PRINT ISSN 2285-5718, CD-ROM ISSN 2285-5726, ISSN ONLINE 2286-0126, ISSN-L 2285-5718

The influence of tillage system and pre-emerging plant on economic efficiency and production at wheat cultures in the Somes Plateau

Published in AgroLife Scientific Journal, Volume 3, Number 2
Written by Adrian Ioan POP, Teodor RUSU, Ileana BOGDAN, Doru Ioan MARIN, Paula MORARU, Bogdan Matei DUDA, Camelia Liliana COSTE

Analysis of economic efficiency of wheat crop depending on the tillage system highlights the influence of tillage, in terms of primary production, costs of production and the rate of profit. Economic efficiency indicators reveal wheat crop profits of 289-290 lei/ha recorded in versions made with paraplow and rotary harrow. In the case of conservative soil tillage at wheat crop that came after wheat, we recommed using tillage systems with paraplow and rotary harrow, systems that achieved the highest rate of profit with values between 14.94 and 14.96%. Economic efficiency of wheat crop grown after soybeans is much higher than wheat grown after wheat. So if the average profit is 274 lei/ha, for wheat after wheat version, in the one with prior soybean rotation, average profit reached 356 lei/ha. Significantly, in the case of wheat after soybean cultivation, the maximum profit is obtained when the soil was worked with rotary harrow or paraplow. Based on economic efficiency regardless of previous plant for wheat crop we can use unconventional soil tillage systems with paraplow and rotary harrow, so the chisel usage remains an alternative in case the first two mentioned systems can not be used. The wheat production in experiences was influenced by the tillage system and preceding plant. When the wheat followed soybean in rotation, yields exceeded 4000 kg/ ha, with values ranging from 4663-4800 kg/ha. Production levels due to the previous plant (soybeans) without tilling was able to lead to differences statistically ensured compared to the witness variant. We also notice that the predecessor soybean recorded higher yields compared to the classic variant in the plots where the soil was worked with paraplow (a3) and rotary rotary harrow (a4).

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