Different sensor systems for the application of variable rate technology in permanent crops
; Faculty of Agriculture, Vladimira Preloga 1, 31000 Osijek, Croatia
Mladen Jurišić orcid.org/0000-0002-8105-6983 ; Faculty of Agriculture, Vladimira Preloga 1, 31000 Osijek, Croatia
Vjekoslav Tadić orcid.org/0000-0002-2307-9255 ; Faculty of Agriculture, Vladimira Preloga 1, 31000 Osijek, Croatia
Ivan Plaščak orcid.org/0000-0001-8700-4773 ; Faculty of Agriculture, Vladimira Preloga 1, 31000 Osijek, Croatia
Željko Barač orcid.org/0000-0002-1554-2609 ; Faculty of Agriculture, Vladimira Preloga 1, 31000 Osijek, Croatia
The paper presents a review of different sensory systems for trees’ characterization and detection in permanent crops and the detection of plant health status in crop conditions for the purpose of applying the variable application rate. The use of new technologies enables the use of variable inputs in production with the aim of increasing the economic profit and reducing the negative impact on the environment. World trends increasingly emphasize the use of various sensor systems to achieve precision agriculture and apply the following: ultrasonic sensors for the detection of permanent crops; LIDAR (optical) sensors for treetop detection and characterization; infrared sensors with similar characteristics of optical sensors, but with very low cost prices and N - sensors for variable nitric fertilization. The daily development of sensor systems applied in agricultural production improves the performance and quality of the machines they are installed on. With a more intensive use of sensors in agricultural mechanization, their price becomes more acceptable for widespread use by achieving high quality work with respect to the ecological principles of sustainable production.
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