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Computer assisted Koeppen climate classification: a case study for Brazil
Koeppen's climate classification, developed one century ago, is still used as a reference for large-scale climate mapping and useful for climatologic research (climate shift, climate model testing,Expand
Validation of a root water uptake model to estimate transpiration constraints
Experimental results obtained from a greenhouse trial with common bean (Phaseolus vulgaris L.) plants performed to test model hypotheses regarding the onset of limiting hydraulic conditions and theExpand
Potato Response to Polyhalite as a Potassium Source Fertilizer in Brazil: Yield and Quality
Polyhalite (PH) is a hydrated sulfate evaporite mineral containing potassium, calcium, magnesium, and sulfur, nutrients all required in significant quantities by crops, but has limited evaluation asExpand
Alternative Analytical Expressions for the General van Genuchten-Mualem and van Genuchten-Burdine Hydraulic Conductivity Models
The van Genuchten expressions for the unsaturated soil hydraulic properti es, fi rst published in 1980, are used frequently in various vadose zone fl ow and transport applicati ons assuming a specifiExpand
Foliar and Seed Application of Amino Acids Affects the Antioxidant Metabolism of the Soybean Crop
In recent years, the application of natural substances on crops has been intensified in order to increase the resistance and yield of the soybean crop. Among these products are included plantExpand
Variability of water balance components in a coffee crop in Brazil
Establishing field water balances is difficult and costly, the variability of their components being the major problem to obtain reliable results. This component variability is presented herein for aExpand
Modeling of transpiration reduction in van Genuchten-Mualem type soils
[1] We derive an analytic expression for the matric flux potential (M) for van Genuchten–Mualem (VGM) type soils which can also be written in terms of a converging infinite series. Considering theExpand
Agrometeorological models for 'Valencia' and 'Hamlin' sweet oranges to estimate the number of fruits per plant
The development of models that allow forecasting yield tendencies is important to all sectors of the citrus industry. This work evaluated the influence of meteorological variables in different phasesExpand
Physiological , phenometric and productive changes in soybean crop due to the use of kinetin 1
Soybean [Glycine max (L.) Merrill] is the most widely grown oilseed in the world, with 80 % of its production concentrated in the United States, Brazil and Argentina (USDA 2013). In Brazil, theExpand
The objective of this work was to evaluate the effect of container sizes and irrigation levels on "jatoba" (Hymenaea courbaril L.) seedlings development. The experiment was conducted in a greenhouseExpand