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Gene action and heritability in bi-parental crosses of sunflower

Abstract: A field experiment was conducted in the contrasting locations of Kafr-El-Hamam/Sharkia and Al-Arish/North Sinai agricultural research stations of the Agricultural Research Center in Egypt. We estimated the additive and dominance genetic variances as well as h

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Sowing date and maize response to the splitting of nitrogen side-dressing fertilization

Abstract: The splitting of nitrogen side-dressing fertilization with the application of a nitrogen dose at maize tasseling may increase grain yield, mainly when the crop is sown at the most favorable date to achieve high productivity. This research was carried out to e

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Antioxidant compounds in diploid potato: Effect of the foliar application of magnesium and manganese

Abstract: The potato is a good source of compounds with high antioxidant activity such as phenolic acids, anthocyanins, and carotenoids. These contents can be affected by agronomic practices such as fertilization. This research evaluated the effect of foliar fertilizat

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Leaf area, chlorophyll content, and root dry mass in oil palms (Elaeis guineensis Jacq.) affected by the plumero disorder

Abstract: The plumero disorder in oil palm is characterized by an abnormality in the development of the leaf area, yellowing of young leaves, and longitudinal chlorotic strips parallel to the central rib. In this research, the leaf area of leaf 17, the specific leaf ar

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Narrow and twin-row plantings do not increase maize yield

Abstract: Reducing row space and sowing in twin rows of maize (Zea mays L.) allow more equidistant plant distribution at the same density. The objective of this research was to evaluate the effect of these two management practices on the nitrogen content of the index l

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Efficacy of imazapic/imazapyr and other herbicides in mixtures for the control of Digitaria insularis prior to soybean sowing

Abstract: Herbicide mixtures, use of multiple sites of action, and other weed management practices are necessary to avoid cases of biotype resistance. The aim of this study was to evaluate the efficiency of imazapic/imazapyr and other herbicides in mixtures to control

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Relationship between chemical fertilization in sorghum and Melanaphis sacchari/sorghi (Hemiptera: Aphididae) populations

Abstract: The aphid Melanaphis sacchari/sorghi is considered the most important pest of sorghum cultivation in Mexico. It can cause losses in production of up to 100%. This research was conducted at the Universidad Autonoma Chapingo during 2018 and 2019 with the object

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Impact of biochar use on agricultural production and climate change. A review

Abstract: Biochar is a solid material obtained from the thermal decomposition of biomass of diverse biological origins through a process called pyrolysis. Biochar has great potential for reducing greenhouse gas emissions, sequester carbon in the soil, rehabilitate degr

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A comparison of two open-source crop simulation models for a potato crop
Diego Quintero Eliécer Díaz

Abstract: An open-source model is a model that makes it possible to modify the source code. This tool can be a great advantage for the user since it allows changing or modifying some of the background theory of the model. World Food Studies (WOFOST) and AquaCropOS open

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Influence of some environmental factors on the feijoa (Acca sellowiana Berg Burret): A review
Gerhard Fischer Alfonso Parra-Coronado

Abstract: Climatic alterations affect the physiology, growth and production of the feijoa, a native plant to the higher zone between Brazil, Uruguay, Paraguay and Argentina. In Colombia, optimal growth temperatures are between 13 and 21°C (16°C). Very high temperatures

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Study of the effects of glyphosate application on Collembola populations under controlled conditions

Abstract: Glyphosate is the most widely used herbicide worldwide. However, the effects of this molecule on non-target populations are still a subject of study. The objective of this research was to determine the effect of the application of different glyphosate doses o

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Resource-use efficiency in maize production: the case of smallholder farmers in Ghana

Abstract: This study aimed to evaluate the efficiency with which smallholder maize farmers use their input resources such as land, labor, capital, fertilizers, herbicides, pesticides, and improved seed in maize production. The study used the multi-stage sampling techni

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Technical and economic assessment of two harvesting tools for young Elaeis oleifera x E. guineensis oil palms

Abstract: The harvest of oil palm fruit bunches represents 25% of the total cost of production of one metric ton of fresh fruit bunches (FFB), and nine-tenths of the costs of this process (i.e., harvest) are labor costs. This study was undertaken to analyze and compare

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Ginkgo biloba L. mini-cuttings: indole butyric acid, substrates, and biochemical composition of the mother plants

Abstract: The objective of this study was to evaluate the viability of the Ginkgo biloba mini-cutting technique, as well as the influence of substrates and different concentrations of indole butyric acid (IBA) on adventitious rooting in addition to the protein and suga

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Optimization of the extraction of antioxidant compounds from quinoa (Chenopodium quinoa Willd.)

Abstract: Argentina contains a great biodiversity of natural foods such as quinoa that can be included in the human diet because of their nutritional characteristics and content of bioactive compounds. Among other properties, these bioactive have an antioxidant capacit

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