Translations:Manfred Klett: Von der Agrartechnologie zur Landbaukunst/1124/en

• Thus the very low enzyme activities of the oxidising dehydrase and of the sucrose-cleaving saccharase in the harvested produce of wheat, potatoes, vegetables. With NPK applications these elevated themselves, as in the plants growing under shade, steeply to a level indicating immaturity.
• Similar findings in favour of manure compost dressing were shown by the silica and ash contents of cereal straw; in the grain kernels no differences in content were to be established in this regard.