IncreasingFertility.com

Soil Fertility Guide
Common fertilizers and their characteristics.
www.gov.mb.ca/

Effects of Organic and Inorganic Fertilizers on Soil Fertility and Crop Quality
Describes the results of a long-term field experiment in Sweden. By Artur Granstedt and Lars Kjellenberg.
www.jdb.se/

Soil Fertility Establishment
Soil fertility management for forage crops. A introduction from the Penn State University's Agronomy Department.
www.cas.psu.edu/

Soil Fertility Implications When Converting to Direct Seeding
Describes the different fertilization requirements for direct seeding.
www1.agric.gov.ab.ca/

Soil Fertility Guide
Soil fertility practices in Manitoba and general fertilizer use considerations. Details about fertilizers, their characteristics, application rates and usage recommendations. N-fixation, Manure and soil factors are also described.
www.gov.mb.ca/

Soil fertility and crop nutrition
The Ontario Ministry of Agriculture and Food offers a large collection of newsletters and factsheets with topics ranging from soil sampling to fertilizer requierements and micronutrients.
www.gov.on.ca/

Soil Fertility Management
Frequently asked questions about soil fertility, the application of animal wastes, organic and chemical fertilizers. Also features an online discussion forum.
web.aces.uiuc.edu/

Soil Fertility
Application recommendations for different fertilizers.
www.rce.rutgers.edu/

Soil Fertility for Forage Crops
Gives detailed description of the soil and fertilizer requirements of forage crops during establishment and maintenance. University of Pennsylvania.
www.cas.psu.edu/

Plant Nutrition and Soil Fertility Laboratory
Institute of the University in Denmark. Features publications and research reports.
www.agsci.kvl.dk/