THE INFLUENCE OF MINIMUM TILLAGE SYSTEM ON CORN PRODUCTION DURING THE PERIOD 2014-2015 AT ARDS TURDA PUBLISHEDFelicia CHEŢAN1,2, Cornel CHEŢAN1, Alina ŞIMON1,2
Abstract. Minimum tillage systems on soil chasing the conservation and efficient use of natural resources, biological and water. By surrendering to plowghing with moldboard plow in whole or in part by streamlining periodic tillage and keep at the ground surface of at least 15-30% of all plant debris, protect soil the sheeterosion, it also eliminating at the same time the phenomenon of soil compaction. A proper crop rotation is alternating in culture plants with strong rooting with shallow rooting plants, leguminous plants have favorable effect for the successor cultures, soil nitrogen impruvement and contributing to the development of the root system. The experiment realised at ARDS Turda, is being organized by the method of the plots subdivided. The experimental factors are: The system of soil work (A): 2 graduation: a1 – conventional method with plowghing – preparation of the soil – seeding + fertilizing; a2 – minimum tillage: work with chisel. Fertilization (B): 2 graduation: b1 – fertilizing with N40P40 at the same with seeding; b2 - fertilizing with N40P40 at the same with seeding + fertilizing with N40 in 4 - 6 leaves of maize. Year factor (C) 2 graduation: c1-2014; c2 -2015. In research conducted at ARDS Turda on 2014-2015, in the cultivation of corn in the system with minimal compared to classic productions obtained system reflects the fact that maize is still a pretentious plant both climatic conditions and approach towards soil requirements.The positive influence of classical system of soil work on corn production conducted to realized a production of 5300 kg/ha (grains) comparative with minimum tillage whwrw productions registered was value 4531 kg/ha, differents is 769 kg/ha. Adittional fertilization with N40 increase production with 242 kg/ha in the classical system and 249 kg/ha in the minimum tillage. By applying minimum tillage system soil aims primarily to combat soil erosion and water retention in the soil so it is so specially important to watch the long term effect of applying them to the environment.
Key words: climatic conditions, corn, minimum tillage system, production