Aspect of using a grain sonver for precision agriculture and the application of RTK

U radu je definirana precizna poljoprivreda te su objašnjeni ciljevi i osnovni pristup. Objašnjen je princip rada GPS i GNSS sustava sa svojim prednostima i nedostatcima u sjetvi žitarica. Pojašnjen je princip rada RTK sustava, njegovi osnovi dijelovi te uporaba prilikom različitih vrsta asistencija upravljanja poljoprivrednim strojem. Analizirana je sijačica Horsch Pronto 8 DC kao primjer modernog stroja koji se može upotrebljavati sa svim ranije spomenutim sustavima. Objašnjeni su osnovni dijelovi sijačice te način njezine uporabe.The paper defines precision agriculture and explains the goals and basic approach. It explained working principle of GPS and GNSS systems with their advantages and disadvantages in grain sowing. The working principle of the RTK system, its basic parts and its use during various types of agricultural machine control assistance are explained. Horsch Pronto 8 DC seed drill was analyzed as an example of a modern seeder that can be used with all the previously mentioned systems. The basic parts of the seeder and how to use it are explained