The citriculture occupation and the accelerated erosion of soil in citrus orchards were avaliated by the utilization of the photointerpretation technics. The study area represents a citriculture zone of Ribeirão Preto ...

It was developed an experimental at Faculdade de Ciências Agronômicas of UNESP, with the objective of evaluating the effects of differents irrigation levels in the cultivation potato, cultivar aracy. It was used sets at ...

A software to evaluate the performance of tractors with tillage implements, such as disk plows, duty disk and chisel plow was elaborated. The work parameters, the soil caracterization and the selection of the farm machinery ...

The knowledge of the transient levels which can strike equipments of Rural Distribution Lines is very important to the development of protection devices. To do so, this work fitted physical parameters relevant to the ...

Field study was conducted in peanut (Arachis hypogaea L.), cultivar PI 165-317, to evaluate changes in physiological processes and yield in response to different levels of soil water and nitrogen. There was no significantly ...

This research has realized an climatological analysis of eolic potential in the region of Cascavel - PR, through the monthly determination, seasonal and yearly of the characteristic of the wind speed of the offered eolic ...

An experiment was conducted at the Irrigation Laboratory of ESALQ/USP, Piracicaba, SP, in order to evaluate the water distribution pattern in 17 models of medium pressure rotative sprinklers.Two pressure levels were ...

An analysis of root dry weight distribution showed that drip irrigated grapevines had greater percentage of root in soil layer of 0-20 and 20-40 cm depth, and in 20-40 and 40-60 cm distant from trunk, than microsprinkler ...

Weight power ratio data from Nebraska Tractor Tests , conducted over a period of 26 years (from 1971 through 1996), were analyzed . The analysis showed that weight power ratio decreases with the increasing of the engine ...