Die Bodenkultur - Volume 42 / issue 4

L. BOESE, R. JAUERT, H. MICHAEL and K. WALOSZCZYK:

Optimal First Spring Nitrogen Application for Winter Wheat and Barley in Relation to the Different Crop Situation

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H. GREMMEL:

Importance and Causes of Stress Cracks in KerneIs of Maize

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K.-U. HEYLAND and H. MERKELBACH:

Undersowing Used for Weed Suppression and Competitive Effects Between Weeds and Undersown Grass or Clover on the Yield Formation of Winter Wheat

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E. KREUZ:

Changes in the Content of Humus and Nutrients of Calciċ Chernozem in different Three-Field Crop Rotations through Cocksfood Catch Crop and Ploughless Tillage

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F. LETTNER, W. ZOLLITSCH and M. SCHAMS-SCHARGH:

Reduction of Crude Protein Content in a Rotation for Laying Hens

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A. LIEBSCHER:

Influence of Heulandit (Zeolite) Feed Supplementation on Growth and Carcasse Quality in Pig Progeny Testing

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R.- K. MA and J.- L. JIAN:

Reaktion von Sämlingen auf Wasserstreß bei verschiedenen Genotypen von Winterweizen

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H. NEURURER and A. GENEAD:

Potentiality for Soil Erosion Control and Improving Plant Production in Arid Zones

3rd Communication: Technique of Application of Soil and Evaporation Inhibitors and Investigations of the Environmental Behaviour of These Substances

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P. L. OLIVEIRA DE ALMEIDA MACHADO and M. H. Gerzabek:

The Influence of Organic Matter on Aluminium Toxicity to Maize (Zea mays L.)

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J. VOLLMANN and P. RÜCKENBAUER:

Estimation of Outcrossing Rates in Crambe (Crambe abyssinica Hochst. Ex. R. E. Fries) Using a Dominant Morphological Marker Gene

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