Month: December 2016

Iron Fertilization Science Summary of Iron Fertilization Principles

 

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1.All Plants Need Iron, But Very Little Iron –
Iron is a micronutrient essential for the synthesis of enzymes required for photosynthesis. In relatively rare cases where terrestrial plants lack iron, they cannot manufacture sufficient chlorophyll, such as those to the left. The amounts plants need, however, are small; a mature two-ton tree will need about 40 grams.

 

2. Most Ecosystems Have More Than Enough Iron – Terrestrial plants seldom lack iron becau most soils have abundances of iron. Most ocean waters are supplied by iron from river and bottom sediments or by clouds of dust that can travel for thousands of miles. To see satellite images of Asian dust storms over the Pacific see: http://cimss.ssec.wisc.edu/goes/misc/980424.html

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Development of Iron Fertilization Science

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1. Iron Fertilization Is a Truly New Concept. The fundamental concept that iron controls the growth of phytoplankton in much of the world’s oceans was formally postulated with supporting data in the late 1980’s. During the 1990’s and into 2002, a series of experiments, ranging from bench-scale assays to large-scale fertilizations of 100-sqare kilometer patches of ocean from the North Pacific to Antarctica, have been conducted to test the “iron hypothesis” and the results of these experiments have confirmed the initial hypothesis.

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