Simulated values of water application uniformity of stationary sprinkler systems operating with a PLONA-RL250 under different spacings are presented. Simulated values were presented in four different groups. Each group ...

The objective of this study is to show volumetric (m3 m-3) soil moisture changes using observations made by automatic sensors water content reflectometer with and without calibration for a bean crop seeded under 3 different ...

The work aimed to evaluate irrigation management systems for ‘Cleópatra” tangerine tree rootstock production. The experiment was carried on a greenhouse from March to August, 2004. The plants were grown in plastic bags ...

The objective of this work went drive a stress-strain analysis in the soil compacted by trampling of animals in system of agriculture cattle integration. In the experiment the area was divided in three pickets where ...

This study was carried out at the region of Maringá, state of Paraná (latitude of 23º27 S, longitude of 51º57 W and altitude of 542 meters), where the growth and development of the soy crop simulation ...

Traditional calculation of distribution uniformity as a basis for hydraulic design evaluation may not be appropriate for chemigation with center pivots. Recent development in site – specific crop management requires the ...

The use of saline water can cause salt accumulation in root medium, which affects several plant physiological processes, mineral nutrition, and crops growth and yield. In this work, it was evaluated the leaf Na+/K+ ...

Knowledge of the effects of air entrainment in hydraulic structures is a matter that involves many science areas and is of a great relevance to the formulation of design and operational criteria of engineering works. As ...

The aim of this work is to verify the pollution potentiality for nitrate in meadow areas cultivated with corn with different rates of nitrogen in the urea form. The experiment was conduct in a meadow belonging to ESALQ/USP, ...

The objective of this work went verify the alterations in the soil resistance in areas compacted by the trampling of animals in system of integration agriculture cattle. In the experiment the area was divided in three ...