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Práticas e percepções de agricultoras e agricultores sobre o manejo do capim-mombaça (Megathyrsus maximus) em sistemas agroflorestais
(Universidade Federal de São Carlos, 2022-08-22)
Anchored in the practices and knowledge of traditional peoples and communities, and in the dialogue of this knowledge with science, agroecology seeks to rescue and develop production practices based on ecological principles. ...
Efeito da fertirrigação com vinhaça no desenvolvimento inicial da cana-de-açúcar, na condutividade e teor de potássio no solo
(Universidade Federal de São Carlos, 2022-12-02)
Using vinasse as a source of potassium for sugarcane is important to save the use of fertilizers and an appropriate destination for that residue of sugarcane production. Despite this, its use in periods of low potassium ...
Atributos físico-hídricos do solo em sistemas consorciados de milho com adubos verdes sob manejo orgânico
(Universidade Federal de São Carlos, 2019-05-29)
The use of plants in intercropping has the purpose of increasing the diversity of species, producing a greater amount of dry matter, greater root exploration, inducing improvements in soil physical and hydraulic attributes. ...
Adubação com torta de filtro “in natura” e compostada no desenvolvimento inicial da cana-de-açúcar (Saccharum officinarum L.)
(Universidade Federal de São Carlos, 2015-07)
The agricultural use of by-products of the agroindustry, such as filter cake, reduces the production costs of sugarcane and contributes to the mitigation of environmental impacts, since it reduces the use of mineral ...
Tolerância de porta enxertos cítricos ao alumínio em solução
(Universidade Federal de São Carlos, 2013-07)
One of the main causes of losses in agricultural productivity is due to the high concentrations of aluminum (Al) in the soil solution, characteristic of acidic weathered soils in the humid tropical zone. Al affects the ...
Adubos verdes irrigados com efluente tratado de laticínio e cultivo em sucessão da alface e beterraba em consórcio
(Universidade Federal de São Carlos, 2018-03-01)
The objective of this work is to verify the development of green manure and its
influence on the chemical characteristics of the soil and the cultivation in
succession of the lettuce (Lactuca sativa L.) consortium, and ...
Dinâmica de fósforo e nitrogênio no consórcio de milho com adubos verdes no sistema orgânico
(Universidade Federal de São Carlos, 2022-06-30)
Maize-legume intercropping is an alternative to improve N and P availability in soil/plant system. However, it is necessary to understand nutrients dynamics in soil and its uptake by plants in the intercropping system to ...
Emissão de gases de efeito estufa da mudança de uso do solo e potencial de sequestro de C-CO2 pela recuperação de pastagens degradadas para o estado do Pará, 2008 a 2019
(Universidade Federal de São Carlos, 2021-06-25)
Brazil actively contributes to the intensification of the global greenhouse effect, with deforestation being responsible for a large part of the country's atmospheric carbon emissions. It is necessary to conserve the Amazon ...
Nutrição mineral nas fases de semeadura e de individualização de “seedlings” do melhoramento genético de cana-de-açúcar
(Universidade Federal de São Carlos, 2012-07-02)
The concern and interest in ensuring the adequate nutritional supply for plant cane and ratoon cane, and even for propagation seedlings, has been quite evident. However, there is little information on the supply of nutrients ...
Cultivo consorciado de milho de segunda safra com espécies de adubo verde visando à diminuição da adubação nitrogenada de cobertura
(Universidade Federal de São Carlos, 2018-07-05)
Winter corn (second crop corn) has become the main autumn-winter crop in Brazil. In the 2016/2017 crop, the average productivity was 5,303 kg ha-1, surpassing that of the summer corn (first crop corn). With the expectations ...