Authors of v. : A.G. Coche, J.F. Muir, T. Laughlin.In the next book of this manual, Pond construction, 20/2, you will learn how to build various structures, but right now it is ... uphill Pond Dike Water fed by gravity Water drained by gravity Wider ponds Slope 3 percent = 3 cm/m (maximum 30. 31.
|Title||:||Pond Construction for Freshwater Fish Culture|
|Author||:||A. G. Coche, James F. Muir, Thomas L. Laughlin|
|Publisher||:||Food & Agriculture Org. - 1995-01-01|