Literaturrecherche

Literatur Wang S, Wang Y, Schnug E, Haneklaus S, Fleckenstein J (2002) Effects of nitrogen and sulphur fertilization on oats yield, quality and digestibility and nitrogen and sulphur metabolism of sheep in the Inner Mongolia Steppes of China. Nutr Cycl Agroecosyst 62(2):195-202

Literatur Clemens J, Ahlgrimm H-J (2001) Greenhouse gases from animal husbandry : mitigation options. Nutr Cycl Agroecosyst 60(1-3):287-200