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Uso de índices quantitativo e qualitativo como métodos de avaliação da qualidade do solo cultivado com cana-de-açúcar
(Universidade Federal de São Carlos, 2022-09-29)
The transformation of natural systems into agricultural systems tends to cause damage to soil quality due to the forms of management used for cultivation, thus causing soil degradation and productive potential loss provided ...
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 ...
Produtividade de algodão herbáceo (Gossypium hirsutum L.) em função das adubações de plantio e foliar com fertilizante organomineral
(Universidade Federal de São Carlos, 2018-12)
The current cotton culture model in Brazil is characterized by extensive agricultural areas, especially in the Midwest region. The mega-cotton system has been criticized due to the difficulties of conducting it sustainably. ...
Fertilizantes de eficiência aprimorada: perspectivas e potencial de uso de biopolímeros como matrizes de liberação lenta ou controlada
(Universidade Federal de São Carlos, 2020-12-18)
Conventional mineral fertilizers consist of products applied in the field, which aim to provide higher yields for agricultural crops. However, the excessive use of these fertilizers in the soil causes environmental, economic, ...
Efeitos do manejo nutricional na cultura do sorgo sacarino [Sorghum bicolor (L.) Moench]
(Universidade Federal de São Carlos, 2016)
Sweet sorghum [Sorghum bicolor (L.) Moench], a Poaceae originating in Central-East Africa, has great potential for the production of bioenergy, and is also part of the energy matrix of countries such as China, United States ...
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 ...
Inibidor de urease (NBPT) e a eficiência da ureia aplicada em dose única ou parcelada na cultura do sorgo sacarino
(Universidade Federal de São Carlos, 2018-07-02)
Sweet sorghum has been considered an agricultural crop with great potential for the production of bioenergy, recommended for cultivation in sugarcane reform areas to supply raw material for the production of ethanol in the ...
Sensibilidade de variedades de milho (Zea mays) ao alumínio em solução
(Universidade Federal de São Carlos, 2011-07-04)
The influence of Al toxicity on the development of the root system and on the interference of nutrient absorption, typical of acidic soils, has been presented as one of the main causes of the low productivity of many crops ...