Investigacion Agraria最新文献_第4页

Spatial analysis of soil physical properties in the Suárez river watershed, Boyacá - Santander (Colombia), using principal component analysis 使用主成分分析法对Boyacá-Santander（哥伦比亚）苏亚雷斯河流域土壤物理特性的空间分析

Investigacion Agraria Pub Date : 2021-06-30 DOI: 10.18004/investig.agrar.2021.junio.2301657

Ruy Edeymar Vargas Díaz, Julio Pacheco, Ramón Giraldo Henao

引用次数: 1

Incidence of complementary irrigation in sesame grains yield (Sesamun indicum L.) 补充灌溉对芝麻产量的影响（Sesamun indicum L.）

Investigacion Agraria Pub Date : 2020-12-30 DOI: 10.18004/investig.agrar.2020.diciembre.2202642

Sixto Hugo Rabery Cáceres, Víctor Ramón Enciso Cano, Rubén Alcides Franco Ibars, José Roberto Lezcano

{"title":"Incidence of complementary irrigation in sesame grains yield (Sesamun indicum L.)","authors":"Sixto Hugo Rabery Cáceres, Víctor Ramón Enciso Cano, Rubén Alcides Franco Ibars, José Roberto Lezcano","doi":"10.18004/investig.agrar.2020.diciembre.2202642","DOIUrl":"https://doi.org/10.18004/investig.agrar.2020.diciembre.2202642","url":null,"abstract":"Sesame (Sesamum indicum L.) is one of the oldest cultivated oilseeds due to its high oil potential. In Paraguay, its cultivation has become more important in recent years, due to its efficient adaptation to medium to low fertility soils. It has become one of the main economic activities of rural family farming. One of sesame limitations is water deficiency that can damage by 20 to 30% the emergence of the crop. Therefore, the objective of this research was to evaluate the incidence of the application of complementary irrigation on the grain yield of the sesame crop. The experiments were carried out in two agricultural periods, (2016 2017 and 2017 2018) using four and six varieties, Escoba, SH 1, Dorado, PF 6 and Escoba, SH 1, INIA, IP 10, K2, K7, respectively. The experimental design used was complete random blocks with four repetitions and four varieties for the first period and six varieties with three repetitions for the second period. For each experiment, a plot with spray irrigation was used three times, at intervals of 10 days, 80 minutes each time and for a period of 45 days and another plot without irrigation. The results obtained show that there was a highly significant effect with the application of irrigation for both agricultural periods, mainly for varieties SH 1 and Escoba with a grain yield of 1,140 and 1,091 kg ha-1, respectively, representing an increase of 54% and 58%, regarding the plot control without irrigation. Therefore, the effects of the incidence of the application of complementary irrigation in agricultural soils should be considered to estimate the potential impact on grain yield in the different sesame varieties.","PeriodicalId":52991,"journal":{"name":"Investigacion Agraria","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48033153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Biodigesters as a complement to the soybean, corn and wheat production chain in Paraguay, technical and economic pre-feasibility study 生物消化器作为巴拉圭大豆、玉米和小麦生产链的补充，技术和经济预可行性研究

Investigacion Agraria Pub Date : 2020-12-30 DOI: 10.18004/investig.agrar.2020.diciembre.2202581

Juan Pablo Dos Santos Miranda, Stijn Van der Krogt, A. Portillo

引用次数: 0

Effectivity of ozone on Sitophilus oryzae (L.) (Coleoptera: Curculionidae) under laboratory condition 臭氧在实验室条件下对米象甲（Coleoptera：Curculionidae）的影响

Investigacion Agraria Pub Date : 2020-12-30 DOI: 10.18004/investig.agrar.2020.diciembre.2202640

José Alexander Triana Arcano, Y. Rojas, Rita Ávila, D. Hernández, José M. Sánchez

引用次数: 0

Atributos químicos do solo e produção de Urochloa brizantha cv. Marandu 马兰杜灰蝶的土壤化学特性及产量

Investigacion Agraria Pub Date : 2019-08-20 DOI: 10.18004/INVESTIG.AGRAR.2019.DICIEMBRE.108-116

Patricia Juana Colmán Ribelatto, Aline Marques Genú, S. Lustosa, C. A. Pott

引用次数: 2

Avaliação de procedimentos rotineiros na suinocultura como métodos estimativos de estresse mediante a aplicação da vocalização e velocidade de manejo 通过应用发声和处理速度来评估养猪业的常规程序作为应激估计方法

Investigacion Agraria Pub Date : 2019-08-14 DOI: 10.18004/INVESTIG.AGRAR.2019.DICIEMBRE.117-123

G. D. Ricci, Cristiane Gonçalves Titto, Késia Oliveira da Silva Miranda, P. Berto, Evaldo Antônio Lencioni Titto, Vera Letticie de Azevedo Ruiz

{"title":"Avaliação de procedimentos rotineiros na suinocultura como métodos estimativos de estresse mediante a aplicação da vocalização e velocidade de manejo","authors":"G. D. Ricci, Cristiane Gonçalves Titto, Késia Oliveira da Silva Miranda, P. Berto, Evaldo Antônio Lencioni Titto, Vera Letticie de Azevedo Ruiz","doi":"10.18004/INVESTIG.AGRAR.2019.DICIEMBRE.117-123","DOIUrl":"https://doi.org/10.18004/INVESTIG.AGRAR.2019.DICIEMBRE.117-123","url":null,"abstract":"Vocalization and behavior are non-invasive methods of animal welfare analysis. The objective of this study was to evaluate the welfare of piglets during Australian ear notching, tooth wear and castration, from vocalizations and behavioral aspects of pigs. For this, 281 piglets were used, with measurements of the maximum and minimum intensity of the noise emitted by the piglets and the time of accomplishment. The behavior of the piglets was obtained according to the activity performed during handling and containment. For behavioral analysis a specific etogram was used. The comparison of means was performed by T-test and PDIFF. The castration was the practice with the highest average of time of accomplishment, followed by the wear of teeth and ear notching. The highest mean values of minimum and maximum intensity were found for male castration in the slow process. It was observed that sex did not influence the time when the ear notching and tooth wear were performed, but at the same time the avoidance behavior was the most observed (P <0.05), with low frequency in castration. Therefore, it can be concluded that the procedures caused pain, characterized by vocal demonstrations and negative behavior.","PeriodicalId":52991,"journal":{"name":"Investigacion Agraria","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45902590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Percepción de la indicación geográfica en carne bovina y disposición a pagar 对牛肉地理标志的感知和支付意愿

Investigacion Agraria Pub Date : 2019-08-13 DOI: 10.18004/INVESTIG.AGRAR.2019.DICIEMBRE.149-156

Gustavo Daniel Vega Britez, Antonio Eduardo Martínez Servin, Nelson David Lesmo Duarte, José Augusto Velazquez Duarte, Marcos Arturo Ferreira Aguero

引用次数: 1

Influencia de niveles de infestación de Tubixaba tuxaua (Monteiro & Lordello, 1980) en el cultivo de soja Tubixaba tuxaua（Monteiro&Lordello，1980）侵染水平对大豆种植的影响

Investigacion Agraria Pub Date : 2019-08-13 DOI: 10.18004/INVESTIG.AGRAR.2019.DICIEMBRE.142-148

C. Kolling, M. M. Ojeda

{"title":"Influencia de niveles de infestación de Tubixaba tuxaua (Monteiro & Lordello, 1980) en el cultivo de soja","authors":"C. Kolling, M. M. Ojeda","doi":"10.18004/INVESTIG.AGRAR.2019.DICIEMBRE.142-148","DOIUrl":"https://doi.org/10.18004/INVESTIG.AGRAR.2019.DICIEMBRE.142-148","url":null,"abstract":"Tubixaba tuxaua is a phytonematode that causes damage to crops and was recentlyidentified in soil samples from Paraguay. Due to the scarcity of local information on thedamage caused to soybean cultivation, a study was carried out with the objective ofevaluating the effects on development and yield caused by different densities of Tubixabatuxaua in the soybean crop. The experiment was carried out in field conditions, in the2016/2017 cycle, in Tempiaporenda, Caazapa, Paraguay, in a plot with 10 years ofsoybean production. According to the symptoms observed 48 days after sowing, 3 areasof infestation were delimited and distributed in a completely randomized experimentaldesign with 12, 6 and 7 repetitions, for the areas of high, medium and free infestationof Tubixaba tuxaua respectively. The variables analyzed were; population of thenematode, foliar area, dry mass, height of plant, number of pods, weight of 100 grainsand yield. The results showed statistical differences between the treatments for all thevariables except weight of 100 grains. It was observed that in areas with a greaterpopulation of nematodes, there was a decrease in plant height, number of pods, foliararea, dry mass and yield with a decreasing tendency.","PeriodicalId":52991,"journal":{"name":"Investigacion Agraria","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46880814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Recuperación del pastizal natural en un bosque nativo degradado del Espinal argentino mediante el control químico aéreo de arbustivas 通过对灌木的空中化学控制，恢复阿根廷脊柱退化的原生森林中的天然草地

Investigacion Agraria Pub Date : 2019-08-13 DOI: 10.18004/INVESTIG.AGRAR.2019.DICIEMBRE.93-107

J. A. Sabattini, R. A. Sabattini, Alicia Florencia Urteaga Omar, M. Bacigalupo, J. C. Cian, Iván Alberto Sabattini, Víctor Manuel Dopazo

{"title":"Recuperación del pastizal natural en un bosque nativo degradado del Espinal argentino mediante el control químico aéreo de arbustivas","authors":"J. A. Sabattini, R. A. Sabattini, Alicia Florencia Urteaga Omar, M. Bacigalupo, J. C. Cian, Iván Alberto Sabattini, Víctor Manuel Dopazo","doi":"10.18004/INVESTIG.AGRAR.2019.DICIEMBRE.93-107","DOIUrl":"https://doi.org/10.18004/INVESTIG.AGRAR.2019.DICIEMBRE.93-107","url":null,"abstract":"The stability of the ecosystems is directly related to a high value of biodiversity and, in this sense, the anthropic effects have generated negative conditions on the natural pastures. The aim of this work was to evaluate the recovery of the natural grassland of a degraded native forest of the Argentine Spinal with shrubs by means of an aerial chemical control in a cattle system with rotary grazing of low instantaneous load. The study was carried out in the Protected Natural Area Reserve of Multiple Uses Estancia \"El Caraya\" located in the north central of Entre Rios, Argentina.16 evaluations were carried out (between 2012 and 2015) on the chemically treated sector with Picloram+2,4-D and on three sectors without treatment. In each evaluation, the vegetation cover, the floristic composition of the most representative forage species, and the plant biomass, were quantified. The results of this work show that the use of an aerial chemical control technique increases significantly, by 44%, the coverage and biomass of the forage species in the treated areas with respect to the control. Chemical control over shrubs persisted over time with considerable effectiveness during the years of evaluation. Likewise, the floristic composition of the herbaceous species did not present significant differences between treatments.","PeriodicalId":52991,"journal":{"name":"Investigacion Agraria","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42639009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Primer Registro de Diaphania hyalinata (Linnaeus) y D. nitidalis (Stoll) (Lepidoptera: Crambidae) sobre Melothria pendula L. (Cucurbitaceae) en el estado Lara, Venezuela 委内瑞拉劳拉州透明透明膜(Linnaeus)和nitidalis (Stoll)(鳞翅目:Crambidae)在瓜科Melothria pendula L.上的首次记录

Investigacion Agraria Pub Date : 2019-08-13 DOI: 10.18004/INVESTIG.AGRAR.2019.DICIEMBRE.136-141

Tarcisio José Capote Luna, Evelin Arcaya Sánchez, Dilcia María Hernández Juárez

引用次数: 0