Planet Earth seen from outer space, as shown by numerous satellites photographs, reveals an impressive beauty. What is the cause of such beauty? Surely it is water. Throughout the centuries, the complexity of the multiple ...

In spite of your social and economical importance, the farming of rice has been a lot sought, mainly on the environmental impact caused in the resources hydrics. However this problem, doesn't give to classify it as big or ...

The recommendations of fertilization have as main purpose to facilitate and aid the decisions about application of fertilizers necessary to obtain yields of maximum economic efficiency. Pointing out the importance of the ...

The renewed interest in energy for biomass is supported by the need for different energy sources and the need to protect the environment. Recently, because of increases in crude oil prices, limited resources of fossil oil ...

The study was developed in the farm Anna, located in the municipal district of Não-me-Toque RS, in the period included among the crops of 2002/03 and 2005/06. In the precision farming worked areas were generated yield ...

Wheat is the main winter crop in Rio Grande do Sul State. Temperature and photoperiod are the major environmental factors that control development in wheat. Wheat plants exposed to cold, non freezing temperatures induce ...

Common bean is produced in the entire territory of Brazil and it is the staple food of many Brazilians. In spite of being cultivated in a variety of meteorological conditions, common bean is a plant sensitive to environmental ...

The water is the most important factor and, at the same time, the more limitant than the plant needs for its development. Short periods of hidric stress can reduce crop productivity. In this way, the importance of knowing ...

The objective of this work was to modeling runoff in soils with different physical characteristics, with three simulated rainfall intensities (30, 60 and 120 mm h-1) in Rio Grande do Sul and Uruguay. For simulated rainfall ...

Though heavily criticized, the Kyoto Protocol has stood out as the key political tool in addressing climate change. However the only of its instruments (IET, JI, CDM) that allows industrialized and developing countries to ...