Given the repetitiveness with which satellite images are acquired, it is possible to recognize changes in the landscape of a region in a given period of time by analyzing the extent and type of changes in use. The objective ...

The culture of castor bean is presented as a promising alternative for producers of semiarid northeast, mainly due to its characteristics such as climate adaptation and chemicals present in the seeds of paramount importance ...

The present study had as main objective the evaluation of areas potentially irrigable, as well as, the enquadramento of the lands in classes of use capacity, with base in the methodology developed by Ramalho et al. (1978) ...

We evaluated the influence of irrigation with treated sewage effluent and fertilizer with castor meal on growth of Jatropha plants. For this we conducted the experiment in drainage lysimeters arranged outdoors in Research ...

The need for application of water to meet the water requirement of plants, requires methods and appropriate irrigation systems and can be economically low cost and simple handling to automated and high economic investment. ...