INFLUENCE OF TILLAGE SYSTEMS ON SELECTED SOIL CHARACTERISTICS AND YIELD OF SPRING CEREALS
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Abstract
Climate change necessitates a revised approach to crop cultivation technologies, prioritizing enhanced agricultural practices for soil conservation, water retention, and high-quality yields. To evaluate the influence of different soil tillage systems on yield and yield quality in spring cereals, a field experiment was conducted at the Agricultural Research and Development Station (ARDS) Turda. The experiment followed a split-plot design with two replications, within a 3-year rotation (soybean–spring cereals–maize). Three spring cereal species (wheat, two oat varieties, and barley) were tested under four tillage systems (plowing, chiseling, disking, and direct sowing) on Phaeozem soil with a clay-clay texture. The hectoliter weight (TW), thousand kernel weight (TKW), and grain protein content are influenced to some degree by the tillage system. The highest soil compaction levels were observed in the NT system, while the lowest were recorded in the CS system. High temperatures and drought led to notable soil moisture decreases in June and July, especially in the minimum tillage with disking (MTD) and NT systems. Tillage with plow and chisel resulted in lower bulk density values. Yields in the unconventional systems (minimum tillage with chisel (MTC) and MTD) were comparable to those in the conventional system (CS), indicating their viability as alternatives to traditional plowing. A yield reduction was noted in the no-tillage system.
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