- International Fertilizer Development Center
- www.ifdc.org
- Production and agronomic effectiveness of fertilizers.
4.0
(si*)
>190
>20
6
- International Fertilizer Industry Association
- www.fertilizer.org
- Describes the production, distribution and consumption of fertilizers, their intermediates and raw materials
4.0
(si*)
>160
<5
6
- Smart! Fertilizer Management Software
- www.smart-fertilizer.com
- Fertilizer calculator and fertilizer management tool, providing guidance on fertilizer recipes, cost analysis and fertilizer mixes.
3.9
(si*)
>400
-
4
- Nutrients for Life Foundation
- www.nutrientsforlife.org
- Organization aiming to provide science-based information to help educate people about the benefits of fertilizer. Includes information for consumers, students, teachers and grassroot activists.
3.8
(si*)
>260
<5
4
- Soil, Water and Agricultural Testing Laboratory
- swatlab.nmsu.edu
- Self supporting lab at New Mexico State University providing chemical testing for plants and soils.
3.7
(si*)
<5
-
4
- Getting Back to Basics
- www.back-to-basics.net
- Crop information for all US regions and information on soil fertility and fertilizer application.
3.5
(si*)
-
-
4
- The International Fertiliser Society
- www.fertiliser-society.org
- Scientific, technical, environmental, economic and safety aspects of the production, marketing, use and application of fertilizers.
3.4
(si*)
<10
-
4
- Fertiliser Manufacturers Research Association
- www.fertresearch.org.nz
- Aims to promote and encourage responsible fertilizer use. Contains many fertilizer fact sheets.
3.4
(si*)
-
-
4
- Kieserite
- www.kieserite.com
- Magnesium/sulphur deficiency symptoms are widespread due to inappropriate nutrient management. This website offers not only details about the origin, properties and production of Kieserite, but also a wide range of information concerning its importance and possibilities of use in agriculture.
3.2
(si*)
-
-
2
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