1
Digital imaging and spectral techniques : applications to precision agriculture and crop physiology : proceedings of a symposium ... in Minneapolis, MN, November 2001 /
Book
2
Impact of carbon dioxide, trace gases, and climate change on global agriculture : proceedings of a symposium ... Anaheim, Calif., 1 December 1988 /
Book
3
Soil science and sustainable land management in the tropics /
Book
4
Wasser : nachhaltige Gewinnung und Verwendung von Wasser /
Book