Potash fertilization of early potatoes on marine clay soils in the province of N
Van der boon, J.
Potash fertilization of early potatoes on marine clay soils in the province of N - Wageningen 1963 - 74 p. - No. 69.12; Netherlands Verslag .
633.491-1.83(492.6)
Potash fertilization of early potatoes on marine clay soils in the province of N - Wageningen 1963 - 74 p. - No. 69.12; Netherlands Verslag .
633.491-1.83(492.6)