Abstract
Many trees, shrubs, and other ornamental plantings in Indiana and throughout the Midwest suffer from iron deficiency caused by high pH (alkaline) soil (Fig. 1). Soil pH affects plant growth directly and indirectly by affecting availability of essential nutrients and microbial activity. One of these nutrients is iron, an essential plant nutrient that is required for the production of chlorophyll. Chlorophyll is necessary for photosynthesis and gives plants their green color. Iron (and manganese) deficiency results in leaf yellowing (chlorosis); over time, scorching of foliage, dieback and even death of the tree or shrub can result.
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Claims 2
Claim · model-written summary
High soil pH causes iron deficiency in ornamental trees and shrubs in Indiana and the Midwest.
Verbatim
e0“Many trees, shrubs, and other ornamental plantings in Indiana and throughout the Midwest suffer from iron deficiency caused by high pH (alkaline) soil”
Claim · model-written summary
Iron and manganese deficiency cause leaf yellowing and can progress to scorching, dieback and death.
Verbatim
e0“Iron (and manganese) deficiency results in leaf yellowing (chlorosis); over time, scorching of foliage, dieback and even death of the tree or shrub can result.”