Abstract
When common rock salt in addition to manure was applied at rates of 150, 300, and 500 lbs. per acre for 2 yrs., asparagus showed 2 distinct cycles of growth in the season. Each cycle proceeded at a rate corresponding to an autocatalytic chemical reaction, producing an S-shaped curve. Salt exerted a regular and comparable influence throughout the growing season upon total length and number of stems of plants.

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