Sustainable cultivation of asparagus using sub surface drip irrigation in the desert of Peru
Hoefsloot, J. (Student); Gildermacher, B.; Marcelo Canelo, V.
Irrigation sustainability in rural Amhara, Ethiopia: contributions to Deutsche Welthungerhilfe’s “MDG Water and Sanitation Program”
Meier zu Biesen, C. (Student); Hoof, H. van