Mark James Riess,Brennan Allan Ingram,Kristopher James Borgman,Robert Gabriel Melanson,Jennifer Ann Chapman,Ivan Rozumny
申请号：
US15059255
公开号：
US10408810B2
申请日:
2016.03.02
申请国别(地区):
US
年份:
2019
代理人:
摘要：
A soil testing method determines available nutrient levels and effective and economical fertilizer/treatment, based on what nutrients in the soil will actually reach the root of a growing plant. A soil is tested to determine initial nutrient(s) available to a plant root if it were growing in that soil when no nutrients have been added, followed by comparing/correlating the initial available nutrient to nutrient requirements for desired plant growth during one or more periods of time and/or to a yield outcome desired. Various doses of fertilizer(s) or treatment(s) are then added to portions of the soil, and those dosed portions are then tested for available nutrient levels, to determine the effect of the fertilizer(s)/treatment(s) on the nutrients that would be available in that particular soil to a plant root if that soil were fertilized with the various doses.
