Syers, John K books & textbook
The Sustainable Management of Vertisols
Syers, John K de Vries, Frits W T Penning
CABI /2001-08-22 Hardcover / 288 Pages
isbn-10: 0851994504 / isbn-13: 9780851994505
Soil Science and Sustainable Land Management in the Tropics
CABI /1994-10-01 Hardcover / 320 Pages
isbn-10: 0851988741 / isbn-13: 9780851988740
