The Right Way to Grow...4R Nutrient Stewardship - PART 1 of 2. An overview of the 4Rs. How these concepts apply to large-scale agriculture in developed countries and also to small-holder farms in less developed regions.

The use of fertilizers in agriculture has increased the productivity of our farms. However, this increase has come with a price. Fertilizers and other chemicals end up in our streams and rivers, and eventually in our oceans.

In a five year project funded by the European Science Foundation programme "Nitrogen in Europe", 200 scientists/experts in the field produced "The European Nitrogen Assessment", which explains the state of the threats to water, air and soil qualit