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Avaliação da performance de diferentes fontes de nitrogênio na produtividade e nutrição de citros
(Universidade Federal de São Carlos, 2023-02-23)
According to the source used, nitrogen fertilization alters the dynamics of the soil and its nutrients, which may cause acidification and exposure to the loss of basic cations. Orange trees have a high demand for these ...
Sistemas de produção de sementes de milho crioulo no Sudoeste Paulista
(Universidade Federal de São Carlos, 2021-01-15)
The cultivation of corn has stood out among the activities of small producers, and its grain has been used in human and animal feeding, being one of the sources of daily energy for a large part of the population. The present ...
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 ...
Resistência de Conyza bonariensis e Conyza canadensis (Asteraceae) a herbicidas
(Universidade Federal de São Carlos, 2020-10-19)
The species Conyza bonariensis and Conyza canadensis, popularly known
like clove, are plants belonging to the Asteraceae family that have great
importance in modern agriculture due to the levels of economic damage
caused ...
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 ...