND Vol 17, No 1 (2010)
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Abstract

Soil structural unit distribution in seedbed tilth can affect plant growth, in part by modifying hydraulic properties and resistance of soil. The purpose of the study was to determine the early        growth and actual evapotranspiration of tomato plant as influenced by various soil aggregate sizes.      Soil bulk density, shoot and root dry matter, root length, and evapotranspiration of tomato plant grown on <0.5 mm, 0.5.0-2.0 mm, 2.0-4.0 mm, and >4 mm of aggregate sizes were determined 5 weeks       after planting.  The bulk density consistently decreased with increasing aggregate size.  Shoot dry matter in the 0.5-2.0 mm aggregate size was 3.34 g which was twice and 1.3 times greater than that in              2.0-4.0 mm and < 0.5 mm aggregate size, respectively.  Similar trend was also shown by root dry matter and root length. The root length was greatly reduced in 2.0-4.0 mm aggregate size. Actual evapotranspiration in <0.5 mm was 28.56 cm slightly higher than in 0.5-2.0 mm aggregate size.
VIGOR KEKUATAN TUMBUH BIBIT AREN TERHADAP KEKERINGAN PADA MEDIA TUMBUH CAMPURAN TANAH DAN BAHAN ORGANIK Fathurrahman, Fathurrahman; Saleh, Muhammad Salim; Somba, Bunga Elim
AGROLAND Vol 17, No 1 (2010)
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Abstract

The research aimed to investigate seedling vigor of sugar palm from three different locations of mother plant grown in media of soil-organic matter (OM) mixture under drought condition in pre-nursery.  The experiment was conducted at the Analytical and Seed Technology Laboratories, and the Academic Garden of Agriculture Faculty, Tadulako University from June to October 2008. A Split Split Plot Design was used with three factors:  mother plant place of origin consisted of three locations, i.e Parigi, Palolo and Napu.  Media composition, consisted of two levels i.e Soil : OM (1:1) and soil : OM (2:1).  Water status consisted of two levels i.e optimum (100% field capacity) and sub-optimum (50% field capacity).  The treatments were replicated three times, thus there were 36 experimental units.  The seedlings of the hole locations have the same vigor and hypothetic vigor index when growing in mixture of soil : OM (2:1), although under sub-optimum water status (50% field capacity).
PERUBAHAN SERAPAN NITROGEN TANAMAN JAGUNG DAN KADAR Al-dd AKIBAT PEMBERIAN KOMPOS TANAMAN LEGUM DAN NONLEGUM PADA INSEPTISOLS NAPU Isrun, Isrun
AGROLAND Vol 17, No 1 (2010)
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Abstract

The glass house experiment conducted was aimed at identifying changes in N uptake by maize plant and soil exchangeable aluminum at Inceptisol Napu.  The experiment used a Randomized Block Design with treatments consisting of 10 t ha-1 compost of various types:  n 0= with no compost (control), n a= cacao compost, nb= maize residue compost, n c= paddy straw compost, n d= johar compost, ne= gamal compost, and nf= ground nut  residue compost. Each treatment was replicated three times. Sweet maize was used as a tested plant with parameters observed were: (1) soil pH, (2) soil Ntot, (3) Alexch, and (4) N uptake.  Data were analysed using ANOVA in conjunction with Tukey’s honestly significant different test at 5% level. The experimental results showed that the compost significantly improved the soil chemical characteristics such as increasing soil pH and soil Ntot and N uptake, and decreasing Alexch. The N upatake by maize was also increased with the highest uptake found in the johar compost treatment.
RESPON VARIETAS KUBIS (Brassica oleraceae) DATARAN RENDAH TERHADAP PEMBERIAN BERBAGAI JENIS MULSA Ramli, Ramli
AGROLAND Vol 17, No 1 (2010)
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Abstract

The experiment was conducted at Rindau Countryside, Province of Central Sulawesi which has elevations about 150 m above sea level. Average daily temperature was about 22 – 290C. The objective of the research was to on condition of Central Sulawesi lowland climate (Palu) through the application og mulch the treatment mulch. The experimental design was 5 x 3 factorials design with 2 factors which were arranged in Randomized Block Design with 3 replications. The first factor was variety which is consisted of KK-Cross, Grand 11, Intani, KS-Cross, Galaxi. The second factor was mulch which is consisted of unmulches, straw mulch, black-silver plastic mulch. There was response of both treatments between variety and mulch on plant growth which it can be see on crop growth rate at age 20 - 40 day after planting. However, there was no response of the two treatments at 50 days after planting. Treatment of straw mulch and black-silver plastic mulch can not increase crop fresh weight. The best of crop fresh weight was KS-Cross variety ( 43 ton ha-1) and unmulch treatment is of 40 ton ha-1. The result was higher than the average result of mean of lowland varieties which was only  about  4 - 31 ton ha-1
PENGARUH KONSENTRASI PATI AREN DAN MINYAK SAWIT TERHADAP SIFAT FISIK DAN MEKANIK EDIBLE FILM Rahim, Abdul; Nur Alam, Nur Alam; Haryadi, Haryadi; Santoso, Umar
AGROLAND Vol 17, No 1 (2010)
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Abstract

The general aims of the research were to develop the utilization of palm sugar starch and to identify the optimal condition for processing edible film. The specific objectives of the research were to determine the palm sugar  starch and palm oil concentrations for processing the edible film from natural palm sugar starch. Processing edible film from natural palm sugar starch was done by making palm sugar starch suspensions  with various treatment concentrations of 1.6%, 2.0%, 2.4%, and 2.8% (w/v).  Whereas the palm oil concentrations were 10%, 20%, and 30% (w/w).  Parameters observed were physical, and mechanical characteristics including thickness, water vapor transmission rate (WVTR), tensile strength, and elongation. All treatments were replicated three times.  Statistical data analysis used Software Statistical Product and Service Solution (SPSS) version 13th with One Way Anova and Univariate Analysis of Variance at 5% significant level in conjunction with Duncan’s method for mean comparisons. The research result showed that the optimum condition of  palm sugar starch concentration for edible processing film was found at 2.8% (w/v) with mechanical and physical characteristics of 0.092 mm thickness, 3.737 g m-2 h-1 WVTR, 23.877 MPa tensile strength, and 1.727% elongation. Whilst the optimum condition for the palm oil concentration was 10% (w/w) with mechanical and physical characteristics of 0.097 mm thickness, 16.623 g m-2 h-1 WVTR, 21.847 MPa tensile strength, and 1.507% elongation.
STUDI BIOAKTIVITAS DAN ISOLASI SENYAWA BIOAKTIF TUMBUHAN Euphorbia tirucalli L. (EUPHORBIACEAE) SEBAGAI INSEKTISIDA BOTANI ALTERNATIF Toana, Moh. Hibban; Nasir, Burhanuddin
AGROLAND Vol 17, No 1 (2010)
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Abstract

The objective of this research were to identify the groups of secondary metabolites which act as bioactive in E. tirucalli plants, to isolate and determine those compounds, and to determine the bioactivity and toxicity of each purified compound. The research results showed that the extraction using ethanol solvent produced more extract yield of 6.6% (23.11 g)  compared  with acetone solvent (1.74% or equal to 6.08 g), while hexane solvent resulted in extract yield of 0.05% (1.74 g).  Isolation and purification of E. tirucalli leaf extract by ethanol solvent produced 5 metabolites compounds including alkaloid, flavonoid, triterpenoid, and hydroquinone.  While the acetone solvent produced 6 metabolites compounds including alkaloid, flavonoid, steroid, triterpenoid and hydroquinone. E. tirucalli leaf extracted by acetone solvent has highest toxicity, in which concentration of 2% was able to cause 50% mortality of P xylostella insects tested, compared with the ethanol solvent at a concentration of 3%.
ANALISIS PRODUKSI DAN KOMPARATIF ANTARA USAHATANI JAGUNG HIBRIDA DENGAN NONHIBRIDA DI KECAMATAN PALOLO KABUPATEN SIGI Antara, Made
AGROLAND Vol 17, No 1 (2010)
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Abstract

This research aimed to identify : (1) factors influencing production of hybrid and non-hybrid corn, and (2) the disparity of income between hybrid and non-hybrid of corn agribusiness. The research was conducted in 3 villages of Palolo Subdistrict,  namely: Bobo, Bunga and Berdikari. Sixty six farmers (34 hybrid corn farmers and 32 non-hybrid corn farmers) were chosen as sample respondents based on randomized sampling. The results of the research showed that all variables observed were found to influence the hybrid corn production, except for experience in agribusiness. Similarly, production of the non-hybrid corn was also influenced by all variables, except for the amount fertilizer used and experience in agribusiness. The income of the hybrid corn agribusiness for one planting season was IDR 4,882,225.79 ha-1 higher than IDR 2,691,452.10 for the income of non-hybrid corn agribusiness
PENGARUH INVESTASI SEKTOR PERTANIAN DAN INDUSTRI PENGOLAHAN HASIL PERTANIAN DI PROVINSI SULAWESI TENGAH Rauf, Rustam Abd.; Daryanto, Arief; Mangkuprawira, Sjafri; Priyarsono, D. S.
AGROLAND Vol 17, No 1 (2010)
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Abstract

This research aims to analyze the agricultural and agricultural industrial processing sectors which contribute highest role based on input and output market transaction mechanism. The finding showed that the degree of sensitivity index was less than one (0.7678). Similarly, the index of backward linkages for agricultural sector on industries and services was also less than one (0.9199). This finding indicates that the agricultural sector has not yet either used output from other sectors or push investment decisions to use its output. The same finding has also been occured for its supply for input.
ANALISIS PRODUKTIVITAS SAPI BETINA INDUK DI SULAWESI TENGAH Kasim, Kaharuddin; Sagaf, Sagaf; Languha, Abdul Basir; Malewa, Amiruddin Dg.
AGROLAND Vol 17, No 1 (2010)
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Abstract

The research conducted was aimed at  investigating animal farming in Districts of Donggala, Parigi Moutong, and Banggai in Central Sulawesi. There were two subdistricts chosen as sampling sites from each disrict, and one village was chosen to represent each subdistrict. The villages were Malonas village (Damsol Subdistrict) and Sibedi village (Marawola Subdistrict) in Donggala, Parig Mpu village (Parigi Subdistrict) and Lambunu village (Tinombo Subdistrict) in Parigi Moutong, and Sinorang village (Batui Subdistrict) and Bualemo village (Bualemo Subbdistrict) in Banggai. The study sites were selected using a stratified sampling technique and was based on the highest cattle population number. Data were collected from field through a direct interview with respondents, which was aided with quetionnaries. The number of respondents (cattle keeper) interviewed was between 20 – 30% of the total population. The research results indicated that 78.56% of the respondents operated the cattle farms to increase the family income, but in the reality almost all farms was not feasible because of low cattle ownership and limited farmers’ skill in animal husbandry practices. On average, 87.98% of the respondents operated their cattle farms traditionally, 10.17% of them in category of semi intensive system while only 1.85% of them apply an intensive system. This led to a low technical coefficient for each individual variable of the cattle farms.

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