7 books
Farming for Food and Water Security
Organic Fertilisation, Soil Quality and Human Health
Rdiger Pour Tre Publi!
Biodiversity, Biofuels, Agroforestry and Conservation Agriculture
Alternative Farming Systems, Biotechnology, Drought Stress and Ecological Fertilisation
Genetic Engineering, Biofertilisation, Soil Quality and Organic Farming
Sociology, Organic Farming, Climate Change and Soil Science