Agrociencia最新文献_第6页

ESTIMATION OF MAIZE GENETIC COEFFICIENTS FOR THE CERES-MAIZE MODEL USING NON-DESTRUCTIVE METHODS 玉米-玉米模型遗传系数的无损估计

IF 0.3 4区农林科学

Agrociencia Pub Date : 2023-03-15 DOI: 10.47163/agrociencia.v57i2.2505

José Luis Noriega Navarrete, R. Salazar Moreno, J. Burgueño-Ferreira, Thanda Dhliwayo, I. López Cruz, C. Petroli

{"title":"ESTIMATION OF MAIZE GENETIC COEFFICIENTS FOR THE CERES-MAIZE MODEL USING NON-DESTRUCTIVE METHODS","authors":"José Luis Noriega Navarrete, R. Salazar Moreno, J. Burgueño-Ferreira, Thanda Dhliwayo, I. López Cruz, C. Petroli","doi":"10.47163/agrociencia.v57i2.2505","DOIUrl":"https://doi.org/10.47163/agrociencia.v57i2.2505","url":null,"abstract":"The Crop Environment Resource Synthesis-Maize (CERES-Maize) mechanistic model, included in the Decision Support System for Agrotechnology Transfer (DSSAT), is a useful and powerful tool that simulates the growth and yield of maize in different environments. The qualitative and quantitative information provided to the CERES-Maize model guarantees reliability in the simulations obtained. However, it requires a lot of information such as soil characteristics, daily climate, crop characteristics and management, as well as six genetic coefficients. This research assessed a non-destructive methodology for estimating the six required parameters (genetic coefficients): P1, P2, P5, G2, G3 and PHINT, based on the maize physiology, measured from the Growing Degree Days (GDD) base 10. An experiment was established at the experimental station of the International Maize and Wheat Improvement Center (CIMMYT) in Tlaltizapan, Morelos, Mexico, where 27 white maize hybrids and 14 yellow maize hybrids were manually sown in an irrigation conservation tillage system. Once the simulations of maize growth and yield were obtained with CERES-Maize model, the genetic coefficients were calibrated using the Generalized Likelihood Uncertainty Estimation (GLUE). After calibration of the six genetic coefficients for all hybrids, an average values of P1, G2 and G3 were within the typical range, while P2 and P5 were greater than the typical range, and PHINT was below typical range. However, the simulation model showed good performance after calibration, according to the average R2 of 0.9809 and 0.9730 between measured and simulated yields for white and yellow hybrids respectively. The coefficients estimated in this study can be used in the CERES-Maize model to simulate maize yields in different regions of the country for the hybrids used here.","PeriodicalId":50836,"journal":{"name":"Agrociencia","volume":"35 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73073356","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

MACGRAN-IJ: AN EFFICIENT METHOD TO ANALYZE DIMENSIONS AND COLOR OF WHEAT GRAINS macgran_ij:一种分析小麦籽粒尺寸和颜色的有效方法

IF 0.3 4区农林科学

Agrociencia Pub Date : 2023-03-15 DOI: 10.47163/agrociencia.v57i2.2718

C. P. Sauceda-Acosta, V. A. González-Hernández, H. Villaseñor-Mir, G. Lugo-García, L. Partida-Ruvalcaba

{"title":"MACGRAN-IJ: AN EFFICIENT METHOD TO ANALYZE DIMENSIONS AND COLOR OF WHEAT GRAINS","authors":"C. P. Sauceda-Acosta, V. A. González-Hernández, H. Villaseñor-Mir, G. Lugo-García, L. Partida-Ruvalcaba","doi":"10.47163/agrociencia.v57i2.2718","DOIUrl":"https://doi.org/10.47163/agrociencia.v57i2.2718","url":null,"abstract":"The dimensions, shape, and color of wheat grain are important in plant breeding, although their manual measurement is difficult and time-consuming. While it is true that digital image analysis (DIA) with specific software has made it easier, some are semiautomatic, exclude color, and require the digitization of individual grains. The goal of this study was to compare the precision, accuracy, and efficiency of MacGran-IJ versus SmartGrain, GrainScan, and manual caliper measurement. The morphological characteristics of durum wheat (Triticum durum Desf.) and bread wheat (Triticum aestivum L.) grains were measured using DIA with MacGran-IJ, including color (in RGB and CIELab color spaces), size (mm2), lateral length (LLG, mm), ventral length (VLG, mm), lateral (LWG, mm) and ventral (VWG, mm) width, perimeter (mm), and circularity. Length, LWG, and VWG were measured with a digital caliper. The time (s) taken in each method was recorded. Size, LLG, VLG, and VWG were the same between methods for both species, but the LWG measurement obtained with vernier showed differences between the three programs (p ≤ 0.01), as well as low accuracy and precision. VWG obtained manually had R2 values of 0.92, 0.91, and 0.89 (p ≤ 0.01) for MacGran-IJ, SmartGrain, and GrainScan, respectively. The ventral and lateral color red of wheat grain differed between MacGran-IJ and GrainScan; the lateral part of the bread wheat grain showed differences for red, green, and blue (p ≤ 0.05). DIA in CIELab color required 11.57 s, and in RGB it needed 7.25 s (p ≤ 0.01). Manual measurement of 50 wheat grains required 1528.07 s, whereas SmartGrain took 101.84 s, MacGran-IJ 45.4 s, and GrainScan 54.11 s (H = 36.59, p ≤ 0.01). MacGran-IJ is an automated, simple, and efficient method for accurately measuring the size, length, and width of wheat grains using digitized images","PeriodicalId":50836,"journal":{"name":"Agrociencia","volume":"24 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86688630","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

DETERMINANTS OF AGRICULTURAL INNOVATION AMONG SMALL FARMERS IN MEXICO. AN ECONOMETRIC APPLICATION OF THE TOBIT MODEL 墨西哥小农农业创新的决定因素。tobit模型的计量经济学应用

IF 0.3 4区农林科学

Agrociencia Pub Date : 2023-03-15 DOI: 10.47163/agrociencia.v57i2.2878

Víctor Manuel Santos-Chávez, O. A. Arana-Coronado, M. A. Martínez-Damián, L. E. Garza-Bueno, J. S. Mora-Flores, V. H. Santoyo-Cortés

{"title":"DETERMINANTS OF AGRICULTURAL INNOVATION AMONG SMALL FARMERS IN MEXICO. AN ECONOMETRIC APPLICATION OF THE TOBIT MODEL","authors":"Víctor Manuel Santos-Chávez, O. A. Arana-Coronado, M. A. Martínez-Damián, L. E. Garza-Bueno, J. S. Mora-Flores, V. H. Santoyo-Cortés","doi":"10.47163/agrociencia.v57i2.2878","DOIUrl":"https://doi.org/10.47163/agrociencia.v57i2.2878","url":null,"abstract":"Understanding agricultural innovation is crucial as it involves establishing conditions for productivity growth in the agrifood sector through strategies and public policies that improve farmers’ production, profitability, and management practices. The objective of this article was to measure agricultural innovation among small farmers and to identify the factors that determine it. A Tobit-type econometric model was used to identify the characteristics of the producers, the economic and productive profile of the farms, and the size of the extension groups, all of which influence innovation. Information on rural extension policy beneficiaries in Mexico for the period 2014-2017 was integrated. The statistical population was 2976 farmers. The findings reveal that higher education levels and a younger age of producers had a positive effect; producers with small farms were more likely to adopt technological practices. On the other hand, factors negatively affecting innovation were higher on-farm and off-farm incomes. The article concludes with public policy recommendations to promote agricultural innovation in Mexico.\u0000 ","PeriodicalId":50836,"journal":{"name":"Agrociencia","volume":"2 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86988613","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

PROBABILITY OF MORTALITY IN CASUARINA TWO YEARS AFTER THE FIRE AT THE PIEDMONT OF THE TLALOC VOLCANO, STATE OF MEXICO, 2017 2017年，墨西哥法拉克火山山前大火两年后木麻黄的死亡率

IF 0.3 4区农林科学

Agrociencia Pub Date : 2023-02-27 DOI: 10.47163/agrociencia.v57i1.2814

María Magdalena Hernández-Rosas, Ana Laura Hernández-Leyva, D. Rodríguez-Trejo

{"title":"PROBABILITY OF MORTALITY IN CASUARINA TWO YEARS AFTER THE FIRE AT THE PIEDMONT OF THE TLALOC VOLCANO, STATE OF MEXICO, 2017","authors":"María Magdalena Hernández-Rosas, Ana Laura Hernández-Leyva, D. Rodríguez-Trejo","doi":"10.47163/agrociencia.v57i1.2814","DOIUrl":"https://doi.org/10.47163/agrociencia.v57i1.2814","url":null,"abstract":"In 2017, at the foot of the Tlaloc volcano, occurred the largest forest fire in the State of Mexico (2500 ha), with surface and crown (canopy) phases, on plantations of various species and various types of vegetation. Studies on the effects of fires on trees serve to define mortality and whether or not restoration will be required in an affected area. The hypothesis was: the greater the intensity and severity of the fire and the smaller the size of the trees, the greater the probability of mortality. The objective of the study was to establish the fire severity and dasometric variables that influence the probability of both mortality and resprouting in Casuarina equisetifolia L. plantations affected by fire. The study was conducted at the Experimental Forestry Station “Las Cruces” (Universidad Autónoma Chapingo, State of Mexico). In 2019, 442 trees (15 sites of 100 m2) were sampled in 50 ha of plantations affected by the fire. Records were made on whether the trees were alive or dead, normal diameter, bark thickness, height, height at the base of the original crown, height of the fire scar on the trunk, height of crown scorch and presence of resprouting. The statistical analysis consisted of logistic regressions, using the Proc Logistic procedure of the SAS program. The average tree mortality was 63 %. The variable that was directly related (p ≤ 0.05) to the probability of mortality was the height of the scar above the trunk. The dasometric variables inversely related (p ≤ 0.05) with the probability of mortality were: height, normal diameter and bark thickness. For resprouting probability, there was an inverse relationship (p ≤ 0.05) with normal diameter, bark thickness and height of scar on the trunk. It is concluded that casuarina is a fire sensitive species.","PeriodicalId":50836,"journal":{"name":"Agrociencia","volume":"54 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74761606","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

PREBIOTIC, Bacillus subtilis AND POTASSIUM PHOSPHITE ON ANTHRACNOSIS SEVERITY AND POST HARVEST QUALITY IN ‘MÉNDEZ’ AVOCADO 益生元、枯草芽孢杆菌和亚磷酸钾对MÉNDEZ鳄梨炭疽病严重程度和采后品质的影响

IF 0.3 4区农林科学

Agrociencia Pub Date : 2023-02-27 DOI: 10.47163/agrociencia.v57i1.2342

Elizeth Vizcaíno-Ríos, Alfredo López-Jiménez, D. Teliz-Ortiz, C. Saucedo-Veloz

{"title":"PREBIOTIC, Bacillus subtilis AND POTASSIUM PHOSPHITE ON ANTHRACNOSIS SEVERITY AND POST HARVEST QUALITY IN ‘MÉNDEZ’ AVOCADO","authors":"Elizeth Vizcaíno-Ríos, Alfredo López-Jiménez, D. Teliz-Ortiz, C. Saucedo-Veloz","doi":"10.47163/agrociencia.v57i1.2342","DOIUrl":"https://doi.org/10.47163/agrociencia.v57i1.2342","url":null,"abstract":"Several factors affect the quality and safety of avocado (Persea americana Mill.) fruit during the production process, such as the agronomic management and climate. The objective of this research was to evaluate how foliar treatments affected postharvest control of anthracnose (Colletotrichum spp.) in two ‘Méndez’ avocado growing areas, Ziracuaretiro (ZI) and Salvador Escalante (SE), Michoacán, Mexico. Foliar sprays were used in the following treatments: 1) conventional management (CM) based on the technician’s experience; 2) integrated management (IM) including Bacillus subtilis, a prebiotic (BioKakimu®), and potassium phosphite; and 3) absolute control without foliar sprays. The effects of the treatments were evaluated on fruit harvested at physiological maturity while taking into account the severity of post-harvest anthracnose and fruit quality up to consumption maturity. During the evaluation period, disease damage was less than 10 % of the fruit surface in all three treatments. However, IM treatment delayed maturation time by 12.4 days in ZI and 10.6 days in SE. Fruits of the IM treatment lost less weight in ZI (7.6 %) than in SE (8.48 %) at eating maturity. Fruit firmness in ZI was higher in the IM and control treatments, while there were no differences in SE. The fruits in ZI and SE showed a decreasing color index profile for the three treatments. It is concluded that the phytopathogenic fungus in ‘Méndez’ was not exposed to weather conditions favorable for its development for an extended period of time, given that the first anthracnose alerts were emitted when the fruits were harvested. The crop management method did not result in an increase in the nutrient concentration of the fruit mesocarp.","PeriodicalId":50836,"journal":{"name":"Agrociencia","volume":"33 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88126668","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

EFFECT OF PROMOTING COMPOUNDS OF INDIRECT SOMATIC EMBRYOGENESIS IN THREE Agave SPECIES 促进三种龙舌兰间接体细胞胚胎发生的化合物的作用

IF 0.3 4区农林科学

Agrociencia Pub Date : 2023-02-22 DOI: 10.47163/agrociencia.v57i1.2858

Monserrat Hernández-Solís, A. Arzate-Fernández, S. Martínez-Martínez, Laura Acosta-Villagrán

{"title":"EFFECT OF PROMOTING COMPOUNDS OF INDIRECT SOMATIC EMBRYOGENESIS IN THREE Agave SPECIES","authors":"Monserrat Hernández-Solís, A. Arzate-Fernández, S. Martínez-Martínez, Laura Acosta-Villagrán","doi":"10.47163/agrociencia.v57i1.2858","DOIUrl":"https://doi.org/10.47163/agrociencia.v57i1.2858","url":null,"abstract":"The Agave genus is one of the largest and most widely used in Mexico, mainly for the production of alcoholic beverages. The species in this genus are characterized by their long-life cycles and limited sexual reproduction, which endangers them and demands the search for an alternative that allows mass multiplication and preservation of these species. Somatic embryogenesis (ES) is emerging as a solution to solve this problem, although it is a complex process that depends on a large number of factors and the development of species-specific protocols. Osmotic stress is one of these factors, a condition that can promote the formation and maturation of somatic embryos through the application of compounds such as polyethylene glycol (PEG) or abscisic acid (ABA). So far, no studies have been reported on the effect of osmotic stress on somatic embryogenesis in Agave species. In this work we evaluated its effect on the expression and maturation of somatic embryos in Agave angustifolia, A. cupreata and A. salmiana. Its formation was determined using two concentrations of ABA (3 and 9 mg L-1) and two concentrations of PEG (50 and 70 g L-1) in callus obtained from embryonic zygotic axes. Treatments with 9 mg L-1 ABA and 50 g L-1 PEG favored the formation of somatic embryos in the three species evaluated, in addition to the treatment with 70 g L-1 PEG, with which A. angustifolia was obtained. Somatic embryo formation was asynchronous, especially for A. cupreata. Seedling regeneration from somatic embryos was achieved in A. angustifolia, A. cupreata and A. salmiana.","PeriodicalId":50836,"journal":{"name":"Agrociencia","volume":"38 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72837941","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

REDUCTION OF CYANIDE CONTENT IN PHYLOSTACHIS AUREA BAMBOO SHOOTS: OPTIMIZING THE PROCESSING CONDITIONS OF TEMPERATURE, HEATING TIME, AND NaCl CONCENTRATION 降低金莲竹笋中氰化物含量:优化温度、加热时间和NaCl浓度

IF 0.3 4区农林科学

Agrociencia Pub Date : 2023-02-15 DOI: 10.47163/agrociencia.v57i1.2441

Norma Abril Borja-Zamora, Mauricio Mora-Tello, Gabriel Abraham Cardoso Ugarte

引用次数: 0

Artificial neural network models for prediction of standardized precipitation index in central Mexico 墨西哥中部标准化降水指数预测的人工神经网络模型

IF 0.3 4区农林科学

Agrociencia Pub Date : 2023-02-10 DOI: 10.47163/agrociencia.v57i1.2655

R. Magallanes-Quintanar, C. Galván-Tejada, J. Galván-Tejada, S. J. Méndez-Gallegos, F. Blanco-Macías, R. Valdez-Cepeda

{"title":"Artificial neural network models for prediction of standardized precipitation index in central Mexico","authors":"R. Magallanes-Quintanar, C. Galván-Tejada, J. Galván-Tejada, S. J. Méndez-Gallegos, F. Blanco-Macías, R. Valdez-Cepeda","doi":"10.47163/agrociencia.v57i1.2655","DOIUrl":"https://doi.org/10.47163/agrociencia.v57i1.2655","url":null,"abstract":"Some of the effects of climate change may be related to a change in patterns of rainfall intensity or rainfall scarcity. So, humanity is facing environmental challenges due to an increase in the occurrence of droughts. Forecasting of droughts based on cumulative influence of rainfall could be greatly beneficial for mitigating adverse consequences on water-sensitive sectors such as agriculture. Then, predictive models of drought indices could help in assessing water scarcity situations, droughts identification and their severity characterization. In this paper, we tested the feasibility of the Artificial Neural Network as a data-driven model for predicting the monthly Standardized Precipitation Index in 4 regions (Semi-desert, Highlands, Canyons and Mountains) of north-central México using predictive variable data from 1965 to 2004 as training data and simulated data for the period 2005-2014. The best model was found using the Hyperbolic Tangent as activation function and the Adaptive Moment Estimation (Adam) algorithm as optimization method. The best model was set to the following architecture: 26-12-1 network with 4 weights and 365 trainable parameters. Based on analysis of scatter plot between predicted and observed Standardized precipitation Index values for the test dataset, the Coefficient of Determination was between 0.84 and 0.88. In terms of quantitative statistics averaged over the test set, Artificial Network Model performed very well in predicting Standardized Precipitation Index at the four analyzed regions. This was verified by all-region average value of performance statistics Mean Absolute Error (0.0805), Mean Square Error (0.0144) and the Coefficient of Determination (0.8671). In a nutshell we summarize that the Artificial Network models developed and tested in this study had good prediction skills of the monthly Standardized Precipitation Index for stations and its drought-related properties in the study region.","PeriodicalId":50836,"journal":{"name":"Agrociencia","volume":"146 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79531276","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

PROXIMAL, THERMAL, AND STRUCTURAL CHARACTERIZATION OF STARCH EXTRACTED FROM TWO VARIETIES OF WHITE SORGHUM CULTIVATED IN MEXICO 从墨西哥栽培的两种白高粱中提取的淀粉的近端、热和结构特征

IF 0.3 4区农林科学

Agrociencia Pub Date : 2023-02-10 DOI: 10.47163/agrociencia.v57i1.2641

Jared Reyes Gallardo, Guadalupe C. Rodriguez Castillejos, Ricardo Navarro Cortez, Adriana Perales Torres, San Juana Alemán Castillo, Octelina Castillo Ruíz

{"title":"PROXIMAL, THERMAL, AND STRUCTURAL CHARACTERIZATION OF STARCH EXTRACTED FROM TWO VARIETIES OF WHITE SORGHUM CULTIVATED IN MEXICO","authors":"Jared Reyes Gallardo, Guadalupe C. Rodriguez Castillejos, Ricardo Navarro Cortez, Adriana Perales Torres, San Juana Alemán Castillo, Octelina Castillo Ruíz","doi":"10.47163/agrociencia.v57i1.2641","DOIUrl":"https://doi.org/10.47163/agrociencia.v57i1.2641","url":null,"abstract":"Sorghum (Sorghum bicolor) is a starch source that may contain tannins in red varieties, so white grains are preferred as a better alternative. The hypothesis of this study was that white sorghum starch grown in Mexico has the necessary properties for industrial use. The objective was to evaluate the chemical, thermal and structural characteristics of starch extracted from white sorghum var. Mazatlan-16, and RB-Paloma. Protein, moisture, ash, fiber, fat, water absorption rate, and swelling capacity were evaluated. Thermal properties were determined by calorimetry and viscosity analysis; structural properties by Fourier transform infrared spectroscopy and X-ray diffraction. One-way analysis of variance and Student’s t-test (p ≤ 0.05) were performed. The starch extracted from Mazatlán-16 grain contained the highest moisture (5.47 %), protein (0.72 %) and crude fiber values, and no significant differences (p ≤ 0.05) were found for ash and fat content in both starch varieties. The water absorption rate and swelling power was higher for RB-Paloma variety starch (p ≤ 0.05). Regarding thermal properties, the maximum viscosity temperature was 80.55 and 89 °C for RB-Paloma and Mazatlan-16 starch, respectively; the peak gelatinization temperature was higher for Mazatlan-16 (72.28 °C) and showed differences (p ≤0.05) with RB-Paloma. Structural analysis revealed that the starches of both varieties correspond to the A-type crystalline pattern, with the presence of OH, CH in stretching, H2O and CH2 groups. The starches extracted from the two varieties showed properties suitable for use as a viable alternative in the food industry.","PeriodicalId":50836,"journal":{"name":"Agrociencia","volume":"5 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86020641","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

DESCRIPTIVE STUDY OF THE CAPACITY OF SIX HILLSIDE SOIL MANAGEMENT SYSTEMS IN THE CONTROL OF SURFACE RUNOFF 六种山坡土壤管理系统控制地表径流能力的描述性研究

IF 0.3 4区农林科学

Agrociencia Pub Date : 2023-01-30 DOI: 10.47163/agrociencia.v57i1.2408

Rigoberto Zetina Lezama, Sergio URIBE GOMEZ, Angel CAPETILLO BURELA, Nestor FRANCISCO NICOLAS, Carmen Aridai HERNANDEZ ESTRADA, Marco Antonio Reynolds-Chávez

{"title":"DESCRIPTIVE STUDY OF THE CAPACITY OF SIX HILLSIDE SOIL MANAGEMENT SYSTEMS IN THE CONTROL OF SURFACE RUNOFF","authors":"Rigoberto Zetina Lezama, Sergio URIBE GOMEZ, Angel CAPETILLO BURELA, Nestor FRANCISCO NICOLAS, Carmen Aridai HERNANDEZ ESTRADA, Marco Antonio Reynolds-Chávez","doi":"10.47163/agrociencia.v57i1.2408","DOIUrl":"https://doi.org/10.47163/agrociencia.v57i1.2408","url":null,"abstract":"On tropical hillsides, torrential rains cause surface runoff that removes soil particles, nutrients and agro-inputs. This process limits soil fertility, agrosystem productivity and the rural economy. A descriptive study was conducted on a hillside in Los Tuxtlas, Veracruz, Mexico, to study water runoff and its runoff coefficients in four modalities of the “milpa intercropped with fruit trees” (MIAF) system, traditional and zero tillage, under rainfed conditions. The systems were established with a systematic design of treatments, without repetitions, between 2003 and 2011: 1) Milpa intercropped in chicozapote (Manilkara zapota), with sediment filter and minimum tillage (MIAF-CH-CF-LM); 2) Milpa intercropped with Persian lemon (Citrus x latifolia), with sediment filter and minimum tillage (MIAF-L-CF-LM); 3) Milpa intercropped in carambolo (Averrhoa carambola), with sediment filter and minimum tillage (MIAF-C-CF-LM); 4) Milpa intercropped in carambolo, without sediment filter and zero tillage (MIAF-C-SF-L0); 5) Zero tillage with crop residue distribution over the surface (Lo); and 6) Minimum tillage with crop residue burning and tracking (LM-QR). From August 2016 to February 2018, a 50 m2 runoff lot was installed in each system. Surface runoff was measured every 24 h; runoff sheet and runoff coefficient. The MIAF.system reduced surface runoff by 46.13 % with respect to that obtained in LM-QR. The MIAF systems with sediment filter and zero tillage without filter presented similar runoff and runoff coefficient values. The MIAF-CH-CF-LM system recorded the lowest runoff value among systems with tillage and filter. The L0 system showed the lowest volume and runoff coefficient.","PeriodicalId":50836,"journal":{"name":"Agrociencia","volume":"2 1","pages":""},"PeriodicalIF":0.3,"publicationDate":"2023-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90605934","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