Augsnes apstrādes un augu maiņas ietekme uz lauka pupu (Faba vulgaris Moench.) sējumu nezāļainību | Effects of soil tillage and crop sequence on weediness of field beans (Faba vulgaris Moench.)
2016
Melngalvis, I., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture | Ausmane, M., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture | Ruza, A., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture | Kristapsons, K., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Agriculture
Soil tillage is one of the most power consuming and expensive processes in agricultural production. The minimum tillage practices have a significant ecological as well as agronomic impact by reducing the soil disturbance and enhancing the soil system stability. The paper presents the results of stationary field experiments carried out at the Study and Research Farm „Peterlauki” of the Latvia University of Agriculture during the period 2010–2015. Two soil primary tillage treatments were investigated: conventional ploughing, plough tillage (0.22–0.23 m), with a mouldboard plough was compared with the minimal, shallow (0.10–0.12 m) tillage, with a disc harrow. The weed control with herbicides was applied. The hypothesis states that the decreasing intensity of soil tillage has an important influence on the weed population: the number of weeds in crop may increase. The number of perennial weeds in the field beans was higher before harvesting in soils with ploughless tillage. Statistically significant differences in weed weight were not observed when ploughing was replaced with minimum tillage.
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