Effects of nitrogen fertilization on heavy metal content of corn grains
2009
Rui, Yu-kui(China Agricultural University College of Resources and Environmental Sciences) | Zhang, Fu-suo(MOA Beijing Key Laboratory of Plant Nutrition) | Shen, Jian-bo(MOE Beijing Key Laboratory of Plant-Soil Interactions)
English. Nitrogen fertilization has played a significant role in increasing crop yield, and solving problems of hunger and malnutrition worldwide. However, excessive nitrogen inputs do not significantly increase crop yields but may lead to many serious environmental problems. The effects of nitrogen fertilization rate were studied on heavy metal content of corn grains. Our results show that nitrogen fertilization management is beneficial for reducing production costs, protecting the environment, and improving the quality of farm products.
Show more [+] Less [-]Spanish; Castilian. La fertilización nitrogenada ha tenido un rol significativo en incrementar los rendimientos de los cultivos, y resolver problemas de hambre y malnutrición en todo el mundo. Sin embargo, la fertilización nitrogenada excesiva no incrementa los rendimientos de los cultivos significativamente sino que puede conducir a severos problemas ambientales. Los efectos de la tasa de fertilización nitrogenada se estudiaron en el contenido de metales pesados en granos de maíz. Nuestros resultados muestran que el manejo de la fertilización nitrogenada es benéfico para reducir los costos de producción, proteger el ambiente, y mejorar la calidad de productos agrícolas.
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