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PERANAN MACAM BAHAN ORGANIK DAN JARAK TANAM PADA TANAMAN BAWANG MERAH (Allium cepa fa. ascalonicum, L.) DI LAHAN PASIR ERUPSI MERAPI Agus Suprapto; Historiawati Historiawati; Budi Aris Saputra
JURNAL VIGOR Vol 2, No 1 (2017): VIGOR: JURNAL ILMU PERTANIAN TROPIKA DAN SUBTROPIKA
Publisher : Universitas Tidar

This research studised the role of organic material and plant distance on onion (Allium cepa fa. ascalonicum, L.) in the land of sand Merapi eruption. Research has been conducted on August 2016 to November 2016 in the village Sawangan, District Sawangan, Magelang, Central Java Province. Altitude of 485 m above sea level, the soil type Regosol with a pH of 5.5. This study used factorial experiment (3 x 3) were arranged in a complete randomized block design (RCBD) with three block. The first factor was the organic material that was cocopeat, husk charcoal and peat. The second factor was a plant distance of 15 cm x 20 cm, 20 cm x 20 cm and 25 cm x 20 cm. The results of the studies organic material response on all parameters. Plant distance 25 cm x 20 high give the most result in the number of leaves, number of tubers per hill, tuber fresh weight per hill, tuber dry weight savings per clump and crop growth rate. The combination of organic material and plant distance of the same response on all parameters.

PENGARUH DOSIS DAN SAAT PEMBERIAN PUPUK P TERHADAP HASIL TANAMAN BUNCIS (Phaseolus vulgaris, L.) TIPE TEGAK Eka Nuryani; Gembong Haryono; Historiawati Historiawati
JURNAL VIGOR Vol 4, No 1 (2019): VIGOR: JURNAL ILMU PERTANIAN TROPIKA DAN SUBTROPIKA
Publisher : Universitas Tidar

This research is to study the result of dose and application time of P fertilizer on bean (Phaseolus vulgaris, L.) has been done in May to August 2018 in Ngleses village, Candimulyo district, Magelang regency. Altitude of 434 m above sea level, with latosol soil type and 6 of soil pH. The research was conducted as factorial experiment (4x2) arranged in a randomized complete block design, repeated three times. The 1st factor is Dose of P fertilizer : 58 kg/ha, 83kg/ha ,108kg/ha and 133kg/ha. The 2nd factor is application times of P fertilizer : 14 days and 21 days. Data should be analyzed with variance , orthogonal polynomial test for dose of P fertilizer and LSD test for application time of P fertilizer. Increasing of dose of P fertilizer will increased number of pods per plant (R2= 0.7193), weight of fresh pods per plant (R2= 0.702) and weight of fresh pods per m2 (R2= 0.8135).Application time of P fertilizer only gave highest yield on weight of fresh pods per m2. All parameters have the same respond for different dose of P fertilizer at different application tipe of P fertilizer.

HASIL TANAMAN KUBIS BUNGA (Brassica oleracea var. botrytis L.) PADA JARAK TANAM DAN MULSA ORGANIK Hafidha Ade Luthfiana; Gembong Haryono; Historiawati Historiawati
JURNAL VIGOR Vol 4, No 1 (2019): VIGOR: JURNAL ILMU PERTANIAN TROPIKA DAN SUBTROPIKA
Publisher : Universitas Tidar

The research about the yield of cauliflower (Brassica olerace var. botrytis, L.) on plant spacing and organic mulching. The research was conducted from April to July 2018 at Banyuwangi Village, Bandongan District, Magelang Regency with altitude 400 m asl, soil type regosol with a pH 5,8 – 6,0. The purpose of the research to determine the plant spacing and suitable organic mulching on yield of cauliflower. The research type (3 x2) factorial experiment arranged in randomized completed, block design repeated four times. The first factor was plant spacing: 50 cm x 40 cm (J1), 50 cm x 50 cm (J2) and 50 cm x 60 cm (J3). The second factor was organic mulching: straw mulch (M1) and bamboo leaf litter mulch (M2). The result of the research showed that increase in the population of cauliflower plants increase the height of plants and the fresh weight of flowers per square meter but decreases the number of leaves, diameter cauliflower and fresh weight of cauliflower per plant. Provision of bamboo leaf litter mulch increases plant height and fresh weight of cauliflower per plant while straw mulch increases the specific weight of cauliflower. Increased population of cauliflower plants with straw mulch decreasing the specific weight of cauliflower but an increasing in population of cauliflower plants with mulch leaves and bamboo leaves litter mulch increasing the specific weight of cauliflowers.

PENGARUH LAMA PENGOMPOSAN DAN KOMPOSISI MEDIA CAMPURAN AMPAS AREN DAN JERAMI PADI TERHADAP HASIL JAMUR MERANG (Volvariella volvaceae (Bulliard Ex Fries) Singer) Rian Widiyanto; Hadi Rianto; Historiawati Historiawati
JURNAL VIGOR Vol 3, No 2 (2018): VIGOR: JURNAL ILMU PERTANIAN TROPIKA DAN SUBTROPIKA Vol.03 No.02
Publisher : Universitas Tidar

This research is to study the effect of composting time and media composition of sugar palm solid waste and straw to an yield of straw mushroom (Volvariella volvaceae (Bulliard Ex Fries) Singer). The research held on May until June 2018. Location of this research is at Kedungsari village, Bandongan sub-district, Magelang regency. The altitude is 332 meters. Factorial experiments 4 x 3 in randomize complete block design that consist of 4 repetitions. First factor is composting time 3, 5, 7, and 9 days. Second factor is media compositions of mix sugar palm solid waste and rice straw (2% : 10%), (4% : 3%), (10% : 10%). The result of this research shows that lenght of composting declines total number of fruits bodies, total weight of fruits bodies, and biological efficiency. Biological efficiency of media composition about 10.22% - 19.16%. Media composition of sugar palm solid waste and rice straw do not effect all observe parameters. Top rack position gets higher yield on total number of fruit bodies per plot, total weight of fruit bodies per plot, and biological efficiency.Composting time is three days on the composition media (10% : 10%) is more effective to the first harvest with the high yield of paddy straw mushroom.

PENGARUH UMUR BIBIT PINDAH TANAM DAN MACAM PUPUK DAUN TERHADAP PERTUMBUHAN DAN HASIL TANAMAN TERONG (Solanum melongena, L.) VARITAS ANTABOGA 1 Oky Ervina; Anjarwani Anjarwani; Historiawati Historiawati
JURNAL VIGOR Vol 1, No 1 (2016): VIGOR: JURNAL ILMU PERTANIAN TROPIKA DAN SUBTROPIKA
Publisher : Universitas Tidar

The research about of the effect transplanting seedling and kinds of Foliar Fertilizer on the growth and yield of eggplant (Solanum melongena, L.) varitas antaboga 1 was conducted on 4 August to 11 December 2015 in Brengkel Village, Salaman District, Magelang. This research aim was to determine the age of seedling and leaf fertilizer which more right on the growth and yield of eggplant. The research method was used factorial experiment ( 4 X 3 ) by complete randomized block design. The first factor was the age of seedling transplating that consisted are 15, 20, 25 and 30 days. The second factor was foliar fertilizer Gandasil B, Topsil B and Neo Kristalon. The diversity test with the orthogonal polynomials for the first and LSD test for the second factor. The results shown that treatment of transplanting seedlings increase on height of plant, number of leaves, flowering age, fruit weight per plant, fresh weight of shoots, dry weight of shoots, fresh weight of roots, dry weight of roots but did not increase the number of fruits per plant. Foliar fertilizer increase height of plant, number of leaves, number of fruits per plant, fruit weight per plant, fresh weight of shoot, dry weight of shoot, fresh weight of roots, dry weight of roots and but did not increase flowering age.

PENGELOLAAN PERTUMBUHAN DAUN UBIKAYU (Manihot esculenta Cranzt) MELALUI MULSA JENIS KULTIVAR DAN INTEVAL PEMOTONGAN TUNAS Hadi Rianto; Historiawati Historiawati; Siti Nurul Iftitah
JURNAL VIGOR Vol 5, No 1 (2020): VIGOR : JURNAL ILMU PERTANIAN TROPIKA DAN SUBTROPIKA
Publisher : Universitas Tidar

This research entitled Maintaining Growth of Cassava Leaves (Manihot esculenta Cranzt) through Mulching, Types of Cultivars, and Buds Cutting Intervals. The experiment was carried out in Balesari Village, Windusari District, Magelang Regency within six months. The aim is to study the growth patterns of cassava leaf shoots and to collect factual practice about the cultivation of cassava leaf which was not yet widely available. A faktorial experiment (2x2x3) which was repeated three times in a completely randomized design. This experiment tested the use of black silver plastic mulch, two cassava Rengganis cultivars, and Indung, with three levels of bud cutting intervals 45, 50 and 55 days after planting. Each treatment was repplicated three times. The results of this experiment indicate that the growth of shoots, namely the weight and length of buds formed is strongly influenced by the type of mulch, cultivar and shoot cutting intervals. Shoot shoots that grow with plastic mulch are better and shoot cutting intervals can also improve shoot shoots. While shoot lengths that grow on Rengganis cultivars are longer than Indung cultivars, there are interactions betweenplastic mulch, cultivars and cutting intervals

PENGARUH MULSA PLASTIK HITAM PERAK DAN JARAK TANAM PADA HASIL BAWANG MERAH (Allium cepa fa. ascalonicum, L.) VARIETAS BIRU LANCOR Sukron Mahmudi; Hadi Rianto; Historiawati Historiawati
JURNAL VIGOR Vol 2, No 2 (2017): VIGOR: JURNAL ILMU PERTANIAN TROPIKA DAN SUBTROPIKA
Publisher : Universitas Tidar

The research is to study the effect of the use of black-silveric plastic mulch and planting distance on yield of onion (Alliumcepa fa. ascalonicum, L.) Lancor Blue variety. The research had been conducted in October 23 until December 12, 2014 in Digelan, Soropadan Village, District Pringsurat, Regency Temanggung. Altitude of 480 m, the type of soilis Alluvial and pH 6,5. Methods of research is a factorial experiment (2x3) arranged in a randomized complete block design, replicated three times. The first factor is mulching: without mulch and black-silveric plastic. The second factoris planting distace of 10 cm x 15 cm, 10 cm x 20 cm and 10 cm x 25 cm. The reult showed that the use of black-silveric plastic mulch enhances all observed parameters except relative water content. Planting distace of 10 cm x 25 cm resulted in the highest number of bulbs per hill and highest weight of dried bulbs. Mulching on different planting distance has regular respon on observed parameters.

GROWTH AND YIELD OF ONION (Allium Cepa fa.ascolanicum) PHILIPINES VARIETY ON APPLICATIONS MYCORRHIZAL AND ORGANIC FERTILIZER IN THE LAND POST MERAPI ERUPTION Suprapto Suprapto; Murti Astiningrum; Historiawati Historiawati
JURNAL VIGOR Vol 3, No 1 (2018): VIGOR: JURNAL ILMU PERTANIAN TROPIKA DAN SUBTROPIKA Vol.03 No.01
Publisher : Universitas Tidar

Research on agricultural land after the eruption of merapi aims to determine the impact of the effect of mycorrhizal and organic material to the growth and yield of onion. The experiment was conducted in greenhouse Department of Agriculture, Government of Municipality Magelang, with a factorial experiment arranged in a complete randomized block design, with two treatment factors and repeated three times. The first factor is the treatment of a mixture of organic material and mycorrhizal: cocopeat 20 t/ha+mycorrhizal (10 g/planting hole), husk charcoal 20 t/ha+mycorrhizal (10 g/planting hole) and peat 20 t/ha+mycorrhizal (10 g/planting hole). The second factor is the dose of silty soil consists of four levels: 0, 2.5, 5 and 7.5 t/ha (%). The results showed that the kind of organic material and mycorrhizal added on cocopeat, husk charcoal and peat has not been able to influence the number of leaves, number of tubers per hill, the dry weight of the top of the plant, the dry weight of the roots of plants, dried tubers per hill, and the crop growth rate, The addition of clay soil which increased 7.5% on a sand media merapi eruption is able to increase the dry weight of the top of the plant, and the crop growth rate.

PENGARUH MACAM MEDIA TERHADAP PERTUMBUHAN BIBIT MENTIMUN (Cucumis sativus, L.) HASIL PENYUSUAN DENGAN WALUH (Cucurbita moschata) Arfi Erwindi; Murti Astiningrum; Historiawati Historiawati
JURNAL VIGOR Vol 2, No 2 (2017): VIGOR: JURNAL ILMU PERTANIAN TROPIKA DAN SUBTROPIKA
Publisher : Universitas Tidar

A research to study the effect of the use of growing media on the growth a seedlings of cucumber (Cucumis sativus, L.) treated approach grafting with pumpkin (Cucurbita moschata).The research had been conducted on December 5, 2014 until January 17, 2015 in the village of Sangrahan, District Kranggan,Temanggung Regency. Altitude ± 600 m. This study used factorial experiment (2x3) arranged in completely randomized design (CRD) with three replications. The first factor: is day of grafting 10, 15, and 20 days aftersowing. The second factor is growing media cocopeat and husk. The analysis showed that grafting on 15 days led to higher seedling , highest number of successful approach grafting, fresh weight and dry weight of seedlings uper part, as well as the highest root fresh weight. Cocopeat cause the highest number of successful approach grafting, fresh weighting and dry weight of seedlings uper part and higher rooting fresh weight. Grafting on difrent days and grown on different media responded regularly on observed parameters.

PENINGKATAN KUANTITAS BAWANG MERAH (Allium cepa fa. ascalonicum, L. ) DENGAN BERBAGAI SUMBER KALIUM DAN BELERANG Fatmawati Fatmawati; Yulia Eko Susilowati; Historiawati Historiawati
JURNAL VIGOR Vol 3, No 2 (2018): VIGOR: JURNAL ILMU PERTANIAN TROPIKA DAN SUBTROPIKA Vol.03 No.02
Publisher : Universitas Tidar

The research on increasing the quantity of shallots (Allium cepa fa. ascalonicum L.) with various sources of kalium and sulfur, conducted in July until September 2017 in Sawangan, Magelang. The latitude is 400 m, with the soils regosol and pH 5,6. The research used factorial experiment (3x3) arranged in a randomized complete block design, with three blocks. The first factor is the source of kaliumwich consists of three levels, without kalium, KCl and KNO3. The second factor is the source of sulfur wich consists of three levels, without sulfur, ZA and Petro-Cas. The result of the research show that KCl fertilizer increased longest leaf length, fresh weight of bulb per plot and dry weight of bulb per plot. KNO3 fertilizer increased fresh weight of bulb per plot, dry weight of bulb per plot, fresh weight of stover and dry weight of stover. ZA fertilizer increased longest leaf length, fresh weight of bulb per hill, dry weight keep thr bulb per hill, fresh weight of bulb per plot, dry weight of bulb per plot, fresh weight of stover and dry weight of stover. Petro-cas fertilizer not increased in all observation parameter. The combination of treatments of kalium and sulfur sources give the same results on the fresh weight of bulb per plot and dry weight of bulb per plot.

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