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AgroTech Journal
ISSN : 25485121     EISSN : 25485148     DOI : -
Core Subject : Agriculture, Social,
AgroTech Journal (ATJ) is oriented to the regular publishing of research in the areas of agrotechnology. This journal is blind peer reviewer that applies an Open Journal System (OJS). The areas include agriculture, seed science, and technology, agronomy, horticulture, plant biotechnology, soil biotechnology, plant pests and diseases, plant breeding, plant physiology, fertilizers, and fertilization.
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Articles 5 Documents
Search results for , issue " Vol 4, No 1 (2019): Agrotech Journal (ATJ)" : 5 Documents clear
Mechanism of Toxicity and Tolerance in Plants Against Aluminum Stress Adawiyah, Robiatul; Afa, Musadia
Agrotech Journal Vol 4, No 1 (2019): Agrotech Journal (ATJ)
Publisher : Universitas Sembilanbelas November Kolaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (877.839 KB) | DOI: 10.31327/atj.v4i1.910

Abstract

Aluminum (Al 3+) is rhizotoxic ions in the soil (mineral) acid. Al activities increases with increasing soil acidity, below pH 5.5 the solubility of Al 3+ cations will increase. High level of soluble can cause interference with metabolic processes and plant physiology. Cumulatively, the physiology of metabolic disorders and initially looked at the root system. The tip of the root and lateral roots become thickened and hair and roots become lower, causing a decrease in root length and root tissue enlargement thus inhibiting the growth of roots, the absorption of nutrients and water, will further lower the growth, production and productivity of crops. Although Al disrupt metabolism and suppress the growth of the plant, until a certain threshold of adverse effects in Al still be tolerated, depending on the type of plant and the level of activity of Al. Tolerance of crops to Al can be expressed through two mechanisms, namely: external tolerance mechanism and internal tolerance mechanism. The main difference between the two mechanisms is in the area of detoxification Al whether in symplast (internal) or apoplast (exclusion). The ability of plants to be able to adapt to drought stress Al, depends on the ability of plants to produce organic acid in an amount sufficient for eliminating the toxic influence of stress Al. Root exudates of plants capable of producing such an organic acid that plays an important role in adaptation strategies. The high production of organic acids is associated with the formation of specific enzymes, as a response to stress Al. Allegedly the sensitive strain, the synthesis of organic acids is not adequate to chelate Al
Contribution and Distribution of Farmers Income of Palm Oil (Elaeis guineensis Jacq.) in Pewisoa Jaya Village Tanggetada Sub-District Kolaka Regency Amin, Muhtar; Sudirman, S.
Agrotech Journal Vol 4, No 1 (2019): Agrotech Journal (ATJ)
Publisher : Universitas Sembilanbelas November Kolaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1265.846 KB) | DOI: 10.31327/atj.v4i1.912

Abstract

The objective to be achieved is to determine the contribution of oil palm farmers' income to the total income of farmers in Pewisoa Jaya Village, Tanggetada District, Kolaka Regency. To determine the income distribution of oil palm farmers in Pewisoa Jaya Village, Tanggetada District, Kolaka Regency. on the results of the study it can be concluded that the contribution and distribution of income of oil palm farmers is 25,10 % harvest season, the average income of oil palm farmers is 61,42 % per harvest year while the contribution of oil palm farming is 25.10% of the total income of oil palm farmers, and the distribution of income of oil palm farmers is 0.004. the condition is still very low or the community is less prosperous in Pewisoa Jaya Village, Tanggetada District, Kolaka Regency
Phenotypic Performance of Kanesia-10 Cotton (Gossypium hirsutum L.) Variety Through the Use of Liquid Organic Fertilizers in Low Land Yamin, Mayasari; Hairuddin, Rahman; Thamrin, Nining Triani; Suddartik, Eka
Agrotech Journal Vol 4, No 1 (2019): Agrotech Journal (ATJ)
Publisher : Universitas Sembilanbelas November Kolaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (886.469 KB) | DOI: 10.31327/atj.v4i1.917

Abstract

The program of cotton variety improvement is carried out by increasing the productivity and quality of fiber in order to rise the competitiveness of cotton farming through the production of fiber quality that is in accordance with the demand of export-oriented national textile industry. This study aimed to determine the performance of the Kanesia-10 cotton phenotype cultivated using liquid organic fertilizer in the lowlands and obtain the best concentration of liquid organic fertilizer in improving Kanesia 10 cotton performance. This research was conducted in Experimental Farm of the Faculty of Agriculture of the University of Cokroaminoto Palopo from August to November 2018. The genetic material used was Kanesia 10 cotton variety for its fiber content of 27.2%, production of 2.457,2 kg cotton seed per hectare and fiber uniformity of 83,3-84,6%. This study used a randomized block design consisting of five treatments and four times. The treatment used was control (P0), 50 ml/L POC of gamal leaves (P1), and 100 ml/L of gamal leaves (P2) 150 ml/L POC of gamal leaves (P3), and 200 ml/L POC of gamal leaves (P4), so that there were 20 experimental units. The use of liquid organic fertilizer produces heterogeneous phenotypic performance for the parameters of the number of fruits per plot with a diversity coefficient value reaching 32.93%. The treatment of liquid organic fertilizer with a concentration of 50 ml / L resulted in the performance of plant height, number of leaves, number of fruits per plot, and the best fruit weight per plot with a mean of 64.13 cm, 57.75 strands, 43.00 fruits and 7.60 g, respectively
Plant Growth Analysis of Jack Been (Canavalia ensiformis L.) at Different Spacing to Determine the Application Time of Cutback Technology Nurmuliana, N.; Akib, Muh. Akhsan
Agrotech Journal Vol 4, No 1 (2019): Agrotech Journal (ATJ)
Publisher : Universitas Sembilanbelas November Kolaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1185.017 KB) | DOI: 10.31327/atj.v4i1.907

Abstract

AbstractThe growth of jack bean (Canavalia ensiformis L) is affected by genetic and environmental factors.  One of the environmental factors involved is growing space. Growing space related to each plant of areas occupied is stated by the distance between plants. A Research has been conducted as long three months in dry season with average daily temperature of 25 to 31OC on altitude of 25 to 500 meter, to determine the timing of the application of cutback technology based on an analysis of growth of jack bean plants (Canavalia ensiformis L) in different growth spaces.  The research was conducted in the trial form using a randomized block design. Variables of plants growth analysis observed is leaf area index (LAI), leaf area is computed by gravimetric method; net assimilation rate (NAR), and relative growth rate (RGR) is determined based on the dry weight of plants; in all three rooms grew, namely 75 cm x 100 cm (control), 75 cm × 75 cm and 75 cm × 50 cm, each repeated three times. The result shows that the trend of leaf area index increased at net assimilation rate (g-1.cm-2.week-1) and relative growth rate (g-1.g-1.minggu-1) decreasing at the time the plant to the age 8 weeks after planting.  The best time for the application of reduction technology to jack bean plants (Canavalia ensiformis L) in all tested growing spaces, is recommended when plants are between 7 and 8 weeks after planting
Increasing The Production of Thai Eggplant (Solanum melongena L.) Grown at Altitude of 2 Masl Using Mycorrhizal Biofertilizer Hairuddin, Rahman; Sachril, S.
Agrotech Journal Vol 4, No 1 (2019): Agrotech Journal (ATJ)
Publisher : Universitas Sembilanbelas November Kolaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1033.891 KB) | DOI: 10.31327/atj.v4i1.908

Abstract

This study was aimed to increase the production of Thai eggplant (Solanum melongena L) grown at altitude of 2 masl using myccohirzal biofertilizer. The study was conducted in Experimental Farm of Agricultural Faculty of Campus II University of Cokroaminoto Palopo, Batu Pasi Sub-district, Wara Utara District, Palopo City. This research applied the method of Randomized Block Design with four replicants and five treatments; P0 = Without treatment (control), P1 = Mycorrhizal fertilizer of 5 gr/plant, P2 = Mycorrhizal fertilizer of 10 gr/plant, P3 = Mycorrhizal fertilizer of 15 gr/plant, and P4 = Mycorrhizal fertilizer of 20 gr/plant. Research of this study showed that one treatment significantly affected the root length of eggplant, namely P2 with root length of 39.42 cm. In general, application of mycorrhizal fertilizer did not significantly affect the growth and production of eggplant, but several doses resulted in better outcome. Treatment of P3 obtained the best plant height of 9.22 cm, while the best average flowering age was found in P2 and P4 of 31.8 days after planting. Moreover, P3 and P4 produced the most number of flower, namely 3.83 flowers, while the most number of fruits was obtained by P4 of 3.53 fruits. At last, P3 produced the heaviest fresh weight of fruit of 221.13 gram

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