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Method for fertilizing cultivated plants for optimizing the quantity and quality of the yield

  • US 6,792,882 B2
  • Filed: 08/08/2002
  • Issued: 09/21/2004
  • Est. Priority Date: 12/20/1999
  • Status: Expired due to Fees
First Claim
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1. Method for the fertilization of cultivated plants by optimizing the quantity and quality of the yield with the help of a bio-indicator, characterized in that, before the establishing of a 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 of the seed, 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 means of plant stand measurement, and on the basis of these measurements additional nitrogen fertilizer is spread, if required, once or several times in order to attain the desired bio-indicator level.

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