MICRONUTRIENTS IN AGRICULTURE AND IN CORN AND SOYBEAN CROPS

Abstract

The present research had as its general objective a bibliographic review on micronutrients in agriculture, specifically in maize and soybean crops.
The use of micronutrients in Brazilian agriculture is quite extensive and widely discussed. In soils, micronutrients are still present in low concentrations, which affects their dynamics depending on the soil's characteristics. The issue of both micronutrient deficiencies and excesses depends on a large number of interactions with soil elements, which are influenced by the management practices adopted in the production system. Likewise, factors such as pH, moisture, organic matter content, mineral fraction, and soil biology, in addition to the plants themselves, play key roles in facilitating the availability and application of micronutrients for crops. Understanding the dynamics of micronutrients in different soil types and their behavior in various crops, as well as defining appropriate rates, sources, and strategies for micronutrient supply according to local conditions, are fundamental steps to achieving higher crop productivity and more efficient use of agricultural inputs.