The 4Rs



Wesley Haun, Agronomist Nutrient Management and Sulphur Bentonite: The 4Rs



H.J. Baker & Bro, Inc. Corporate Headquarters 228 Saugatuck Avenue Westport, CT 06880-6425, USA 203-682-9200 (phone) 203-227-8351 (fax) TIGER-SUL Products (Canada) Co. P.O. Box 126 275137 Range Road 263 Irricana, AB TOM 1BO, Canada 877-299-3399 403-935-4197 (direct) TIGER-SUL Products LLC. 25 Byrne Drive Atmore, AL 36502, USA 800-239-3647 251-202-3850 (direct) 251-368-4964 (fax) Mailing Address: P.O. Box 5; Atmore, AL 36504, USA

H.J. Baker now an official 4R partner,

supporting 4R Nutrient Stewardship initiatives.

Crop production in North America has experienced significant improvements in yields and crop quality, which resulted from various factors including technology, enhanced soil fertility, variety/hybrid improvements, and crop protection management. The available natural resources have provided the foundation from which producers have managed to obtain significant progress in crop response. Preserving those natural resources has received greater attention as crop production intensity increased. As a means to promote improved conservation of our natural resources, a new concept was introduced. Best Management Practices (BMP) is a crop production nutrient management approach introduced in the early 1990’s and approximately 6 years ago The Global “4R” Nutrient Stewardship program was introduced. The 4Rs program is a crop production management system conceptually introduced by International Plant Nutrition Institute (IPNI) and endorsed by the fertilizer industry and government agencies. Best Management Practices has been defined by fertilizer industry scientists as research proven practices that have been tested through farmer implementation to optimize production potential, input efficiency, and environmental protection (Griffith and Murphy 1991). Then the 4Rs was introduced to aid the development and adoption of plant nutrient BMPs that meet sustainable development goals (i.e. economic, social, and environment) through simultaneously increasing crop productivity and profitability, while protecting the environment. The structure of The Global “4R” Nutrient Stewardship program is to integrate the economic, social, and environmental expectations of the different stakeholders within cropping system management objectives of productivity, profitability, cropping system durability, and a healthy environment (Roberts, 2010).

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