Limitation of productivity by boron deficiency in soybean, corn, beans and coffee crops
DOI:
https://doi.org/10.17648/sas.v2i1.100Keywords:
Leaching, Sources, Soil textureAbstract
Boron is one of the micronutrients that most limits crop productivity under Brazilian soil conditions. This element participates in functions linked to the rooting of plants until the filling of grains, generating high responsiveness of crops in soils with medium and low levels. The main factors that contribute to the low levels of boron in the soil are the leaching that the nutrient can suffer, low pH value of the soil, low levels of organic matter and the replacement of micronutrient throughout the crops. Management decision-making aimed mainly at the supply of organic matter in the system has a positive impact on soil boron levels, in addition to improvements in the chemical, physical and biological parameters of the soil. There are several sources of boron on the market for use in agriculture and each source has different behaviors, for the form of application, losses by leaching and solubility, differing the response for different types of soil and culture. This work aims to gather information on the strategies for the nutritional management with boron, to choose more suitable sources for plant nutrition, to
quantify leachate losses according to the source used and, mainly, to provide subsidies for improvements in the management with boron for the crops of soybean, corn, beans and coffee.
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