Análisis de la competitividad de cinco cultivos en el municipio de Suchiapa, Chiapas, México

Objective: The purpose of this work was to analyze the profitability, competitiveness of five crops to see the economic viability and to be able to recommend to the producers from the economic point of view the best option for the productive reconversion. Design / methodology / approach: Five technological packages of bean, corn, fig, sorghum and Jamaican crops were established, which serve as information inputs for economic analysis. Through the policy analysis matrix methodology, three interconnected Excel sheets are designed for profit, income, cost, cost benefit ratio, value added, intermediate consumption and private cost ratio to define profitability and Competitiveness of the crops analyzed. It works with current or market prices and with the first line of the policy analysis matrix. Results: Of the results obtained, beans have a gain of only $2,800 pesos per hectare produced; while Jamaica was$ 95,590 pesos per hectare with a production of 700 kilos sold at a price of $150 pesos kilo of dry calyx. With respect to the B / C ratio, beans have the lowest, while sorghum and Jamaica are the highest with 1.80 and 9.20 respectively. The added value and intermediate consumption of beans, corn and fig crops, shows similar figures, while sorghum and Jamaica have indicators of 80With respect to the Private Cost (CPR) ratio, beans are those that tend to 1, while Jamaica is 0, which indicates that the former is less competitive than the latter. Conclusions: Of the five crops analyzed, beans were the least profitable and competitive, presenting a profit of only$ 2,800 pesos, a cost benefit ratio of $1.30 and a competitiveness index of 0.64. Jamaica, on the other hand, was the most competitive and profitable with an R B / C of$ 9. 20 pesos, and a CPR of 0.08. Keyword: Profitability, productive reconversion, competitiveness.Objetivo: El presente trabajo tuvo como finalidad el análisis de la rentabilidad y competitividad de cinco cultivos para ver la viabilidad económica, y poder recomendar a los productores la mejor opción para la reconversión productiva desde el punto de vista económico. Diseño/metodología/aproximación: Se establecieron cinco paquetes tecnológicos de los cultivos de frijol, maíz, higuerilla, sorgo y jamaica, los cuales sirvieron como insumos de información para el análisis económico.  A través de la metodología de matriz de análisis de políticas, se diseñan tres bases de datos relacionadas entre sí para la obtención de ganancias, ingreso, costo, relación beneficio costo, valor agregado, consumo intermedio y relación de costo privado para definir la rentabilidad y competitividad de los cultivos analizados.  Se trabaja con precios corrientes o de mercado y con el primer renglón de la matriz de análisis de políticas. Resultados: De los resultados obtenidos el frijol presentó una ganancia de tan solo $2,800 pesos por hectárea producida; mientras que la Jamaica fue de$95,590 pesos por hectárea con una producción de 700 kilos vendido a un precio de $150 pesos kilo de cáliz seco. Con respecto a la relación B/C el frijol presentó el más bajo, mientras el sorgo y la jamaica fueron los más altos con 1.80 y 9.20 respectivamente. El valor agregado y el consumo intermedio de los cultivos de frijol, maíz e higuerilla, presentaron cifras similares, mientras que el sorgo y la Jamaica tuvieron indicadores de 80Con respecto a la relación de Costo Privado (RCP), el frijol tendió a 1, mientras que la Jamaica a 0, lo que indica que el primero es menos competitivo que el segundo. Conclusiones: De los cinco cultivos analizados, el frijol resultó el menos rentable y competitivo, al presentar una ganancia de tan solo$2,800 pesos, una relación beneficio costo de $1.30 y un índice de competitividad de 0.64. La Jamaica por contrario fue el más competitivo y rentable con una R B/C de$9. 20 pesos, y un RCP de 0.08

The field schools in the national institute of forestry, agricultural and livestock research: As escolas de campo do instituto nacional de pesquisa florestal, agrícola e pecuária

One of the objectives of the National Institute of Forestry, Agricultural and Livestock Research (INIFAP) is to promote and support the transfer of forestry, agricultural and livestock knowledge and technologies, according to the priority needs and demands of producers and society, as well as How to contribute to the training of human resources. To achieve this goal, according to Cadena et al 2015, INIFAP has implemented 14 technology transfer models, from those linear schemes from abroad, to participatory methods, such as the Livestock Groups Technology Validation and Transfer model (GGAVATT) and Experimental Producer, among others. He highlights that, in the southeastern region of Mexico, a paradigm shift has been marked with the Field Schools. Regarding this last model, this article describes the process by which the INIFAP research staff began to use the Field Schools model in the training of technicians and producers and the process of methodological adaptation to be used as a model of training, as well as some experiences of its use in different entities and contexts, and finally the perspectives that are displayed with its application

Agroecological farming, climate change and migration in marginalized areas of Mexico / La agricultura agroecológica, cambio climático y migración en áreas marginadas de México

Anthropogenic climate change, migration and agriculture are concepts intimately linked to each other and each one has effects on society as a whole, this document aims to elucidate the contribution of a paradigmatic change of subsistence agriculture for food production, in comparison with the incorporation of agroecological practices in agriculture in marginalized areas that can be friendlier to the environment and the conservation of natural resources, which allow greater opportunities for the rural population to settle. The proposal and results expressed in this document indicate the possibility of making a change in food production in areas that have historically been relegated and that the Government of Mexico has placed special interest in supporting, through the Production for Well-being Program. , implemented by the Ministry of Agriculture of Mexico and the National Institute of Forestry, Agricultural and Livestock Research, through the Technical Support Strategy in 11 production chains, which receive direct support, technical support and financing in production projects. Under the methodology of learning by doing and field schools as a method of knowledge transfer. To date, 2,200 field schools have been established, serving more than 450 municipalities in 27 states of the Mexican Republic, and 190 researchers, 1,139 technicians or professional service providers, and 7,000 young people participating in the program of Youth Building the Future

Contenido de azúcares en variedades de sorgo (Sorghum bicolor L.) para etanol en el centro de Chiapas, México

Objective: The objective was to evaluate varieties of sweet sorghum for their sugar content and stability in different environments. Design/methodology/approximation: The experiments were established in the localities of Ocozocoautla and Suchiapa of the Center of Chiapas during the years 2015, 2016 and 2017. The varieties RB-Cañaveral, RB-Tehua, RB-Cañero, RB-Norteño, RB-Paloma and Fortuna were evaluated, under the experimental design of randomized complet blocks with four repetitions. The sugar conten (°Brix) in the phenological stages of flowering and physiological maturity of the grain was quantified. A combined analysis of variance was modeled using the site regression method (SREG). Results: The analysis of variance showed highly significant differences (P<0.01) between environments, varieties and for genotype x environment interaction. In the flowering stage, the varieties RB Cañaveral and Fortuna stood out with 15.92 and 14.28 °Brix; while in physiological maturity of the grain the varieties RB-Cañaveral, Fortuna, RB-Paloma and RB-Tehua stood out with values of 17.9, 15.86, 14.82 and 14.69 °Brix, respectively. Limitatons of the study/implications: It is desirable to promote these varieties in environments with drought problems in the Center of Chiapas.Finding/Conclusions: The varieties RB-Cañaveral and Fortuna were the ones that produced the highest sugar content on average of the five environments. The RB-Cañaveral variety showed stability through the environments for the production of sugar.Objetivo: evaluar variedades de sorgo dulce (Sorghum bicolor L.) por su contenido de azúcares y estabilidad en ambientes diferentes. Diseño/metodología/aproximación: Los experimentos se establecieron en las localidades de Ocozocoautla y Suchiapa del Centro de Chiapas durante los años 2015, 2016 y 2017.  Se evaluaron las variedades RB-Cañaveral, RB-Tehua, RB-Cañero, RB-Huasteco, RB-Norteño, RB-Paloma y Fortuna, bajo el diseño experimental de bloques completos al azar con cuatro repeticiones. Se cuantificó el contenido de azúcares (°Brix) en las etapas fenológicas de floración y madurez fisiológica del grano. Se realizó un análisis de varianza combinado. La interacción genotipo ambiente y la estabilidad de la producción de azúcares se modeló con el método de regresión en los sitios (SREG). Resultados: El análisis de varianza mostró diferencias altamente significativas (P<0.01) entre los ambientes, variedades y para la interacción genotipo x ambiente. En la etapa de floración destacaron las variedades RB-Cañaveral y Fortuna con 15.92 y 14.28 °Brix; mientras que en madurez fisiológica del grano sobresalieron las variedades RB-Cañaveral, Fortuna, RB-Paloma y RB-Tehua con valores de 17.9, 15.86, 14.82 y 14.69 °Brix, respectivamente. Limitaciones del estudio/implicaciones: Es deseable la promoción de estas variedades en ambientes con problemas de sequía del Centro de Chiapas. Conclusiones: Las variedades RB-Cañaveral y Fortuna fueron las que produjeron mayor contenido de azúcares en promedio de los cinco ambientes. La variedad RB-Cañaveral mostró estabilidad a través de los ambientes para la producción de azúcares

Agronomic evaluation of corn (Zea mays L.) genotypes in the warm dry region of Chiapas, Mexico

Abstract: The objective of the present investigation was to evaluate the agronomic performance of experimental genotypes of maize in three agro-ecological environments of the Centro de Chiapas region. During the spring summer 2016 agricultural cycle, six maize genotypes were evaluated in a randomized block design with four replications. The genotypes showed significant differences (P <0.05) for grain yield, plant height, ear length and number of rows; the interaction genotype by environment was not significant. The XT-5627 and XT-5610 genotypes showed greater stability and the first showed higher yield. The high yields were obtained in the Francisco Villa, Villaflores environment, of the Frailesca region, Chiapas. Objective: The objective of this research was to evaluate the agronomic behavior of experimental maize genotypes in three contrasting environments of the Central region of Chiapas. Design/methodology/approach: The experiments were established during the spring-summer 2016 agricultural cycle in the towns of Francisco Villa, Villaflores (730 m); San Luis, Suchiapa (600 m) and in Ocozocoautla (800 m), located in the Central region of the state of Chiapas. In the three sites, the climate is warm subhumid with rains in summer and presence of intra-festival drought during the second half of July and the first half of August.  Genetic material. The experimental genotypes were evaluated: XT-5614, XT-3402, XT-5610, XT-5612, XT-5627 and the BG7415W genotype of the Biogene company, which is used in commercial crops in the Center of Chiapas. All genotypes showed viability greater than 90%. The genotypes were distributed in the three experimental sites, which were used for seeding in a randomized complete block experimental design with four replications. The experimental unit consisted of four rows of 5 m in length each and 0.8 m apart, while the useful plot was formed by the two central rows. Variables evaluated. Days to male flowering (DFM), days to female flowering (DFF), plant height (AP), ear height (AM), ear length (LM), ear diameter (DM), rows per ear (HM) , grains per row and grain yield (REND) at 14% moisture. A combined analysis of variance (ANOVA) was carried out and the model of additive main effects and multiplicative interaction (AMMI) was used for the evaluation of the genotype x environment interaction (IGA). The analysis of variance was solved with the SAS system (SAS, 2000) while the GEA-R program was used for the AMMI model (Pacheco et al., 2015). Results: The combined analysis of variance detected differences between genotypes (G) for most of the variables except in grains per row and days to male and female flowering; Between environments (A) there were significant differences for all variables, for the environment genotype interaction (IGA), there were only significant differences for the number of rows per ear (Table 1). The values of the coefficient of variation (CV) were from 1.26 (DFF) to 10% (REND), which indicates an acceptable control (<20%) of the experimental variability. The results show a genetic variation between the evaluated genotypes, which allows selecting the most outstanding ones. The evaluation environments represent the agroecological conditions, where maize is grown in the Central region of Chiapas and because they are contrasting, they showed differential effects and this condition is necessary in the evaluation of germplasm in the process of genetic improvement (Córdoba, 1991). Limitations on study/implications: With regard to ear height, the values are acceptable as short plants favor ear rot in hot climates, when there is excess weeds before harvest. The flowering of the genotypes is considered acceptable and they were earlier (55 days) in the Suchiapa site, probably due to the high temperatures of this locality and, in addition, there was the presence of intra-festival drought, compared to the other two experimental sites. The asynchrony between male and female flowering in all genotypes was not significant. Findings/conclusions: Among the genotypes, there were significant differences for grain yield, plant height, ear height, ear length, and number of rows; the genotype-by-environment interaction was not significant. The XT 5627 and XT 5610 genotypes showed higher stability and the former showed higher grain yield. The high yields were presented in the environment of Francisco Villa, Villaflores, of the Frailesca region, Chiapas.Objective. To evaluate the agronomic behavior of corn (Zea mays L.) experimental genotypes in three contrasting environments in the Central region of Chiapas, Mexico. Design / methodology / approach. The experiments took place during the 2016 spring-summer agricultural cycle at Francisco Villa, Villaflores (730 m); San Luis, Suchiapa (600 m) and Ocozocoautla (800 m), at the Central region in the state of Chiapas, Mexico. At the three assessed sites, the climate is warm subhumid with rains in summer and intra-stival drought during the second half of July and the first half of August. The genotypes XT-5614, XT-3402, XT-5610, XT-5612, XT-5627, and BG7415W from the Biogene Company were evaluated, which are used in commercial crops at the Center of Chiapas. All genotypes showed viability greater than 90%. Three experimental sites were evaluated, in a randomized complete block design with four replications. The experimental unit consisted of four 5 m long rows 0.8 m apart. The useful plot was formed by two central furrows. The evaluated variables were: days to male flowering (DMF), days to female flowering (DFF), plant height (PH), cob height (CH), cob length (CL), cob diameter (CD), rows per cob (RC), grains per row and grain yield (YLD) at 14% moisture. These were analyzed with an analysis of variance (ANOVA) and for the genotype x environment interaction (GEI) the additive main effects and multiplicative interaction model (AMMI) were used, with the SAS statistical software and the GEA-R software. Results: The combined analysis of variance detected differences between genotypes (G) for most of the variables except in grains per row. and days to male and female flowering; there were significant differences between environments (A) for all variables, while for the GEI, there were significant differences for the number of rows per cob. The CV was 1.26 (DFF) at 10% (YLD), which indicates an acceptable control (<20%) of the experimental variability. The results indicated genetic variation between evaluated genotypes, which allows the selection of the most outstanding ones. The evaluation environments showed differential effects and this condition is necessary for the evaluation of germplasm for a genetic improvement process. Study limitations/implications: Cob height registered acceptable values given that short plants favor rotting in hot climates when weeds are present before harvest. The flowering of the genotypes was considered acceptable and was earlier (55 d) at the Suchiapa site. Findings/conclusions: Among the assessed genotypes there were significant differences for grain yield, plant height, cob height, cob length and the number of rows; the genotype-by-environment interaction was not significant. The XT 5627 and XT 5610 genotypes showed higher stability, and the former showed higher grain yield. The highest yields were recorded in the environment from Francisco Villa, Villaflores, at the Frailesca region, Chiapas

Technological proposal for a greater irrigated corn (Zea mays L.) pro-duction

Objective: Validate the experimental results of irrigated maize production of the Autumn-Winter cycles from the years 2019 to 2022. Design/methodology/approach: Establishment of six validation plots, three in the Cuxtepeques Irrigation District and three in Irrigation Units. Results: The production of corn grain is up to 64% higher with the INIFAP technology compared to the traditional one; however, the average yield obtained in the validation phase was 11.5 t ha-1 compared to 15.9 t ha-1 in the experimental phase. Limitations on study/implications: Findings/conclusions: It is necessary to have machinery for precision planting and fertilization, efficient irrigation infrastructure, access to credit and permanent technical assistance to achieve yields similar to those obtained experimentally. Keywords: Corn; Irrigation; Frailesca, Chiapas.  O Objective: To validate the experimental results of corn (Zea mays L.) production under irrigation during the 2019-2022 autumn-winter cycles. Design/Methodology/Approach: Six validation plots were established, three in the Cuxtepeques irrigation district and three in irrigation systems in Chiapas, Mexico. Results: Corn grain production is 64% higher with the INIFAP technology than the traditional methods; however, the average yield obtained in the validation phase (11.5 t ha-1) was lower than the yield of the experimental phase (15.9 t ha-1). Study Limitations/Implications: None. Findings/Conclusions: Production requires machinery for sowing and precision fertilization, efficient irrigation infrastructure, access to credit, and permanent technical assistance to achieve yields similar to those obtained in the experiment

Effect of the application of potassium on the yield of corn (zea mays L.) in La Frailesca, chiapas Mexico / Efeito da aplicação de potássio na produção de milho (zea mays L.) em La Frailesca, chiapas, México

In recently soil analysis in La Frailesca Chiapas, it has been detected that most soils have low exchangeable potasium (K) concentrations, therefore maize plants show symptoms of deficiency of this nutrient, which can affect the yield. The maize response was evaluated at four doses of K (0, 90, 180 and 270 kg K2O ha-1) in three locations with non-acid soils. A randomized block design with five replications was used, and potassium chloride (KCl) as a potassium source. KCl was applied by manual broadcasting and was incorporated to the soil 10 and 15 cm deep with a disc harrow. In all three locations a significant positive response was observed (p <0.05) to which a lineal-plateau model was adjusted, with an average increase in yield of 1 964 kg ha-1 (150% higher than without K) with 90 kg K2O ha-1. No response was observed to higher doses. The regression equation for the linear part of the response model is: Yield (kg ha-1) = 3 855 + 22 kg K2O ha-1. The agronomic efficiency of K at the dose of 90 kg K2O ha-1 was higher than the reference range (7 to 15 kg grain.kg-1 K2O). At the same time, this treatment had the highest net benefit and a marginal rate of return of 370%. Under the conditions of this study, the application of 90 kg K2O ha-1 presented the highest yield, economic benefit and agronomic efficiency

Evaluation of microbiological safety in bioinputs produced in Mexico

Objective: This work aimed to evaluate the microbiological safety of bioinputs produced in Mexico. The main reason for this evaluation is that bioinputs are products made from the region's manures, plant residues and raw materials. The transformation of these raw materials is carried out by microorganisms present. The process goes through three stages: initial, thermophilic and final. The thermophilic stage is critical because weeds and microorganisms with pathogenic potential disappear in processes under optimal conditions. Methodology: 1345 bioinputs samples were received from different states of Mexico. The samples were evaluated for the presence of total and fecal coliforms and Escherichia coli under the provisions of the Official Mexican STANDARDS, NOM-210-SSA1-2014 and NOM-114-SSA1-1994. Results: It was possible to identify 79% of the samples with Most Probable Number values <3 of total coliforms, fecal coliforms and Escherichia coli, the minimum permissible by the Official Mexican STANDARD NOM-210-SSA1-2014, also identified 99% of samples free of Salmonella. Conclusions: The results obtained allow us to conclude that the bioinputs produced in Mexico are free of pathogens for humans, which can also be represented as innocuous bioinputs.  Objective: This work aimed to evaluate the microbiological safety of bioinputs produced in Mexico. The main reason for this evaluation is that bioinputs are products made from the region's manures, plant residues and raw materials. The transformation of these raw materials is carried out by microorganisms present. The process goes through three stages: initial, thermophilic and final. The thermophilic stage is critical because weeds and microorganisms with pathogenic potential disappear in processes under optimal conditions. Methodology: 1345 bioinputs samples were received from different states of Mexico. The samples were evaluated for the presence of total and fecal coliforms and Escherichia coli under the provisions of the Official Mexican STANDARDS, NOM-210-SSA1-2014 and NOM-114-SSA1-1994. Results: It was possible to identify 79% of the samples with Most Probable Number values <3 of total coliforms, fecal coliforms and Escherichia coli, the minimum permissible by the Official Mexican STANDARD NOM-210-SSA1-2014, also identified 99% of samples free of Salmonella. Conclusions: The results obtained allow us to conclude that the bioinputs produced in Mexico are free of pathogens for humans, which can also be represented as innocuous bioinputs

Contributions to the INIFAP technology transfer 35 years after its creation / Contribuições para a transferência de tecnologia INIFAP 35 anos após a sua criação

The main contributions that INIFAP has made in the transfer of technologies and knowledge, in support of the rural population of Mexico, are presented, the most outstanding models within the national and international scope that researchers have put into operation and their main results are detailed. Undoubtedly, the institutional contributions to the programs of the Ministry of Agriculture and Rural Development have marked a watershed between the traditional models or what "what occurred to him" to the researcher in contrast to the participatory and inclusive models to contribute to the substantial improvement of the productive processes, the family economy and for the agribusiness

Competitividad de las unidades de producción rural en santo domingo Teojomulco y san Jacinto Tlacotepec, sierra sur, Oaxaca, México

In the Sierra Sur region of the state of Oaxaca, México, high indexes of marginalization and poverty prevail. This situation is influenced by several factors, one of them being the low competitiveness of rural production units. The objective of this study was to determine the level of competitiveness of families and to identify the variables that determine it. A survey was carried out with heads of households in Santo Domingo Teojomulco and San Jacinto Tlacotepec, complemented with visits and informal meetings. The competitiveness per productive unit was quantified through the Private Cost Relation (Relación de Costo Privado, RCP), and a multiple linear regression model was formulated where competitiveness was the dependent variable. The results indicated that 83 % of the production units are not competitive, since although their net profit is positive, the added value is insufficient to cover the production factors. Competitiveness is determined by factors such as the cost of labor, auto-consumption, sales, cash expenses, subsidies and maize productivity. In order to improve competitiveness, increasing and diversifying land productivity with technological improvement is required, as well as fostering a higher level of auto-consumption and participation in the market.En la región Sierra Sur del estado de Oaxaca, México, prevalecen elevados índices de marginación y pobreza. Esta situación es influenciada por varios factores, uno de ellos es la baja competitividad de las unidades de producción rural. El objetivo de este trabajo fue determinar el nivel de competitividad de las familias e identificar las variables que la determinan. Se realizó una encuesta a jefes de familia de Santo Domingo Teojomulco y San Jacinto Tlacotepec, complementada con recorridos y reuniones informales. Se cuantificó la competitividad por unidad productiva mediante la Relación de Costo Privado (RCP), y se formuló un modelo de regresión lineal múltiple en donde la competitividad fue la variable dependiente. Los resultados indicaron que 83 % de las unidades de producción no son competitivas, ya que aunque su ganancia neta es positiva, el valor agregado es insuficiente para cubrir los factores de producción. La competitividad está determinada por factores como el costo de mano de obra, el autoconsumo, las ventas, los gastos en efectivo, los subsidios y la productividad del maíz. Para mejorar la competitividad se requiere incrementar y diversificar la productividad de la tierra con mejoras tecnológicas, y propiciar mayor nivel de autoconsumo y participación en el mercado