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Agrica: Journal of Sustainable Dryland Agriculture
Published by Universitas Flores
ISSN : 27156613     EISSN : 27154955     DOI : https://doi.org/10.37478/agr
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Chemistry
Agrica: Journal of Sustainable Dryland Agriculture is a journal that presents a platform for sharing knowledge in science and technology related to Sustainable Dryland Agriculture. Its studies are agronomy, pest and plant diseases, soil science, agricultural conservation and ecology, organic farming, agrobiodiversity, agrotourism, permaculture covering the economic aspects of dryland sustainable agricul¬ture (agribusiness, agricultural socio-economic,, agroindustry), agricultural diversification, land and water conservation, agricultural climate, food security, animal welfare concept, mechanization, science and food technology in a dryland environment.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 267 Documents
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PENGARUH DOSIS PUPUK MIKORIZA VESICULAR ARBUSKULAR TERHADAP SIFAT KIMIA TANAH PADA TANAMAN KEDELAI (Glycine max (L) Merr) Julianus Jeksen
AGRICA Vol. 5 No. 1 (2012): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (331.5 KB) | DOI: 10.37478/agr.v5i1.441

Abstract

This study aims at determining the influence of vesicular-arbuscular mycorrhiza dosage on soil chemical properties of soybean and its optimum dosage that can increase the soil available-P on crops of soybean. This research was conducted in Lokoboko village, Ndona Subdistrict of Ende regency. This study used Randomized Block Design and a single-pattern factor consists of five treatments and four replications namely M0 : 0 gr pot-1 or without mycorrhiza, M5: 5 gr pot-1 mycorrhiza, M10: 10 gr pot-1 mycorrhiza, M15: 15 gr pot-1 mycorrhiza and M20: 20 gr pot-1 mycorrhiza. The variables of this study are plant–absorption P (mg tan-1), soil–available P (mg kg-1), soil-organic C (%) and pH of soil. The results showed that the use of vesicular-arbuscular mycorrhiza fertilizer for crops of soybean could increase soil-available P in 56,26%, plant-absorption P in 65%, pH of the soil in 6,06% and soil-organic C in 62,68 %. The use of vesicular-arbuscular mycorrhiza fertilizer on the dosage of 20 g has the better effectivity in increasing soil-available P in the soybean plant.
PENGARUH JARAK TANAM TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KACANG TANAH (Arachis hipogaea L.) Josina Irene Brigetha Hutubessy
AGRICA Vol. 5 No. 1 (2012): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (508.898 KB) | DOI: 10.37478/agr.v5i1.442

Abstract

This research aims at investigating the influence of planting distance towards growth and yield of peanut and optimal planting distance that can raise the growth of peanut seeds. The method used was Randomized Block Design with treatment as follows: J1 = planting distance 10 cm x 15 cm, J 2 = planting distance 15 cm x 15 cm, J 3 = planting distance 10 cm x 20 cm 4, J = planting distance 15 cm x 20 cm, J 5 planting distance = 10 cm x 30 cm, J 6 = 15 cm x 30 cm. Observation Variables in this study are the height of the plant, a number of leaves, leaf area, leaf area index, Podsnumber/Tan, pods weight/Tan, Seedsnumber /Tan, Fresh Seed Weight/Ha, Dry Seed Weight/Tan, heavy Seed dry/Ha, Fresh maximal yield and residues weight/Tan, dry maximal yield and residue/Ha. The result of this experiment found that the use of distance planting can give a good influence on each variable observation, both on the observation of growth as well as on the yield of peanut.
PENGARUH PEMBERIAN DOSIS PUPUK N DAN P TERHADAP PERTUMBUHAN DAN HASIL KACANG PANJANG (Vigna Sinensis L) Murdaningsih Murdaningsih; Yohanes Karol Mbia Wae
AGRICA Vol. 5 No. 1 (2012): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v5i1.443

Abstract

The purpose of this research is to know whether the influence of using fertilizer N and P dosage towards the growth and yield of long beans (vigna sinesis L). This research was carried out in Onelako Village, Ndona subdistrict of Ende regency. The method used was Randomized Block Design with two factors of treatments and three replications. The first factor is nitrogen fertilizer which consists of three dosages namely N0: (non-nitrogen fertilizer), N1 (30 kg/ha), N2 (60 kg/ha) and second factor is phosphor fertilizer which comprises three dosage: P0 (non-phosphor fertilizer)), P1 (50 kg/ha) and P2 (100 kg/ha). Observation variables are the diameter of the rod, leaf number, leaf area, pods length, pods diameter, pods number, fresh weight of pods/plants, fresh weight of pods/ha, fresh maximal yield and residues/ha and harvest index. The result showed that no interaction between two factors of treatment (N x P). Nitrogen fertilization treatment of 60 and phosphor with a dosage of 100 kg/ha (P2) produce the best yields towards all observed variables. The yields of fresh weight of pods per highest plant is 62,56 gr acquired from plants which get N2 and P2 fertilizer. However, the treatments between N1 and N2 do not have a real difference in all observation variables as well as treatment of P1 and P2.
PEMANFAATAN ATRAKTAN NABATI UNTUK PENGENDALIAN LALAT BUAH Bactrocera sp PADA TAANAMAN CABAI (Capsicum annum L.) Yustina Maria Silvia Wonga Puu
AGRICA Vol. 5 No. 1 (2012): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v5i1.444

Abstract

The research aimed to know the use of vegetable attractants for monitoring fruit flies (bactrocera sp) and to know the most effective attractant on trapping fruit flies of chilli plant (Capsicum annum L). The method used in this study was Randomized Block Design namely treatment without attractan (A0), Steiner + guava attractan (A1), steiner + custard apple attractan (A2), steiner + banana attractan (A3), steiner +papaya attractan (A4). The variable is a population of fruit flies, the number of rotten fruit, and rotten intensity of fruit. The result showed that the use of vegetable attractan is effective in monitoring fruit flies pest, in which population of fruit flies pest was trapped about 27.74 %, a number of rotten fruit is 23,38 % and rotten intensity is 18,64 %. Custard apple attraction gave the highest influence on all observed variables.
PENINGKATAN KETERSEDIAAN DAN SERAPAN NPK SERTA HASIL TANAMAN JAGUNG BISI-16 MELALUI INOKULASI MIKORIZA DAN PUPUK NPK PADA ALFISOL Yovita Yasintha Bolly
AGRICA Vol. 5 No. 1 (2012): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v5i1.445

Abstract

This study is to investigate the influence of mycorrhiza isolates with different origin rhizosphere and fertilizer NPK with different dosage to the availability and absorption of NPK as well as the corn yield and to determine the optimum dosage of fertilizer NPK in each mycorrhiza isolate with different origin rhizosphere and availability and uptake of NPK and corn yields and to determine the optimum dosage of fertilizer NPK for each different origin rhizosphere of isolates mycorrhizal inoculated against corn yield. This study used complete Randomized Block Design (CRBD) consisting of 20 treatment combinations with three replications, they are without mycorrhiza and without fertilizer (m0p0) without mycorrhiza + 25% dose of NPK (m0p1) without mycorrhiza + 50% dose of NPK (m0p2) without mycorrhiza + 75% dose of NPK (m1p3) without mycorrhiza + 100% dose of NPK (m1p4), origin rhizosphere mycorrhiza of the of corn plants + 100% dose of NPK (m2p2) without fertilizer (m1p0) mycorrhiza origin of the rhizosphere of corn plants+ 25% dose of NPK (m1p1) mycorrhiza origin rhizosphere of plants corn + 50% dose of NPK (m1p2) origin rhizosphereof mycorrhiza the corn plants+ 75% dose of NPK (m1p3), mycorrhiza origin of the rhizosphere of corn plants+ 100% dose of NPK (m1p4), origin rhizosphere of mycorrhiza the cassava + without fertilizers ( m2p0), origin of mycorrhiza of the cassava + 25% dose of NPK (m2p1), origin rhizosphere of mycorrhiza of cassava + 50% dose of NPK (m2p2), origin rhizosphere of mycorrhiza of cassava + 75% dose of NPK (m2p3), origin rhizosphere of mycorrhiza of cassava + 100% dose of NPK (m2p4) mycorrhizal from serpong + without fertilizer (m3p0), mycorrhiza from serpong + 25% dose of NPK (m3p1), mycorrhiza from serpong + 50% dose of NPK (m3p2), mycorrhiza from serpong + 75% dose of NPK (m3p3), mycorrhiza from serpong + 100% dose of NPK (m3p4). The results showed that mycorrhiza treatment and dosage of fertilizer NPK can increase the availability of NPK, NPK uptake, dry weight of plant and dry weight of seed. Regression test showed the optimum dosage of NPK on m0 treatment cannot be determined because it is linear, while the optimum dosage of NPK fertilizer on the treatment of inoculated mycorrhizal of origin rhizosphere of corn (m1) is 50.66% the recommended dose, in the treatment of native mycorrhiza rhizosphere of cassava (m2 ) is 45.11%, and the treatment of mycorrhiza from serpong (m3) is 46.10%.
PENGARUH JARAK TANAM TERHADAP PERTUMBUHAN DAN HASIL TANAMAN SAWI HIJAU (Brassica Juncea L) Emilia S.A. Wangge; Maria Felmi Fowo
AGRICA Vol. 5 No. 1 (2012): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v5i1.446

Abstract

This study aims at determining the optimum planting distance on the growth and yield of Bok Choy Sum plant, determining optimum planting distance of mustard greens plant that can optimize the growth and yield of Bok Choy Cum plant. This study employed group random design with single factor pattern including5 treatments, namelyPD0: Planting Distance 10 cm x 20 cm, PD1: Planting Distance 15 cm x 10 cm, PD2: Planting Distance 15 cm x 15 cm, PD3: Planting Distance 15 cm x 20 cm, PD4: Planting Distance 20 cm x 20 cm. All treatments were repeated four times so that there were 20 specimen garden-beds. The treatment of planting distance on Bok Choy has an impact on plant height, the width of leaves, but it did not have an impact on the number of leaves. The treatment of planting distance on result variable has a real impact on the variable of Bok Choy Sum-1 weight andBok Choy Sum weight ha-1. Planting distance 20 cm x 20 cm can optimize the growth and yield of Bok Choy Sum.
KANDUNGAN C-ORGANIK TANAH DAN TOTAL NITROGEN PADA TANAH VERTISOL YANG TELAH DIBAKAR DAN TIDAK DIBAKAR Ana Juliana Ome; W.I.I Mella; Manuel Pian
AGRICA Vol. 5 No. 1 (2012): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v5i1.447

Abstract

The use of fire in agriculture land preparation may result in the change of various soil properties. Therefore, a study was conducted in the village of Oeteta, Kupang to determine soil total organic-C and total nitrogen of burned and unburned Vertisols. Randomized complete block design with two factors was applied. The first factor was burning treatment with two levels: burned and unburned. The second factor was soil depth with three levels: 0-10cm, 11-20cm and 21-30cm; all together made up 54 experimental units. Results showed that in all depths there was no significant difference in total soil organic-C between burned and unburned soils. However total soil organic-C contents in both burning treatments were considered high. Similarly, the was also no significant difference in total soil nitrogen between burned and unburned plots. Total soil N was considered in high and medium levels for burned and unburned soil respectively. In summary, burning does not affect soil total organic-C contents but reduces soil total N contents.
Uji Efektifvitas Cendawan Mikoriza Lokal Gerogak Lahan Kering dan Komersial Pada Tanaman Jagung (Zea mays L.) Julianus Jeksen
AGRICA Vol. 5 No. 2 (2012): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v5i2.448

Abstract

Dryland in Indonesia has been dominated by acid soils, so that availability of phosphate (P) becomes the main obstacle in improving outcomes and only 10-30% of fertilizer P can be utilized by plants. One of the solution to meet the needs of phosphate is by utilization of mycorrhizal biofertilizer. These experiments were divided into several phases: 1) Looking for phases of mycorrhizal, 2) the laboratory analysis, 3) Testing phase on plants that were carried out by using polybags with sterile soil. The experiment was designed with a complete randomized block design (RAKL) by using a factor that consists of 6 treatments that are: 1) Without mycorrhizal inoculum (M0), 2) Mycorrhizal inoculum 5 g + 50 Spores (M5), 3) Mycorrhizal inoculum 10 g + 50 spores (M10), 4) Mycorrhizal inoculum 15 g + 50 spores (M15), 5) Mycorrhizal inoculum 20 g + 50 spores (M20), 6) Commercial mycorrhizal 10 g (Mk). All treatments were repeated four times so that the total 24 pot experiment. The experiment results show that mycorrhizal treatment given on the corn crop has very significant (P <0.01) to the number of leaf age of 35, 49, 63 days after, leaf wide have age 49 days after plant, fresh weight, oven-dry weight, absorb P, number of spores, mycorrhizal infection and significant effect (P <0.05) to plant height age of 35, 49, 63 day after plant, 63 days after plant, leaf wide, and P-available. Based on the results of this study will be suggested, in order to enhance the growth of corn plants can be used locally mikroiza a dose of 10 g + 50 spores.
PENGARUH KONSENTRASI EKSTRAK BAWANG MERAH (Allium cepa) TERHADAP PERTUMBUHAN STEK LADA (Piper nigrum L.) Josina Irene Brigetha Hutubessy
AGRICA Vol. 5 No. 2 (2012): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v5i2.449

Abstract

This research aims to know the effect of the concentration of shallot extract as well as the optimum concentration of shallots extracts on the growth of pepper plant. The method used in this study was Randomized Block Design with the treatment used is Eo (without concentration), El (the concentration of 100 ppm), E2 (concentration of 200 ppm), E3 (concentration of 300 ppm), E4 (concentration of 400 ppm). Observationvariablesin this study is the height of plant (cm), length of root (cm), the total number of roots, number of shoots, the weight of fresh residues tan-1, dry oven weight of residues. The results showed that no interaction between shallots extracts (Allium cepa L.) and the growth of pepper plant (Piper nigrum L.) which effect on the optimal growth of pepper plant.
PENGARUH PEMBERIAN PUPUK CAIR BIO URINE SAPI TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KEDELAI (Glycine max L.) Murdaningsih Murdaningsih; Marsianus Nate Ugha
AGRICA Vol. 5 No. 2 (2012): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v5i2.450

Abstract

This research aims to know the effect as well as the optimum rates of manure of urine cow bio to the growth and yield of the soybean plant. The design used in this study was Randomized Block Design and the treatment used is U0 (without bio urine manure), U1 (1375 litres of bio urine manure ha-1 or 550 ml plots-1), U2 (bio urine manure of 2750 litre ha-1 or 1100ml plots -1), U3 (bio urine manure 4125 litre ha-1 or 1650 ml plot-1), and U4 (bio urine manure of 5500 litre ha-1 or 2200 ml plot-1). Variable observation in this study is the height of the plant 33.8 cm, leaf number 2.90 strands, leaf area 1.17cm2, the weight of fresh residues tan-114,74 gr, dry oven weight of residue tan-1 15.50 gr, dry oven weight of residue ha-1 15.50kg, the number of pods 9.44 soybean, weight of 100 grain of soybean 1 0.91 gr, the weight of the seed tan-110.30 gr, seed dry weight ha-110, 30 kg, harvest index of 4.88 and optimum dosage of the manure of urine cow bio is 5500 litres ha-1 can increase the growth and yield of soybeans.

Page 9 of 27 | Total Record : 267

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