2022
DOI: 10.35196/rfm.2022.4.437
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Uso Eficiente De Nitrógeno en Aplicaciones Fraccionadas De Fertilizante Marcado Con 15n en Trigo

Abstract: La eficiencia del uso del nitrógeno (EUN) por los cultivos agrícolas es muy baja por pérdidas asociadas con su alta solubilidad y, en algunas condiciones de suelo, por alta volatilidad, lo que trae como consecuencia impactos negativos en la rentabilidad económica y la contaminación del medio ambiente. Se realizó un experimento de campo bajo riego en suelo del Bajío en Guanajuato, México para estudiar la eficiencia de asimilación del fertilizante nitrogenado por el cultivo de trigo (Triticum aestivum L.) median… Show more

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“…In this sense, it is important to coordinate wheat stages of high nitrogen demand with the applications of N (amount, ratio, and type of N fertilizer), as well as sustainable alternatives (e. g. bacterial inoculants) according to the requirements of N during the growth period. Also, adequate fractionation of N fertilization is necessary to improve N assimilation rates and grain quality ( González-Figueroa et al, 2022 ). For example, at post-anthesis carbohydrates produced by photosynthesis contributes 60–90 % to the final single-spike yield; on the other hand, flag-leaf photosynthesis contributes 30–50 % of grain-filling assimilation in wheat ( DING et al, 2022 ).…”
Section: Resultsmentioning
confidence: 99%
“…In this sense, it is important to coordinate wheat stages of high nitrogen demand with the applications of N (amount, ratio, and type of N fertilizer), as well as sustainable alternatives (e. g. bacterial inoculants) according to the requirements of N during the growth period. Also, adequate fractionation of N fertilization is necessary to improve N assimilation rates and grain quality ( González-Figueroa et al, 2022 ). For example, at post-anthesis carbohydrates produced by photosynthesis contributes 60–90 % to the final single-spike yield; on the other hand, flag-leaf photosynthesis contributes 30–50 % of grain-filling assimilation in wheat ( DING et al, 2022 ).…”
Section: Resultsmentioning
confidence: 99%