Adubação orgânica nos atributos físicos e químicos do solo

Abstract

Due to population increase, increasing productivity and improving the quality of products obtained in agriculture is of fundamental importance. With the depletion of soil reserves, the use of mineral fertilizers was seen as an alternative to meet this growing demand. Therefore, there is an increase in the cost of production and the environment suffers from the impacts caused by this activity, so, as an alternative to the use of mineral fertilizers, there is organic fertilization. Organic fertilization can be carried out through the use of in natura animal and vegetable waste, as well as mixed waste through composting. Organic fertilizers are able to provide the nutrients needed by plants and can improve the physical attributes of the soil, such as aggregation, clay dispersed in water, density and porosity, resistance to penetration and hydraulic conductivity; and in the chemical attributes of the soil, providing nutrients, increasing CTC and pH; in addition to offering an adequate destination for waste from the production unit itself, animal or plant waste. Thus, with the use of organic fertilizers, it is possible to produce healthier, more productive plants that are resistant to the attack of pests and diseases, and thus have less use of agricultural inputs, such as fertilizers and pesticides.