Method for fertilizing cultivated plants for optimizing the quantity and quality of the yield
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United States of America Patent
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Sep 21, 2004
Grant Date -
Jun 5, 2003
app pub date -
Aug 8, 2002
filing date -
Dec 20, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a method for the fertilization of cultivated plants by optimizing the quantity and quality of the yield with the help of a bio-indicator, in which method, before the establishing of the plant stand, the following steps are taken: the cultivated area is divided into sub-areas; in each sub-area the potential yield is determined on the basis of a bio-indicator; the optimal bio-indicator level aimed at for the potential crop is selected; the nitrogen fertilization required for achieving the desired optimal level of the bio-indicator in the potential crop is determined; and thereafter, in connection with the planting, a nitrogen fertilizer is spread, and nitrogen fertilizer is optionally spread once or several times, after the planting, according to the said fertilization requirement, the realization of the potential yield being monitored during the growing season in each sub-area by a plant stand measurement, and on the basis of these measurements additional nitrogen fertilizer is spread once or several times, according to need, in order to attain the desired bio-indicator level.
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Cited Art Landscape
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