Soils and soil fertility.
Soil fertility.
Soils and fertilizers : abstracts of world literature.
Fertilization of dryland and irrigated soils /
Fertilizers and fertilization : introduction and practical guide to crop fertilization /
Biotechnology in animal production : proceedings of the international symposium May 21-24, 1987 Slušovice. [sv.] 1., Lectures of the plenary meeting /
Biotechnology in animal production : proceedings of the international symposium May 21-24, 1987 Slušovice. [sv.] 2., Abstracts from meetings in sections /
Biotechnology in Animal Production : proceedings of the international symposium May 21-24, 1987 Slušovice. [sv.] 2, Lectures of the plenary meeting /
Biotechnology and biotechnological equipment.
Biotechnology and food industry : proceedings ... Budapest 5-9 October 1987 /
Regulation of human fertility. : Proceedings of a Symposium on Advances in fertility regulation ... /
Fertilizer abstracts.
Mammalian fertilization : an atlas of ultrastructure /
Biotechnology : economic and social aspects. Issues for developing countries /
DNA and biotechnology /
Fungal biotechnology /
Biotechnology and pharmacy. /
Environmental biotechnology /
Journal of biotechnology.