FIELD: agriculture. SUBSTANCE: method involves applying fertilizer by sprayers controlled by fertilizer flow rate sensors. Color video camera serving sensors has angle of view subdivided into sections of view, each embracing width of related sprayer. Before applying fertilizer, doses of fertilizer dispensed by each sprayer are regulated in proportion with tints of color spectrum reflected by surface of soil portions covered with related section of view. EFFECT: increased efficiency by applying required doses of fertilizer and reduced contamination of environment. 3 dwg
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Authors
Dates
2001-08-10—Published
1999-11-15—Filed