DOCUMENTARY RESERACHES UPON THE TECHNOLOGIES AND MACHINES FOR PLANT PROTECTION IN CORRELATION WITH THE ECOLOGICAL STRESS (I)

The present paper (divided in two parts) is dedicated to the environmental protection in the chemical treatments in agriculture. Actually environment protection has a major importance at the society level considering the impact of the economical activities that took place in the ambient space in which we live. An analysis upon the environment protection starts with the equation: Ecological stress= K x economical development (k - proportionality factor). According to this equation we can conclude that the avoiding of the ecological stress lead to the development of less polluting technologies for plant protection and pesticides spreading.