TY  - GEN
AU  - Krøl Christensen, Lene
TI  - NPK Deficiencies Discrimination by use of Spectral and Spatial Response
U1  - 631.5 
PY  - 2004///
PB  - KVL The Royal Vet. and Agric. Univ.
KW  - Agriculture
KW  - DENMARK NUTRIENT STRESS NON-CONTACT SENSING
ER  -