SU382367A1 - - Google Patents

Info

Publication number
SU382367A1
SU382367A1 SU1715070A SU1715070A SU382367A1 SU 382367 A1 SU382367 A1 SU 382367A1 SU 1715070 A SU1715070 A SU 1715070A SU 1715070 A SU1715070 A SU 1715070A SU 382367 A1 SU382367 A1 SU 382367A1
Authority
SU
USSR - Soviet Union
Prior art keywords
plants
frequency
elements
sensitive
generator
Prior art date
Application number
SU1715070A
Other languages
English (en)
Russian (ru)
Original Assignee
Полтавский ордена Трудового Красного Знамени сельскохоз йственный институт
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Полтавский ордена Трудового Красного Знамени сельскохоз йственный институт filed Critical Полтавский ордена Трудового Красного Знамени сельскохоз йственный институт
Priority to SU1715070A priority Critical patent/SU382367A1/ru
Application granted granted Critical
Publication of SU382367A1 publication Critical patent/SU382367A1/ru

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  • Geophysics And Detection Of Objects (AREA)
SU1715070A 1971-11-15 1971-11-15 SU382367A1 (https=)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1715070A SU382367A1 (https=) 1971-11-15 1971-11-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1715070A SU382367A1 (https=) 1971-11-15 1971-11-15

Publications (1)

Publication Number Publication Date
SU382367A1 true SU382367A1 (https=) 1973-05-25

Family

ID=20493217

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1715070A SU382367A1 (https=) 1971-11-15 1971-11-15

Country Status (1)

Country Link
SU (1) SU382367A1 (https=)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5296702A (en) * 1992-07-28 1994-03-22 Patchen California Structure and method for differentiating one object from another object
US5585626A (en) * 1992-07-28 1996-12-17 Patchen, Inc. Apparatus and method for determining a distance to an object in a field for the controlled release of chemicals on plants, weeds, trees or soil and/or guidance of farm vehicles
US5763873A (en) * 1996-08-28 1998-06-09 Patchen, Inc. Photodetector circuit for an electronic sprayer
US5789741A (en) * 1996-10-31 1998-08-04 Patchen, Inc. Detecting plants in a field by detecting a change in slope in a reflectance characteristic
US5793035A (en) * 1992-07-28 1998-08-11 Patchen, Inc. Apparatus and method for spraying herbicide on weeds in a cotton field
US5809440A (en) * 1997-02-27 1998-09-15 Patchen, Inc. Agricultural implement having multiple agents for mapping fields
US7362439B2 (en) 2003-08-01 2008-04-22 Li-Cor, Inc. Method of detecting the condition of a turf grass

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5296702A (en) * 1992-07-28 1994-03-22 Patchen California Structure and method for differentiating one object from another object
US5389781A (en) * 1992-07-28 1995-02-14 Patchen California Structure and method usable for differentiating a plant from soil in a field
US5585626A (en) * 1992-07-28 1996-12-17 Patchen, Inc. Apparatus and method for determining a distance to an object in a field for the controlled release of chemicals on plants, weeds, trees or soil and/or guidance of farm vehicles
US5793035A (en) * 1992-07-28 1998-08-11 Patchen, Inc. Apparatus and method for spraying herbicide on weeds in a cotton field
US5837997A (en) * 1992-07-28 1998-11-17 Patchen, Inc. Structure and method for detecting plants in a field using a light pipe
US5763873A (en) * 1996-08-28 1998-06-09 Patchen, Inc. Photodetector circuit for an electronic sprayer
US5789741A (en) * 1996-10-31 1998-08-04 Patchen, Inc. Detecting plants in a field by detecting a change in slope in a reflectance characteristic
US5809440A (en) * 1997-02-27 1998-09-15 Patchen, Inc. Agricultural implement having multiple agents for mapping fields
US7362439B2 (en) 2003-08-01 2008-04-22 Li-Cor, Inc. Method of detecting the condition of a turf grass
US7911616B2 (en) 2003-08-01 2011-03-22 Li-Cor, Inc. Sensor and method of detecting the condition of a turf grass
US7929141B2 (en) 2003-08-01 2011-04-19 Li-Cor, Inc. Sensor and method of detecting the condition of a turf grass
US8482736B2 (en) 2003-08-01 2013-07-09 David Franzen Sensor and method of detecting the condition of a turf grass

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