Revista Brasileira de Engenharia Agricola e Ambiental最新文献

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Tolerance of precocious dwarf cashew clones to salt stress during rootstock formation stage 早熟矮腰果无性系砧木形成阶段对盐胁迫的耐受性
IF 1.2 4区 农林科学
Revista Brasileira de Engenharia Agricola e Ambiental Pub Date : 2020-07-01 DOI: 10.1590/1807-1929/agriambi.v24n7p474-481
G. S. Lima, Jailson Batista da Silva, L. D. P. Souza, R. G. Nobre, L. A. A. Soares, H. Gheyi
{"title":"Tolerance of precocious dwarf cashew clones to salt stress during rootstock formation stage","authors":"G. S. Lima, Jailson Batista da Silva, L. D. P. Souza, R. G. Nobre, L. A. A. Soares, H. Gheyi","doi":"10.1590/1807-1929/agriambi.v24n7p474-481","DOIUrl":"https://doi.org/10.1590/1807-1929/agriambi.v24n7p474-481","url":null,"abstract":"ABSTRACT This study was conducted to evaluate the tolerance of precocious dwarf cashew clones to irrigation with waters of different salinity levels during rootstock formation. The experimental design consisted of randomized blocks, arranged in a 5 x 3 factorial scheme, corresponding to five levels of electrical conductivity of irrigation water (0.4; 1.2; 2.0; 2.8 and 3.6 dS m-1) and three clones of precocious dwarf cashew (Faga 11, Embrapa 51, CCP 76), with three replicates. Water salinity above 0.4 dS m-1 inhibited chlorophyll synthesis and growth, but led to cashew seedlings with the Dickson Quality Index (DQI) higher than the acceptable limit. Based on the relative yield of the total dry mass, the clones Faga 11, Embrapa 51 and CCP 76, at the highest salinity level studied, were classified as moderately sensitive, sensitive and moderately tolerant, respectively. There was interaction between water salinity and precocious dwarf cashew clones for chlorophyll a content, chlorophyll b content and DQI at 75 days after sowing.","PeriodicalId":51288,"journal":{"name":"Revista Brasileira de Engenharia Agricola e Ambiental","volume":"18 1","pages":"474-481"},"PeriodicalIF":1.2,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86122501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Enthalpy thematic map interpolated with spline method for management of broiler chicken production 样条法插值的焓专题图在肉鸡生产管理中的应用
IF 1.2 4区 农林科学
Revista Brasileira de Engenharia Agricola e Ambiental Pub Date : 2020-07-01 DOI: 10.1590/1807-1929/agriambi.v24n7p431-436
N. Silva, R. Santos, R. Zucca, L. O. Geisenhoff, R. Cesca, Juliano Lovatto
{"title":"Enthalpy thematic map interpolated with spline method for management of broiler chicken production","authors":"N. Silva, R. Santos, R. Zucca, L. O. Geisenhoff, R. Cesca, Juliano Lovatto","doi":"10.1590/1807-1929/agriambi.v24n7p431-436","DOIUrl":"https://doi.org/10.1590/1807-1929/agriambi.v24n7p431-436","url":null,"abstract":"ABSTRACT Owing to the exponential growth of the human population and problems related to food supply, research focused on finding the most suitable approach to manage and geographically explore the environment using sustainable technologies stand out. The present study aims to produce a consistent interpolation of historical series of enthalpy (H) resulting in a thematic map of enthalpy, using the spline method as a kriging option in areas with few sampling points. The thematic map considers thermal comfort conditions to produce broiler chickens, that could be used as a management tool to reduce power consumption due to the cooling process of the facilities. It was verified that spline is an efficient method to create a suitable thematic maps representations of areas presenting a few sampled units. The geographical representation of enthalpy allowed the evaluation of the environments, concluding that the state of Mato Grosso do Sul, Brazil is inadequate for broiler chickens production without suitable thermal cooling systems. Evidence suggests introduction of aviculture in areas still unexplored, e.g., Chapadão do Sul and Sete Quedas.","PeriodicalId":51288,"journal":{"name":"Revista Brasileira de Engenharia Agricola e Ambiental","volume":"236 1","pages":"431-436"},"PeriodicalIF":1.2,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75748598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Yield and technological quality of sugarcane under irrigation depths and nitrogen fertilization 灌溉深度和施氮量对甘蔗产量和工艺品质的影响
IF 1.2 4区 农林科学
Revista Brasileira de Engenharia Agricola e Ambiental Pub Date : 2020-07-01 DOI: 10.1590/1807-1929/agriambi.v24n7p482-489
Marcos F. de Mendoça, José Dantas Neto, P. F. D. Silva, E. C. A. Oliveira
{"title":"Yield and technological quality of sugarcane under irrigation depths and nitrogen fertilization","authors":"Marcos F. de Mendoça, José Dantas Neto, P. F. D. Silva, E. C. A. Oliveira","doi":"10.1590/1807-1929/agriambi.v24n7p482-489","DOIUrl":"https://doi.org/10.1590/1807-1929/agriambi.v24n7p482-489","url":null,"abstract":"ABSTRACT The objective of this study was to evaluate the stalk yield, sugar yield and technological quality of two varieties of sugarcane under different irrigation depths and nitrogen doses. The experiment was conducted in two consecutive years (2015 and 2016) at Olho D’Água Farm, in Itambé, Pernambuco, Brazil. The experimental design was randomized blocks in the split-split-strip-plot scheme, with four replicates. Treatments consisted of four irrigation depths (L1 = 12, L2 = 45, L3 = 100 and L4 = 125% of the crop evapotranspiration - ETc, plant cane) and (L1 = 10, L2 = 40, L3 = 100 and L4 = 125% ETc, ratoon cane), four doses of nitrogen (N1 = 0, N2 = 50, N3 = 100 and N4 = 200 kg ha-1 of N) and two varieties of sugarcane (RB92579 and RB002754). Sugarcane plants irrigated with the highest depths of 1,324.06 and 1,242.3 mm in the plant cane and ratoon cane cycles respectively produced 38.40 and 49.14 t of stalks ha-1 and 0.48 and 1.82 t of sugar ha-1 more, compared to those irrigated with the lowest depths of 124.06 and 99.4 mm. The highest stalk yield was obtained with the combination of 120.7 kg ha-1 of N and 1266.6 mm of irrigation depth. Sugarcane technological quality is positively correlated with the increase of the irrigation depth in the plant cane and ratoon cane cycles and negatively correlated with nitrogen.","PeriodicalId":51288,"journal":{"name":"Revista Brasileira de Engenharia Agricola e Ambiental","volume":"79 1","pages":"482-489"},"PeriodicalIF":1.2,"publicationDate":"2020-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88408909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Production of Bambusa vulgaris seedlings from rhizomes under brackish water irrigation 微咸水灌溉下竹根茎育苗的研究
IF 1.2 4区 农林科学
Revista Brasileira de Engenharia Agricola e Ambiental Pub Date : 2020-05-01 DOI: 10.1590/1807-1929/agriambi.v24n5p337-342
L. Branco, C. F. Lacerda, A. B. Marinho, C. H. C. Sousa, A. S. F. Calvet, E. G. Oliveira
{"title":"Production of Bambusa vulgaris seedlings from rhizomes under brackish water irrigation","authors":"L. Branco, C. F. Lacerda, A. B. Marinho, C. H. C. Sousa, A. S. F. Calvet, E. G. Oliveira","doi":"10.1590/1807-1929/agriambi.v24n5p337-342","DOIUrl":"https://doi.org/10.1590/1807-1929/agriambi.v24n5p337-342","url":null,"abstract":"ABSTRACT The objective of this study was to evaluate the influence of irrigation with brackish water on the production of bamboo seedlings (Bambusa vulgaris). The experiment was carried out at the Fazenda Experimental Piroás, in the municipality of Redenção, CE, Brazil (4° 14’ 53” S, 38° 45’ 10” W, and altitude of 230 m), in a completely randomized design with five treatments and six repetitions. The treatments consisted of five irrigation water electrical conductivity (ECw): 0.5 (control); 1.5; 2.5; 3.5 and 4.5 dS m-1. At 120 days after the beginning of the application of the treatments the leaf gas exchange, relative chlorophyll index (RCI), plant height (H), shoot dry matter (SDM), H/SDM ratio, and the concentrations of Na+ and K+ in stems and leaves were evaluated. Salt tolerance indexes were calculated based on SDM, H, photosynthesis rate and RCI. The increase in the ECw reduced leaf gas exchange, and the reduction in the photosynthesis rate was caused by stomatal and non-stomatal effects. The salinity affected negatively the growth and quality of bamboo seedlings, with the greatest effects being with ECw equal to or greater than 2.5 dS m-1. Bamboo seedlings present Na+ retention in the stems and low Na+/K+ ratio in the leaves. Bamboo seedlings are tolerant to salinity up to 1.5 dS m-1, indicating that waters with this salinity can be used for seedling production of this species, without loss of growth and quality.","PeriodicalId":51288,"journal":{"name":"Revista Brasileira de Engenharia Agricola e Ambiental","volume":"37 1","pages":"337-342"},"PeriodicalIF":1.2,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89010611","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Salinity and flow rates of nutrient solution on cauliflower biometrics in NFT hydroponic system NFT水培系统中营养液盐度和流速对菜花生物特征的影响
IF 1.2 4区 农林科学
Revista Brasileira de Engenharia Agricola e Ambiental Pub Date : 2020-04-01 DOI: 10.1590/1807-1929/agriambi.v24n4p258-265
H. R. Soares, Ê. F. D. F. Silva, G. F. Silva, A. F. D. S. Cruz, J. A. Santos Júnior, M. M. Rolim
{"title":"Salinity and flow rates of nutrient solution on cauliflower biometrics in NFT hydroponic system","authors":"H. R. Soares, Ê. F. D. F. Silva, G. F. Silva, A. F. D. S. Cruz, J. A. Santos Júnior, M. M. Rolim","doi":"10.1590/1807-1929/agriambi.v24n4p258-265","DOIUrl":"https://doi.org/10.1590/1807-1929/agriambi.v24n4p258-265","url":null,"abstract":"The use of brackish water in hydroponic crops represents an alternative for vegetable production. In this context, two experiments were conducted to evaluate the effect of using brackish water to prepare the nutrient solution and replace the evapotranspired depth, applied at different flow rates, on cauliflower biometrics in NFT (nutrient film technique) hydroponic system. In both experiments, the experimental design was completely randomized with four repetitions, in a 6 x 2 factorial scheme: six levels of water electrical conductivity (ECw) in interaction with two flow rates of nutrient solution application in the hydroponic channels (1.5 and 2.5 L min-1). In Experiment I, brackish waters with different EC (1.5, 2.5, 3.5, 4.5 and 5.5 dS m-1), obtained by the addition of NaCl in public-supply water (0.2 dS m-1), were used. In Experiment II, the chemical characteristics of brackish waters collected in the semiarid region of Pernambuco were simulated, with EC of 1.67, 3.30, 4.71, 5.88 and 13.84 dS m-1, plus the control (0.2 dS m-1). Increasing salinity reduced cauliflower growth. Flow rate of 1.5 L min-1 promoted the best results of shoot fresh and dry masses, leaf area, number of leaves, plant height and shoot diameter. The best water for cauliflower production was publicsupply water and, among the well waters, the best was the calcium sulfate-rich water with EC of 1.67 dS m-1.","PeriodicalId":51288,"journal":{"name":"Revista Brasileira de Engenharia Agricola e Ambiental","volume":"169 1","pages":"258-265"},"PeriodicalIF":1.2,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83357141","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Fuzzy modeling of the risk of cacao moniliasis occurrence in Bahia state, Brazil 巴西巴伊亚州发生可可念珠菌病风险的模糊建模
IF 1.2 4区 农林科学
Revista Brasileira de Engenharia Agricola e Ambiental Pub Date : 2020-04-01 DOI: 10.1590/1807-1929/agriambi.v24n4p225-230
S. Almeida, S. A. D. Silva, J. S. S. Lima, J. Rosas, V. A. Capelini
{"title":"Fuzzy modeling of the risk of cacao moniliasis occurrence in Bahia state, Brazil","authors":"S. Almeida, S. A. D. Silva, J. S. S. Lima, J. Rosas, V. A. Capelini","doi":"10.1590/1807-1929/agriambi.v24n4p225-230","DOIUrl":"https://doi.org/10.1590/1807-1929/agriambi.v24n4p225-230","url":null,"abstract":"ABSTRACT This work aimed to determine potential areas for the establishment of cocoa moniliasis in Bahia state, Brazil, by means of fuzzy logic, based on historical datasets of temperature and air relative humidity, available for 519 measurement points distributed throughout the state of Bahia. The data were initially submitted to a descriptive statistical analysis. The spatial variability was determined through geostatistical analysis, followed by interpolation to map the spatial-temporal structure dependence of the phenomenon. Simulations of continuous pixel-to-pixel classification of variables were performed using fuzzy mapping to model the climatic risk of disease establishment. The exponential fuzzy model was applied to temperature data, while the linear model was used for air relative humidity data. The potential areas were defined for each month, using data of temperature and air relative humidity. The fuzzy models used allowed for modeling of the climatic risk of cocoa moniliasis establishment. A large area of the state is at high risk of disease, thus requiring mitigating measures to avoid the pathogen’s introduction and dissemination.","PeriodicalId":51288,"journal":{"name":"Revista Brasileira de Engenharia Agricola e Ambiental","volume":"11 1","pages":"225-230"},"PeriodicalIF":1.2,"publicationDate":"2020-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75788307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Physiological and vegetative behavior of banana cultivars under irrigation water salinity 灌溉水盐度对香蕉品种生理和营养行为的影响
IF 1.2 4区 农林科学
Revista Brasileira de Engenharia Agricola e Ambiental Pub Date : 2020-02-01 DOI: 10.1590/1807-1929/agriambi.v24n2p82-88
Edvaldo B. Santana Júnior, E. F. Coelho, K. Gonçalves, J. L. Cruz
{"title":"Physiological and vegetative behavior of banana cultivars under irrigation water salinity","authors":"Edvaldo B. Santana Júnior, E. F. Coelho, K. Gonçalves, J. L. Cruz","doi":"10.1590/1807-1929/agriambi.v24n2p82-88","DOIUrl":"https://doi.org/10.1590/1807-1929/agriambi.v24n2p82-88","url":null,"abstract":"he purpose of the study was to evaluate the effect of salinity levels of irrigation water on physiology and growth of banana cultivars during the vegetative stage. The experiment was carried out following a completely randomized design in split plots, with four levels of salinity in irrigation water (0.5, 2.0, 3.0 and 4.0 dS m-1) and fourbanana cultivars (Pacovan, Prata Ana, BRS Platina and Princesa) with three repetitions. Stomatal conductance, transpiration, relative water content, leaf water potential and proline concentration were evaluated at 150 days after transplanting (DAT), besides plant height, stem diameter and leaf area. All variables showed sensitivity to the increase of salinity level of irrigation water. The results of soil water extraction, relative water content in leaf (RWC), leaf water potential and proline content differed (p ? 0.05) among the cultivars. Prata Ana and BRS Platina cultivars were the ones with lowest sensitivity, while Pacovan and BRS Princesa cultivars showed larger variation of soil water extraction and RWC with the increase in irrigation water salinity (electrical conductivity), being considered the ones of highest sensitivity to salinity in this study. Banana crop growth as a consequence of physiological effects was inhibited by the increase in water salinity, mainly in ?BRS Princesa? cultivar","PeriodicalId":51288,"journal":{"name":"Revista Brasileira de Engenharia Agricola e Ambiental","volume":"11 1","pages":"82-88"},"PeriodicalIF":1.2,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85485605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Onion yield as a function of soil tillage system and soil water content 洋葱产量与土壤耕作制度和土壤含水量的关系
IF 1.2 4区 农林科学
Revista Brasileira de Engenharia Agricola e Ambiental Pub Date : 2020-02-01 DOI: 10.1590/1807-1929/agriambi.v24n2p115-120
J. R. Feitosa, H. C. Fernandes, P. Cecon, D. M. Leite, Filipe M. T. Nery, J. S. Pereira
{"title":"Onion yield as a function of soil tillage system and soil water content","authors":"J. R. Feitosa, H. C. Fernandes, P. Cecon, D. M. Leite, Filipe M. T. Nery, J. S. Pereira","doi":"10.1590/1807-1929/agriambi.v24n2p115-120","DOIUrl":"https://doi.org/10.1590/1807-1929/agriambi.v24n2p115-120","url":null,"abstract":"Excessive tillage operations under inadequate conditions can raise the cost of agricultural production and lead to soil degradation without adequate crop response. The objective of this study was to evaluate the onion crop response to soil water contents and tillage systems. Three tillage systems were evaluated: P1 (plowing + two harrowings + two seedbed raising operations), P2 (two harrowings + one seedbed raising operation), P3 (one harrowing + one seedbed raising operation); and four soil water contents: 12, 15, 23 and 26%. The experiment was conducted in the irrigated perimeter of Tourão, Juazeiro, BA, Brazil (9° 24’ 7.3” S; 40° 26’ 8.7” W and altitude of 368 m), in 2017, and was installed in split plots, in a randomized block design, with four repetitions. Water contents were arranged in the plots and tillage systems in the subplots. Crop response to the applied treatments was evaluated through the determination of the emergence speed index of the seedlings, regularity of the longitudinal distribution of seedlings, final stand, total and marketable yields of the crop and yield per bulb transverse diameter class. The variation of soil water content had a quadratic effect on the variables emergence speed index, final stand and total onion yield. The treatments did not significantly affect the longitudinal distribution of plants and marketable yield. The tillage system composed of one harrowing and one seedbed raising operation showed to be the most appropriate for onion cultivation by direct seeding.","PeriodicalId":51288,"journal":{"name":"Revista Brasileira de Engenharia Agricola e Ambiental","volume":"31 1","pages":"115-120"},"PeriodicalIF":1.2,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84096524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Seed physiological quality and seedling growth of pea under water and salt stress 水盐胁迫下豌豆种子生理品质与幼苗生长
IF 1.2 4区 农林科学
Revista Brasileira de Engenharia Agricola e Ambiental Pub Date : 2020-02-01 DOI: 10.1590/1807-1929/agriambi.v24n2p95-100
I. C. Pereira, H. C. R. Catão, F. Caixeta
{"title":"Seed physiological quality and seedling growth of pea under water and salt stress","authors":"I. C. Pereira, H. C. R. Catão, F. Caixeta","doi":"10.1590/1807-1929/agriambi.v24n2p95-100","DOIUrl":"https://doi.org/10.1590/1807-1929/agriambi.v24n2p95-100","url":null,"abstract":"The aim of this study was to evaluate seed physiological quality and initial pea (Pisum sativum) seedling development at different water and salt potentials. Polyethylene glycol 6000, sodium chloride and potassium chloride solutions with different osmotic potentials (0; –0.2; –0.4; –0.6; –0.8; –1.0, and –1.2 MPa) were used, and the experiment had a 3 × 7 factorial arrangement. The physiological quality and initial seedling growth characteristics (first germination count, final germination count, strong normal seedlings, epicotyl and taproot lengths, epicotyl dry matter, and root dry matter) were evaluated in a completely randomized experimental design, with four repetitions. Decreases in the observed variables showed that the simulated stress conditions negatively affected physiological performance, germination and initial seedling growth. The water and salt stresses induced by the sodium chloride and potassium chloride solutions were greater than the stress induced by polyethylene glycol 6000.","PeriodicalId":51288,"journal":{"name":"Revista Brasileira de Engenharia Agricola e Ambiental","volume":"30 1","pages":"95-100"},"PeriodicalIF":1.2,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79328979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Co-inoculation with Azospirillum brasilense in soybean cultivars subjected to water déficit 与巴西偶氮螺旋菌共接种水分失调大豆品种
IF 1.2 4区 农林科学
Revista Brasileira de Engenharia Agricola e Ambiental Pub Date : 2020-02-01 DOI: 10.1590/1807-1929/agriambi.v24n2p89-94
A. Naoe, J. Peluzio, L. J. M. Campos, L. K. Naoe, Roberta Araújo e Silva
{"title":"Co-inoculation with Azospirillum brasilense in soybean cultivars subjected to water déficit","authors":"A. Naoe, J. Peluzio, L. J. M. Campos, L. K. Naoe, Roberta Araújo e Silva","doi":"10.1590/1807-1929/agriambi.v24n2p89-94","DOIUrl":"https://doi.org/10.1590/1807-1929/agriambi.v24n2p89-94","url":null,"abstract":"This study aimed to verify the effect of co-inoculation, association between Azospirillum brasilense and Bradyrhizobium japonicum bacteria, on soybean plants subjected to water deficit at two sowing dates. Two field experiments were conducted at the Universidade Federal de Tocantins, campus of Palmas, Brazil, in 2016. The experimental design was randomized blocks in a split-split-plot arrangement with four repetitions, where the plots consisted of two irrigation depths (100 and 25% of crop evapotranspiration ETc), the subplots was composed of two methods of inoculant application (inoculation with Bradyrhizobium japonicum and co-inoculation with Azospirillum brasilense + Bradyrhizobium japonicum) and the sub-subplots comprised two soybean cultivars (TMG 132 and ANTA 82). The cultivars responded differently to the sowing dates. Co-inoculation did not influence grain yield under full irrigation conditions (100% ETc), in neither cultivar evaluated. However, under the water deficit condition (25% ETc), the grain yield of the cultivar TMG 132 increased 77.20%, indicating that there are different responses of interaction between Azospirillum brasilense, plant genotype and sowing dates.","PeriodicalId":51288,"journal":{"name":"Revista Brasileira de Engenharia Agricola e Ambiental","volume":"55 1","pages":"89-94"},"PeriodicalIF":1.2,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87259566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
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