Autor:
Couper, D.C.
Good roads can prevent costly damage to machinery. Erosion of roads can be avoided by proper design and construction. Earth roads require continuous maintenance. Maintenance is easy if carried out correctly and routinely.
Enlace original:
https://cgspace.cgiar.org/handle/10568/97250
Couper, D.C.
,
[Building and maintenance of roads on agricultural research farms]
,
Building and maintenance of roads on agricultural research farms