PLANT NUTRITION

Advances in Fertigation - Avances en la fertirrigacion de Frutales de hoja persistente y caduca en Chile- Rogelio Mardonez O.- Fedefruta- in Spanish

Agri-Knowledge - from MDS Harris - Understanding a soil analysis and much more

Chemical Network - Guide to Global Chemical Industry

Crop Nutrient Removal Calculator - USDA - NRCS Natural Resources Conservation Service

El Aguacate: Fruto de promisaria demanda - The Avocado - from FAR - Ignacio Lazcano  - in Spanish

Fertigation of fruit trees - International Potash Institute - Argentina, in Spanish.

Fertilizer Facts  - Forms of Fertilizers and Other Soil Amendments - University of Guam

Fertilizer recommendation for avocados - HortResearch

Fertilizers Table - IFA - International Fertilizer Industry Association

Glossary of Fertilizer terms - IFA - International Fertilizer Industry Association 

Horticultural fertigation - Agnote NSW Agriculture

Ideas in Soil and Plant Nutrition - Joe Traynor.  1980.

IPNI – International Plant Nutrition Institute

Labels and MSDS - from CDMS - Crop Data Management System

Management of Foliar Fertilization - Carol Lovatt - in English and Spanish

Number of Replications and Plot Sizes Required for Reliable Evaluation of Nutritional Studies and Yield Relationships with Citrus and Avocado - W. W. Jones, T. W. Embleton, and C. B. Cree - Reprinted with permission from Proceedings of the American Society for Horticultural Sciences 1957 69:208-216

Nutrient Removal of four avocado cultivars - from FAR - Samuel Salazar and Ignacio Lazcano - in English

Plant Analysis - Great tool from the Division of Agriculture and Natural Resources, University of California

Plant Nutrition - Government of Newfoundland & Labrador

Remocion denutrientes de quatro cultivares de aguacate - Samuel Salazar and Ignacio Lazcano - in Spanish

Soil Analysis - Great tool from the Division of Agriculture and Natural Resources, University of California

Soil Calcium to Magnesium Ratios—Should You be Concerned? - University of Wisconsin Cooperative Extension

The Diagnosis of Mineral Deficiencies in Plants by Visual Symptoms - From University of Bristol

Understanding Plant Nutrients (series) - Boron, Calcium, Chlorine, Copper, Iron, Magnesium, Manganese, Molybdenum, Nitrogen, Phosphorus, Potassium, Sulfur, Zinc - University of Wisconsin Cooperative Extension

World Fertilizer Use Manual - IFA - International Fertilizer Industry Association