Jurnal Agroekoteknologi
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RESPONS VIABILITAS DAN PERTUMBUHAN VEGETATIF TIGA VARIETAS TANAMAN BAWANG MERAH (Allium ascalonicum L.) ASAL BIJI TRUE SHALLOT SEED (TSS) PADA PERLAKUAN KOMBINASI MEDIA TANAM
Full text link The research was aimed to know the response of viability and vegetative growth of three shallots varieties (Allium ascalonicum L.) from seeds TSS (True Shallot Seed) on combination treatment of plant media. This research was conducted at the Screen House of Center for Protection of Food Crops, horticulture and plantations Serang Province of Banten from September until November 2020. The research used a Randomized Completely Design consisted of two factors. The first factor was the varieties, consisted of three levels were varieties Bima Brebes, Lokananta and Sanren. The second factor was the combination of plant media, consisted of three levels were (soil + compost cow manure), (soil + husk charcoal) and (soil + compost cow manure + husk charcoal). The result showed that varieties Lokananta affected the parameters day of germination (4.56 day), maximum growth potential (87.33%), power germination (87.78%), growth rate (5.78%/day) and percentage normal sprouts (80.89%), height of plant at 14, 21, 28, 35 and 42 DAP (Day After Planting) and number of leaves at 14, 21, 28, 35 and 42 DAP. Combination of plant media soil + husk charcoal gave the best effect on the parameters day of germination (4.67 day), maximum growth potential (88.00%), power germination (88.44%), growth rate (5.76%/day) and percentage normal sprouts (80.67%), height of plant at 14, 21, 28, 35 and 42 DAP and number of leaves at 14, 21, 28, 35 and 42 DAP. There was no interaction between varieties and combination of plant media except for the day of germination parameter.
Aplikasi Pupuk Bokashi Kotoran Ayam pada Tanaman Jagung Ketan (Zea mays ceratina)
Full text linkThis study aims to assess the response to growth and yield of glutinous corn (Zea mays ceratina) due to various doses of chicken manure bokashi fertilizer. The study used a randomized block design (RBD) with 6 treatments and 4 replications, the treatments given were various doses of chicken manure bokashi fertilizer as follows: P0 = 0 tonnes of bokashi per hectare, P1 = 5 tonnes of bokashi per hectare, P2 = 10 tonnes of bokashi per hectare. hectare hectare, P3 = 15 ton bokashi per hectare, P4 = 20 ton bokashi per hectare, and P5 = 25 ton bokashi per hectare. The variables observed were plant height, number of leaves, leaf area, ear length, ear diameter, ear weight per plant and plant fresh weight. Based on the results of the study, it can be rejected that the provision of chicken manure bokashi fertilizer has a good effect on the growth and yield of glutinous corn, give chicken manure bokashi fertilizer 20 tons per hectare or equivalent to P4 (24 kg per plot) resulting in plant height 269.95 cm, the number of leaves is 14.40, leaf area 26,753.20 cm2, ear length 19.95 cm, ear diameter 4.72 cm, ear weight per plant 271.30 g, and the weight of plant fresh stems is 1,212.05 g.
RESPONS KARAKTER FISIOLOGI TANAMAN KEDELAI (Glycine max L.) TERHADAP GENANGAN DAN PEMBERIAN PUPUK NITROGEN
Full text linkThis research was aimed to know effect of Physiological Character Response of Soybean Plants (Glycine max L.) on Waterlogging and Nitrogen Fertilizer. This research has been conducted from November 2019 until January 2020 at Green House Faculty of Agriculture, Sultan Ageng Tirtayasa University, Serang, Banten. This research used a Randomized Block Design with two factors, the first factor was waterlogging of four levels: 100% Soil Water Available (SWA), 125% SWA, 150% SWA, 175% SWA. The second factor was nitrogen fertilizer of three levels: 0 kg ha-1), 25 kg ha-1), 50 kg ha-1 with three replication. The results showed that treatment of waterlogging affects the number of soybean plant leaves at five Weeks After Planting (WAP). The number of leaves in the waterlogging treatment is 175% less compared to the waterlogging of 100% SWA, 125% SWA, and 150% SWA. Nitrogen treatment affects the stomata length of soybean crops. Nitrogen fertilizer doses of 50 kg ha-1 have a lower stomata length compared to doses of 0 kg ha-1 and 25 kg ha-1. There is interaction in the treatment of waterlogging and nitrogen fertilizers at a plant height of 2 WAP.
PEMANFAATAN ANTIOKSIDAN DARI EKSTRAK KULIT MANGGIS UNTUK MENGATASI DAMPAK CEKAMAN SALINITAS PADA KEDELAI YANG DIINOKULASI FUNGI MIKORIZA ARBUSKULA
Full text linkSoybean production can be increased through extensification and marginal land becomes inevitable to be used due to the decrease of productive land. Plants grown on marginal soil, especially saline soils, show abnormal growth due to oxidative damages causes yield decrease even death of the plants. The objectives was to study invigoration technique using natural antioxidant and mycorrhizal fungi to increase soybeans tolerance under salinity stress. The research used factorial randomized block design. The first factor was salinity stress (0 and 1 % (w/v) NaCl concentration), the second factor was natural antioxidant (0, 1, 1.5, and 2% mangosteen peel extracts), and the third factor was arbuscular mycorrhizal fungi, 0 and 1g/polybag. The research was replicated three times. The variables were plant height, number of leaves, leave area, chlorophyl content, yield components and yield of soybean. The data was analyzed with Anova and Duncan’s multiple range test at 5% significant level. The conclusion was that salinity stress inhibited plant growth, yield components and yield of soybean. The application of arbuscular mycorrhizal fungi decreased the negative impact of salinity on vegetative growth, yield components and yield of soybean. The application of 2% mangosteen peel extract gave good effect on vegetative growth, yield components and yield of soybean under salinity stress
APLIKASI PUPUK HAYATI DAN AZOLLA UNTUK MENGURANGI DOSIS PUPUK ANORGANIK DAN MENINGKATKAN N, P, C ORGANIK TANAH, DAN N, P TANAMAN, SERTA HASIL PADI SAWAH
Full text linkBiofertilizers and Azolla are local potentials sources that can be used for inorganic fertilizers efficiency in increasing crop yields. The purpose of this study was to determine the dose of inorganic fertilizers that can be reduced by the application of biofertilizers and Azolla in lowland rice plants. The aims of study was to determine the increase in N plants, N soil, available P, P uptake, C organic, and the yield of lowland rice. The experiment was carried out at the Experimental Field, Ciparanje, Faculty of Agriculture, Padjadjaran University, in Jatinangor. The treatment in this experiment were A = without the use of fertilizer, B = NPK 100% Fertilizer of recommended dosage, C = 0% NPK + Biofertilizer + Azolla, D = 25% NPK + Biofertilizer + Azolla, E = 50% NPK + Biofertilizer + Azolla, and F = 75% NPK + Biofertilizer + Azolla. The study design used was a Randomized Block Design with four replications. The results showed that biofertilizer and Azolla combined with inorganic fertilizers can enhance total N soil, N plants, P available soil, P uptake of plants, and C organic soil. Application 50% NPK + Azolla + biofertilizer could increased Milled Dry Grain by 10.82% compared to the recommended dosage of inorganic fertilizer (100% NPK) and caould decrease the use of inorganic fertilizer by 50%
EFEKTIFITAS BERBAGAI JENIS PERANGKAP HYMENOPTERA PADA PERTANAMAN PADI DI LAHAN PASANG SURUT
Full text linkHymenoptera is one of the most significant insect orders. Hymenoptera has many vital roles in the ecosystem, namely as parasitoids, pollinators, and predators. This study aims to determine the effectiveness of four types of trap equipment commonly used for Hymenoptera collections consisting of sweep nets, yellow pan traps, malaise traps, and pitfall traps. The study was conducted in tidal swamp rice in Indragiri Hilir Regency, Riau Province. The study was carried out at four sub-district, namely are Batang tuaka, Keritang, Reteh, and Tembilahan Hulu sub-district. The research was carried out by sampling with the transect line method. Hymenoptera collected from tidal swamp rice in Indragiri Hilir District consists of 40 families, 450 morphospecies, and 12,456 individuals. Malaise traps and yellow pan traps are the two best in Hymenoptera trapping. Malaise traps can catch 56% of morphospecies and 56% of individual abundances. Yellow pan traps can catch 27% of morphospecies and 20% of the abundance of Hymenoptera individuals. Furthermore, pitfall traps can catch 5% of morphospecies and 19% of individual abundance, and the sweep nets can catch 12% of morphospecies and 5% of individual abundance
PENGARUH PEMBERIAN BEBERAPA KONSENTRASI PUPUK MAJEMUK BERTEKNOLOGI NANO TERHADAP PERTUMBUHAN DAN HASIL TIGA VARIETAS TANAMAN BAWANG MERAH (Allium ascalonicum L.)
Full text linkThis research was conducted in Cikayas Village, Angsana Sub district, Pandeglang Banten Regency from December 2019 until February 2020. The first research was using randomized completely block design with factorial design group, consisting two factors, the first factor was concentration of nano-based compound fertilizer consisting of four levels: without nano-tech fertilizers, 2.5 ml/L, 5 ml/L, 7.5 ml/L. The second factor was:variety consisting of three levels: Bima Brebes, Maja Cipanas, Trisula. The experiment was repeated three times, the whole experimental unit was 36. The results showed that the application of nano-tech compound fertilizer with 5 ml/L gave the best growth and yield to the height parameters of four WAP (42.33 cm), number of leaves four WAP (39.33 cm) and five WAP (42.67 strands), and tuber weights without roots and leaves per clump (37.19 g). Bima Brebes variety gave the best growth and yield to the height parameters one WAP (10.74 cm), two WAP (25.55 cm), 3 WAP (35.27 cm), 4 WAP (42.63 cm) and 5 WAP (47.33 cm), and tuber weights without roots and leaves per clump (36.29 g). There was no interaction between several Concentrations of Nano-tech Compound Fertilizer and varieties to all parameters observed
RESPON PERTUMBUHAN TANAMAN KOMBINASI KULTIVAR JARAK PAGAR DENGAN DOSIS MIKORIZA TERBAIK DAN KONSENTRASI SITOKININ DI DATARAN MEDIUM
Full text linkThe current condition is a lot of the transfer of agricultural land functions into housing and industry. Utilization of marginal land is one of the important solutions to be done. One type of marginal soil is inceptisol, with limiting factors for low soil chemical fertility, especially the element P. The element P can become available for plants with the help of AMF. To reveal the performance of plant growth through the combination of three Jatropha cultivars with the best dose of arbuscular mycorrhizal fungi and cytokinin concentrations on plant photosynthesis results in two different locations. The experiment starts from January 2019 until June 2019 at an altitude of 0-50 meters above sea level (lowlands) and altitudes from 750 to 850 meters above sea level. The combined trial evaluated jatropha cultivar and the best arbuscular mycorrhizal fungi dose and repeated cytokinin concentrations three times. The results of the experimentshowed that there was a significant effect on each treatment and the interaction between the treatments with the best results was the concentration of cytokinin 400 mg L-1 for plant height growth variables, and the concentration of cytokinin 300 mg L-1 for the variable chlorophyll content of leaves, number of leaves, whereas cytokinin concentration 100 mg L-1 for stomatal conduction activity
APPLICATION OF POTASSIUM NUTRITION SUPPLY TO SHALLOT PLANTS UNDER SMART K – SPRINKLE FERTIGATION IN DRY LAND
Full text linkThe purpose of this study was to investigate smart k – sprinkle fertigation in dry land with potassium nutrition supply on growth and yield of shallot plants. The study was conducted in the Research Field Department of Agroecotechnology, Faculty of Agriculture, University of Sultan Ageng Tirtayasa, Indonesia from August to November 2020. The experiment was designed in a Randomized Complete Block Design (RCBD) with four replications. Experiment was conductedin six different treatments as K50: Potassium nutrition of 50 kg.ha-1 under smart K – sprinkle fertigation system; K75: Potassium nutrition of 50 kg.ha-1 under smart K – sprinkle fertigation system; K100: Potassium nutrition of 50 kg.ha-1 under smart K – sprinkle fertigation system; K125: Potassium nutrition of 50 kg.ha-1 under smart K – sprinkle fertigation system; K150: Potassium nutrition of 50 kg.ha-1 under smart K – sprinkle fertigation system; Control: conventional fertilizer of 100 kg.ha-1 as basal dose recommendation. The results showed thatsmart K – sprinkle fertigation system revealed to increase shallot plant on growth and yield. Besides, the use of Potassium nutrition of 50 kg.ha-1 (K50 treatment) showed the highest value on number of leaves plant weight, and bulbs weight per plant, as well as on the potential yields. So that, further study is recommend to observe the application of smart K – sprinkle fertigationsystem in combination with other nutrition.Keywords: potassium, fertilizer, micro sprinkle, onio
POTENSI DAN PELUANG PENGELOLA BENIH SUMBER KEDELAI DI PROVINSI JAMBI
Full text linkThe activity aimed to produce and disseminate Anjasmoro variety soybean seed sources, increase the ability and capacity of breeder farmers in producing soybean source seeds and disseminate the New Superior Varieties (VUB) of soybean Agricultural Research and Development Agency. The activity was carried out at the Harapan Mulya farmer group, Dusun Baru Village, VII Koto District, Tebo Regency, Keltan Suka Jaya, Village Suo-suo Kec. Sumay, Tebo Regency and Sido Makmur Keltan, Simpang Village, Kacamatan Berbak, Tanjung Jabung Timur Regency from January to December 2019. The soybean seed multiplication activities are carried out in a participatory manner in collaboration with farmers from planning, implementation to initial evaluation and processing so farmers understand each stage of captivity activities. The data collected consists of secondary and primary data. Qualitative data were analyzed descriptively, while quantitative data were analyzed with variance. Financial feasibility analysis of seed production is carried out through Revenue per Cost (R / C.) The results of the study found that: SS class soybean seed production carried out in Tebo District with an area of 41 hectares obtained seed production of 43.5 tons, and in Tanjung Jabung Timur District with an area of 10 hectares obtained seed production of 7.5 tons, improved farmers' knowledge and skills in seed propagation technology, and improved institutional soybean seed breeding