Conditioners in grassland harvesting
2000
Gonda, L. | Kunsky, M. | Gaborcik, N. (Vyskumny Ustav Travnych Porastov a Horskeho Polnohospodarstva, Banska Bystrica (Slovak Republic))
After cutting the plants are "starving" and gradually drying. This period should be as short as possible and the initial water content of the swathed crop (about 800 g/g) should be reduced to 300 - 550 g/kg to prevent the nutrient losses. The paper presents the results of field and laboratory trials testing a swath conditioner integrated into a disc mower. The test results showed that the conditioner MD 5-K markedly destructed the plants and the leaf area at a range of 86.8 - 95.6% of the conditioned swath. Such a plant destruction is sufficient for the required swath drying. A statistically significant impact of the working parts of the rotor conditioner was found at the treated swath in seminatural grassland. A comparison under identical conditions showed that the swaths treated by the mechanical conditioner MD 5-K dried 3. - 3.5-times faster than those without conditioning to the hay storage humidity od 20%
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