Patents by Inventor Bengt Aspelin

Bengt Aspelin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for fertilizing cultivated plants for optimizing the quantity and quality of the yield
    Patent number: 6792882
    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 spre
    Type: Grant
    Filed: August 8, 2002
    Date of Patent: September 21, 2004
    Assignee: Kemira Agro Oy
    Inventors: Bengt Aspelin, Raimo Kauppila, Jouko Kleemola, Jari Peltonen
  • Method for fertilizing cultivated plants for optimizing the quantity and quality of the yield
    Publication number: 20030101918
    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:
    Type: Application
    Filed: August 8, 2002
    Publication date: June 5, 2003
    Inventors: Bengt Aspelin, Raimo Kauppila, Jouko Kleemola, Jari Peltonen