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Book
The normalized difference vegetation index (NDVI) Greenseeker(TM) handheld sensor: toward the integrated evaluation of crop management part A: concepts and case studies
(CIMMYT, 2010)
Reflectance is the ratio of energy that is reflected from an object to the energy incident on the object. Spectral reflectance of a crop differs considerably in the near infrared region (λ = 700-1300 nm) and in the visible ...
Book
How to evaluate cropping management practices: the cook book
(CIMMYT, 2008)
Soil compaction is a form of physical soil degradation where an increase in soil bulk density, and a decline in percentage and stability of aggregates as well as porosity and pore continuity, is verified (Kooistra and ...