Results: 6

Performance of ginger crop under different irrigation depths

Biosci. j. (Online); 36 (3), 2020
In order to achieve good yields and profitability from ginger crops, the water supply must be adequate. However, there are few studies available which have evaluated the adequate water supply to this vegetable. The objective of this study was to evaluate the effect of different irrigation ...

Controlled water stress in agricultural crops in brazilian cerrado

Biosci. j. (Online); 36 (3), 2020
Considering the scenarios with reduction of water availability, the need to increase water use efficiency and crop yield, the objective of this study was to evaluate the effect of reducing the evapotranspiration of the main irrigated crops on productivity. Data from the years 2005 to 201...

Accuracy of air temperature forecasts and its use for prediction of the reference evapotranspiration

Biosci. j. (Online); 36 (1), 2020
The objective of this study was to verify the quality of the short-term forecasts made by some web sites, as well as the potential of its use in estimating reference evapotranspiration (ETo). For the period 2012-2013, every 4-days, the maximum (Tmax) and minimum (Tmin) air temperature forecas...

Evapotranspiration for irrigated agriculture using orbital satellites

Biosci. j. (Online); 35 (3), 2019
Acknowledging the importance of evapotranspiration as a mediating factor for efficient irrigation management and water balance, the objective of study is to compare the Simple Algorithm forEvapotranspiration Retrieving (SAFER) to the standard method proposed by F...

Desenvolvimento de lisímetros de pesagem na cultura do café

Biosci. j. (Online); 29 (6), 2013
O conhecimento das necessidades hídricas do cafeeiro é fator preponderante para o uso racional da irrigação. Diante disso, objetivou-se com esse trabalho desenvolver lisímetros de pesagem para a cultura do café por meio de sua construção, montagem, automação e calibração. Para isso, foram con...

Rendimento do suco e qualidade química do abacaxi sob lâminas e frequências de irrigação

Biosci. j. (Online); 29 (6), 2013
A cultura do abacaxi apresenta uma demanda permanente por água, variável e dependente de seu estádio de desenvolvimento, que pode afetar a produção e a qualidade do fruto. Neste estudo objetivou-se avaliar a qualidade química dos frutos do abacaxi Smooth cayenne submetido a diferentes níveis e fre...