bluuebunny/crossref_metadata_2025_split huggingface dataset:
Screening for disease resistance in rice varieties against bacterial panicle blight disease (Burkholderia glumae) in Northern Sumatra of Indonesia
Authors: Weny  , Safni I , Lisnawita  , Lubis K 
Published: June 2019

Abstract
In Indonesia, bacterial panicle blight (BPB) disease affecting rice caused by seed-borne pathogen, Burkholderia glumae has emerged as a serious problem in rice growing areas in several provinces in Java and Sulawesi since 2014, but not yet in Northern Sumatra. This pathogen is listed as a quarantine pathogen which has to limit the spread. Rice import from China, India and Philippines, where are the disease outbreak locations, is the main cause of the dissemination of BPB disease in Indonesia. As rice is the main staple food in Indonesia, significant crop losses have had huge impact to food security. Four of twenty-three bacterial strains isolated from infected rice fields of six districts in Northern Sumatra were identified as B. glumae on the basis of morphological, biochemical and molecular characterizations as well as pathogenicity assay. These four bacterial strains were tested on five rice cultivars in the green house.
Growth response and N uptake of two soybean varieties on inoculation of Bradyrhizobium sp. in Ultisol Binjai, Sumatera Utara
Authors: Selvia I N , Sahar A , Hasanah Y 
Published: June 2019

Abstract
Ultisol problem is having acidic pH which makes soybean difficult to grow and symbiotic with Brady rhizobium sp. To fixate N. The aim of this research was studied the growth response and N uptake of two soybean varieties on inoculation Brady rhizobium sp. in Ultisol Binjai, Sumatera Utara. This research used Ultisol Binjai with pH 4.5 which was carried out with a pot experiment in the research field of Faculty of Agriculture, Universitas Sumatera Utara, using a Factorial Randomized Block Design with 3 factors. The first factor is Brady rhizobium sp inoculants consisting of without inoculant; BGR3 inoculant; and LP3 inoculant, the second factor is varieties consisting of Anjasmoro and Demas-1. The third factor is liming consisting of without liming and liming with a dose of 7.76 g/10 kg of soil (until pH 5.5). The results of the research showed that application of Brady rhizobium sp inoculant BGR3 was able to increase the N uptake of soybean in Ultisol with an acidic pH which was better than other inoculant. Shoot root ratio tended to increase in Anjasmoro without liming which were application of BGR3 inoculant about 14.15%.
Rice husk biochar application and the planting times effects on dry weight and water use efficiency of upland rice varieties
Authors: Mayly S , Rauf A , Hanum C , Hanum H 
Published: June 2019

Abstract
The objective of this study was to measure the effect of rice husk biochar application and the planting times on dry weight and water use efficiency of upland rice varieties at Zone D Oldeman Agroclimate in North Sumatra Indonesia. First factor as main plot was the planting times such as planting. Second factor as sub plot was upland rice varieties such as Batutegi, Inpago 4, Limboto, Situbagendit and Situpatenggang. Third factor as sub sub plot was type of rice husk biochar application such as no rice husk biochar (RHB), RHB, RHB + Chicken manure, RHB + EM4. Result showed that rice husk biochar (with chicken manure or EM4) increased upland rice dry weight (1-17%) and water use efficiency (17-25 %) in planting times of August and September and increased more higher in planting time of June and July about 17-25 %, 61-80 % respectively and rice husk biochar application decreased water use efficiency only in planting time of August. Batutegi and Inpago 4 varieties showed the highest dry weight and the highest value of water use efficiency were Inpago 4 and Limboto. Planting time of August or September showed the highest upland dry weight and water use efficiency.
Bacillus stratosphericus from Oryctes rhinoceros larvae as decomposer of oil palm empty fruit bunches
Authors: Marheni  
Published: June 2019

Abstract
The use of oil palm empty fruit bunches (OPEFB) as a source of organic fertilizer in oil palm plantations copes with obstacles. The application of the OPEFB for breeding medium of Oryctes rhinoceros pests from egg stage to pupa and the composting period of organic material reach 12-16 months. In this study, it was found that the utilization of bacterial symbionts of O. rhinoceros larvae namely Bacillus stratosphericus, mixed with Trichoderma sp. And yiest was able to decompose OPEFB for 10 weeks. The resulting compost indicated a pH of 8.46 - 8.76 and a moisture content of 79.39 - 81.74%. The C / N ratio for the treatment of B. stratosphericus + Yeast, the treatment of B. stratosphericus + Trichoderma sp. And the treatment of B. stratosphericus + Yeast + Trichoderma sp. is 17.5, 13.3 and 14.7, respectively.The chemical compounds composition of OPEFB decomposed for 10 weeks with the addition of B. stratosphericus and Trichoderma sp as well as yeast ranged from 25.6 to 30.46% C-org, 1.81-2.07% N, 0.1-0.22% P, 2.54 - 3.68% K and 0.43 - 0.50% Mg.
Seed biopriming with indigenous endophytic bacteria isolated from Wakatobi rocky soil to promote the growth of onion (Allium ascalonicum L.)
Authors: Sutariati G A K , Khaeruni A , Muhidin  , Madiki A , Rakian TC , Mudi L , Fadillah N 
Published: June 2019

Abstract
The realization of sustainable agriculture requires continuous research which can reduce the use of chemical fertilizers. This research was carry out to obtain the potential indigenous endophytic bacteria isolated from onion planted on rock soil of Wakatobi district in Southeast Sulawesi. The study conducted using a completely randomized design (CRD) consisting of 9 isolates. Germination was recorded daily until 14 days. At the same time, isolates evaluated for their ability to solubilize phosphate, fix N and synthesize IAA. Results showed that the seed treatments using endophytic bacteria significantly increased viability onion seeds, in term of germination increases in germination percentage. Almost all endophytic bacteria isolate tested were able to solubilize phosphate, fix N and synthesize IAA. From this study, Ke03 isolates showed the best performance and were able to increase germination percentage, root length and number of onion roots reaching 145%, 46% and 78% respectively, as compared to controls. The ability of Ke03 isolates to increase onion germination correlated with the ability of this isolate to synthesize IAA (80.33 ppm). Further research is needed to evaluate whether this isolate is effective in increasing the growth and yield of onions in the field.
The effectiveness of cover crop and rhizobacteria as amelioration on ex-nickel mine soil southeast Sulawesi
Authors: Leomo S , Tufaila M , Adawiyah R , Rakian T C , Muhidin  , Alam S , Mudi L , Sutariati G A K 
Published: June 2019

Abstract
The ex-nickel mining area in Southeast Sulawesi is planned to be developed as the center of the economic activities. Concerns regarding the negative effect of the past nickel mining activities must be considered. This study aimed to develop technical improvements and recovery of soil fertility mining through phytoremediation. The study used a randomized block design (RBD) consisted of two factors. The first factor was application of rhizobacteria, consisting of two levels, i.e., without rhizobacteria (R0) and with rhizobacteria (R1). The second factor was cover crop types, consisting of four types viz; Centrosema pusbences Benth. (C1), Calopogonium mucunoides (C2), Crotalaria sp. (C3) and Amaranthus spinosus (C4), with three replications. The results show that the cover crop of Centrosema pubescens Benth, Calopogonium mucunoides and Crotalaria sp were able to improve the soil fertility.
Morphological characters and N uptake of Mint (Mentha piperita) with the growing media composition treatment
Authors: Hasanah Y , Sitepu F E , Butar Butar R R 
Published: June 2019

Abstract
Growing media plays an important role as a source of nutrition for plant growth so that the growing media can affect the quality of plant growth. This research aimed to identify the morphological characters and N uptake of mint plants treated with a different composition of growing media. The research was conducted using a Non-Factorial Randomized Block Design with seven treatments of growing media composition and four replications. The treatment is top soil; top soil + biochar (3: 1, v/v), top soil + chicken manure (3: 1, v/v), top soil+oil palm empty fruit bunch (OPEFB) compost (3: 1, v/v), top soil + OPEFB compost+chicken manure (2: 1: 1, v/v/v), top soil+biochar+chicken manure (2: 1: 1, v/v/v) and top soil+biochar+compost (2: 1 : 1, v/v/v). The results showed that the composition of the top soil+OPEFB compost (3: 1, v/v) media was the best composition of growing media because it produced the sprouting age, number of shoots, length of shoots and N nutrient uptake of mint plants were higher than the composition of other growing media.
Normal distribution of agronomic characters and plant heritability of soybean F2 population hybridization between salt resistance genotype and Anjasmoro variety
Authors: Rahmawati N , Rosmayati  , Astari R P 
Published: June 2019

Abstract
The increase of soybean production should be pursued continuously, including the utilization of marginal land such as saline soils. This study aimed to estimate the frequency of normal distribution and heritability of agronomic characters of soybean F2 population hybridization salt resistance genotype and Anjasmoro variety to support the expansion of planting area in the saline land. The research was conducted at the Faculty of Agricultural land experiments using saline soil as planting media with salinity levels 5-6 dS/m was conducted in March to May 2015. The data were analysed using chi-square test for suitability distribution normal. The results showed the frequency of character plants height, the number of productive branches, flowering dates follow a normal distribution, while the frequency distribution of harvesting, number of seeds/plant and seed weight/plant does not follow a normal distribution. Heritability belonging to the high criteria on plant height, number of productive branches, harvesting, the flowering dates, number of seeds/plant and seed weight / plant belonging to the moderate criteria. The results showed the genetic potential of plants to be developed in saline land in support of the expansion of soybean planting in saline soil.
Changes in biochemical characteristics in shade soybean plants
Authors: Mawarni L , Nisa T , Karyudi  
Published: June 2019

Abstract
Shade conditions will change the morpho-physiological and biochemical of plants. This study examined the biochemical characteristic changes including four shade soybeans varieties, total leaf sugar, seed protein, and seed fat content. A split-plot factorial design was used in this study with three replications. The treatments consisted of shading level as the main plot with 4 treatment levels, i.e. no shade, 30%, 50%, and 70% shade; soybean varieties as the subplot consisted of four varieties, i.e. Anjasmoro, Pangrango, Tanggamus, and Nanti. Analysis of total leaf sugar was using the total sugar measurement by seed protein and seed fat content measurement was conducted using Proximate Composition Analysis. The results showed an increasement on total leaf sugar in shade condition. The Anjasmoro and Tanggamus varieties produced a lower seed protein and seed fat content compared to the other varieties at all shade levels. In contrast, the Nanti variety showed a high seed protein and seed fat content at all shade level conditions.
Relationship pattern and morphological characterization of brown rice in Munte and Payung Subdistrict, Karo
Authors: Bayu E S , Winarti W , Damanik R I M 
Published: June 2019

Abstract
Brown rice is known to be a good source of antioxidants, due to the presence of anthocyanin pigments that produce antioxidants, which makes it very well consumed because it can brownuce the risk of diabetes and other degenerative diseases. The aims of this research are to characterize morphology, determine kinship patterns, and anthocyanin content from brown rice (Oryza nivara L.). The study was carried out in Munte and Payung Subdistricts, Karo District. Descriptive survey method uses the International Rice Research Institute (IRRI) guide. The technique of determining the location intentionally and sampling by chance. The most dominant differences in morphological characters in brown rice in the three land locations in two sub-districts are the flag leaf shape, panicle appearance, age of flowering, grain length, rice shape and colour of the rice. The anthocyanin content test used analytical methods by homogenizing the sample. Exploration results obtained 72 accessions divided into three land locations. Based on the test of anthocyanin content obtained land A has the highest content of 0.5 mg/100 g and the lowest is B area of 0.08 mg/100 g.
Growth and yield of Tomato (Lycopersicum esculantum Mill.) as influenced by the combination of liquid organic fertilizer concentration and branch pruning
Authors: Mooy L M , Hasan A , Onsili R 
Published: June 2019

Abstract
This study aims to determine the effect of the concentration of liquid organic fertilizer combination and branch pruning toward the growth and yield of tomatoes. The design was Random Design Single factor group with 3 replications. Those were K0 (without LOF and without pruning); K1 (without LOF by pruning 1 branch); K2 (without LOF by pruning 2 branches); K3 (LOF 50 mL/L of water without pruning); K4 (LOF 50 mL/L of water by pruning 1 branch); K5 (LOF 50 mL/L of water by pruning 2 branches); K6 (LOF 100 mL/L of water without pruning); K7 (LOF 100 mL/L of water by pruning 1 branch); K8 (LOF 100 mL/L of water by pruning 2 branches); K9 (LOF 150 mL/L of water without pruning); K10 (LOF 150 mL/L of water by pruning 1 branch); K11 (LOF 150 mL/L of water by pruning 2 branches). The study showed that the treatment of LOF concentration 100 mL/L of water and pruning 1 branch (K7) affected the plants height of 21 DAP (45.25 cm), 28 DAP (68.83 cm), and 35 DAP (88.00 cm); number of leaves (31.00); number (37.50); weight (393.22 g); and diameter (5.11 cm) which significantly different from others.
Sequence analysis of Ganoderma boninense isolates from oil palm
Authors: Purba A , Basyuni M , Putri L A P , Chalil D , Hayati R , Arifiyanto D , Syahputra I 
Published: June 2019

Abstract
Basal Stem Rot (BSR) is a prevalent oil palm disease caused by Ganoderma fungus. Many oil palm plantations suffered losses due to BSR disease, which caused deaths of oil palm crops. Ganoderma has host plants from the Palmae family such as oil palm, coconut, Nipah, aren, areca nut, papyrus, and also can be found in Industrial Plantation Forest (HTI) like Acacia, even in the forest wood can also be encountered Ganoderma. Ganoderma has high genetic diversity. Fruiting bodies which isolated from oil palm tree located in different locations is one of the factors causing genetic diversity. The Ganoderma isolates analysed in this study were isolates derived from different oil palm plantation. Ganoderma isolates collection of PT Socfindo is used in a screening test to obtain oil palm material which has resistance to Ganoderma attack. The present study confirmed through DNA sequences that Ganoderma derived from oil palm has been defined as a Ganoderma boninense, that is very virulent for the appearance of BSR disease.
Effect of tricoderma and organic fertilizers on vegetatif growth of black Pepper (Piper nigrum L.) under field condition
Authors: Syam N , Boceng A , Jufri N , Suharman  
Published: June 2019

Abstract
Black pepper is a high nutrient demanding crop. However, over utilize of chemist fertilizer may give a negative impact to the environment and human health. Therefore, fertilizer use and management is crucial infortance to sustain growth and high yield. This Field experiment is carried out to study the effect of Tricoderma harzianum and liquid organic fertilizers on vegetatif growth of Black Pepper. The research method is design by Randomized Block Design (RBD) Factorial two factors. Parameters observed are the time of emergence of tendrils, spiraling length, number of tendrils, number of leaves and number of productive branches. The observed data obtained were statistically analyzed using analysis of variance and further tested by Tukey’s HSD Test at 5%. The result of this research is expected to have a better effect of Tricoderma and one of the liquid organic fertilizers on vegetatif growth of black pepper in the field. Therefore, Biological Agent and organic fertilizer can be an alternative way to substitute NPK fertilizer that can reduce the chemist fertilizer utilization. In conclusion, to achieve high growth performance, organic fertilizer alone is insuffcient whilst integrated fertilization gave a signifcant increase in yield and growth of black pepper.
Developing the specialized potato growing in the region
Authors: Silaeva L , Kislova I 
Published: June 2019

Abstract
With the development of the market in the agro-industrial production, the growth of the effective functioning of the food market and the development of a more developed potato market, its supply through the inter-regional exchange will increase due to the further deepening of the specialization of regions in which there are more favorable both natural and economic conditions for growing potatoes intended for consumption in fresh and processed form. The main direction of deepening specialization and increasing the concentration of the production of marketable potatoes should be a focus on those regions in which economic and natural factors contribute to the more efficient development of interregional relations. It will also have a beneficial effect on the process of formation of the all-Russian potato market, an increase in the import of potatoes to regions where its production does not provide rational consumption rates, and export from regions with a high level of per capita production.
Innovations in the open-field vegetable growing
Authors: Zaltan E , Ashmarina T 
Published: June 2019

Abstract
The development of vegetable production has good prospects in the future, which will certainly contribute to the introduction of innovative technologies. The introduction of the food embargo has stimulated an increase in the production of vegetables. Using theoretical and empirical research methods, the authors identified a positive trend in the development of the industry as a whole in the Russian Federation and agricultural producers in the Moscow region in particular. The research clearly shows that the level of investments in the industry is insufficient, despite the strengthening of state support. Expanding the business of existing agricultural producers and launching new projects do not yet allow to fully solve the issue of self-sufficiency. The level of profitability of the production of vegetables of large and small producers in the range of 20-30%. The main factors of the effectiveness of the cultivation of vegetables (yield, product quality, production costs) are considered. The evolutionary characteristics of intensive technology of growing vegetables are also reviewed in the paper. Transitioning to an adapted biologized model of growing vegetables is proposed, which is based on environmental and economic aspects. Directions of this model: constructing a competent plant protection, restoring soil fertility through working with crop residues, ensuring an effective use of mineral fertilizers. This innovative technology makes it possible, in the conditions of under-financing of the industry, to raise profitability in the vegetable farms to a level above 50% in a very short term.
On creating digital land management in the framework of the program on digital economy of the Russian Federation
Authors: Papaskiri T , Kasyanov A , Ananicheva E 
Published: June 2019

Abstract
The article deals with the problems of modern land management and land use planning in the context of the new program of development of the country on the basis of the digital economy. Informatization of all branches of knowledge, caused by scientific and technological progress, determines the level of development of economic sectors, including land management. These and other reasons suggest the need to create a new concept of modern land management on the basis of its full digitalization.
Methodology for assessing the development of rural territories of the constituent entities of the Russian Federation as the basis for their differentiation and typology
Authors: Kozlov A , Yakovleva O , Novikov V 
Published: June 2019

Abstract
The article presents a methodology for comparative assessment of the state and regulation of rural territories of the constituent entities of the Russian Federation in terms of socio-economic development. Within the scope of the research, the paper developes evaluation criteria and indicators for analyzing the level and dynamics of rural development, on the basis of which the authors propose the differentiation and typology of rural territories.
Strategic directions of export-import agrarian policy in the context of global challenges
Authors: Chekalin V , Serkov A , Kharina M 
Published: June 2019

Abstract
Agriculture is one of the priority sectors of the Russian economy. Along with the important social significance of the agricultural sector, its role in ensuring the growth rate of the economy as a whole and the foreign economic activity of the country is increasing. At the same time, the development of the agricultural sector is under the influence of both global and internal challenges. As a result of the study, it was found that the current level of differentiation of the population in terms of income and, accordingly, the level of food consumption retain the potential for the development of domestic agriculture due to domestic demand. More than that, they are subject to the growth of household income and the reduction of inequality. As this task is accomplished, the possibility of supplying food for export will become increasingly important for the development of the industry. At the same time, measures will be required to regulate agriculture as part of the industry development programs developed for the upcoming period, which would reduce the risks associated with climate change and adverse weather conditions, technological threats, and a number of others.