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Kaul, H.-P.
- Soil Chemical Properties as Affected by Tillage and Crop Rotation in a Long-Term Field Experiment
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Authors
Affiliations
1 BOKU University of Natural Resources and Life Sciences, Department of Crop Sciences, Division of Agronomy, Konrad Lorenz Str. 24, 3430 Tulln, AT
2 Division of Agronomy, Department of Crop Sciences, BOKU University of Natural Resources and Life Sciences, Vienna, Tulln, AT
3 Experimental Farm, Department of Crop Sciences, BOKU University of Natural Resources and Life Sciences, Vienna, Gross-Enzersdorf, AT
1 BOKU University of Natural Resources and Life Sciences, Department of Crop Sciences, Division of Agronomy, Konrad Lorenz Str. 24, 3430 Tulln, AT
2 Division of Agronomy, Department of Crop Sciences, BOKU University of Natural Resources and Life Sciences, Vienna, Tulln, AT
3 Experimental Farm, Department of Crop Sciences, BOKU University of Natural Resources and Life Sciences, Vienna, Gross-Enzersdorf, AT
Source
Plant, Soil and Environment, Vol 60, No 2 (2014), Pagination: 57–62Abstract
Long-term field experiments are important for explaining tillage and rotation effects on soil fertility and to develop sustainable nutrient management strategies. An experiment was established in 1996 in Raasdorf (Austria) on chernozem with four tillage treatments (mouldboard ploughing (MP); no-till; deep conservation tillage and shallow conservation tillage) and two crop rotations. Soil samples were taken in November 2003 from 10 cm soil layers down to 40 cm to assess the effects on pH, carbonate content (CaCO3), soil organic carbon (SOC), total nitrogen (Nt), potentially mineralizable N (PMN) and plant-available phosphorus (P) and potassium (K). Soil pH and CaCO3 were not affected by soil tillage. SOC, Nt, PMN, P and K increased in the uppermost soil layer with reduced tillage intensity. SOC, Nt, P and K were more evenly distributed in MP whereas a generally higher decline downwards the soil profile was observed with lower tillage intensity. Lower tillage intensity resulted in a decrease of P and K in 30-40 cm. Rotation affected pH and K distribution in the soil whereas the other parameters were not affected.Keywords
pH, Carbonate, Soil Organic Carbon, Nitrogen, Phosphorus, Potassium.Full Text
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- Winter Wheat Yields in a Long-Term Tillage Experiment Under Pannonian Climate Conditions
Abstract Views :222 |
PDF Views:80
Authors
Affiliations
1 Division of Agronomy, Department of Crop Sciences, BOKU University of Natural Resources and Life Sciences, Vienna, Tulln, AT
2 Experimental Farm, Department of Crop Sciences, BOKU University of Natural Resources and Life Sciences, Vienna, Groß -Enzersdorf, AT
1 Division of Agronomy, Department of Crop Sciences, BOKU University of Natural Resources and Life Sciences, Vienna, Tulln, AT
2 Experimental Farm, Department of Crop Sciences, BOKU University of Natural Resources and Life Sciences, Vienna, Groß -Enzersdorf, AT
Source
Plant, Soil and Environment, Vol 61, No 4 (2015), Pagination: 145-150Abstract
Long-term field experiments are important for assessing the yield response of crops to different tillage systems and pre-crops. An experiment was established in 1996 in Raasdorf (Austria) on a chernozem with four tillage treatments (mouldboard ploughing (MP), no-till (NT), deep conservation tillage and shallow conservation tillage) and two crop rotations. Winter wheat yields were generally at similar levels with all four tillage systems in most years between 1998 and 2012. Yields increased with higher amounts of rainfall during the vegetation period (from October until June) with the smallest increase among tillage treatments in NT. This indicates that MP can be superior to NT regarding yield at higher amounts of rainfall. Pre-crops considerably influenced winter wheat with higher yields after maize, soybean and winter wheat than after sugar beet. In one year with high rainfall, a tillage × pre-crop interaction showed that yields were lower after maize in NT than in other tillage systems whereas yields after sugar beet tended to be higher with NT in years with low rainfall.Keywords
Triticum aestivum L., Soil Tillage, Pre-Crop, Drought.Full Text