By Peter Schröder, J. Pfadenhauer, J. Munch

Sustainable agriculture is a key inspiration for scientists, researchers, and agricultural engineers alike. This booklet makes a speciality of the FAM- venture (FAM Munich study community on Agroecosystems) of the Nineties as a method to assessing, forecasting, and comparing alterations within the agroecosystems which are valuable for agricultural sustainability. The administration of 2 separate administration platforms: an natural and an built-in farming procedure are defined to supply an interdisciplinary process adjustments of topic fluxes in soils, alterations of hint fuel fluxes from soils, precision farming in a small scale heterogen panorama, impression of administration adjustments on wildlife, in addition to the advance of agroecosystem types, the evaluate of soil variability and the alterations in nutrient prestige are vital points of this booklet. * includes exact effects and perception of a long-time undertaking on agricultural sustainability* offers an interdisciplinary technique for accomplished realizing by way of scientists and researcher of soil, vegetation, agriculture, and setting * contains a global point of view

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1999). After planting the tubers, the ridges were interspersed with coarse, but high-porous lumps. When the potatoes broke through, ridging was performed with a roller hoe. At that moment, the residues of the cover crop mustard had already dried and began to rot; therefore, the cover was carefully chopped and incorporated into the soil, which decreased the remaining mustard biomass on the surface to 10–20%. Much higher coverage was left by the overwintering cover crop bird rape because it developed much more and heavily lignified biomass which as well was degraded not before April.

When the mixture was sown under sunflowers, the forage population developed weaker than under rye due to more shading and the later harvest of the sunflowers. No problems were recorded with the sunflowers. The forage crop could not be used in the sowing year because of the sunflower stalks; they had to be mulched in autumn or winter. Then the undersown crop used to grow better than in case of resowing in spring, when especially lucerne reached maturity rather late. When three cuts per year were taken on average, 79–131 dt DM haϪ1 were harvested (mean level: 99 dt DM haϪ1) (Table 2).

Becker, Kleine). Soil preparation and sowing technique were aimed at reaching Ͼ50% soil coverage. The frosted mustard plants formed the upper layer, below which residues of the wheat straw from the preceding year were present. The target could not be reached in all years because the mustard plants had not always reached the required length in autumn. Sowing was performed at a soil temperature of Ͼ8ЊC in a depth of 5 cm, in moist soil rather shallow, in dry soil 4–5 cm deep. J. Reents et al. and phytophagic pests).

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