Effect of a controlled nitrogen supply with different temperatures and photoperiods upon the development of the potato plant
Werner, H.C
Effect of a controlled nitrogen supply with different temperatures and photoperiods upon the development of the potato plant - Lincon, U.S. 1934 - 132p - Agricultural experiment station, research bulletin, 75 .
POTATOES - FERTILISERS AND MANURES
POTATOES - FERTILISERS AND MANURES
633.491 W32E
Effect of a controlled nitrogen supply with different temperatures and photoperiods upon the development of the potato plant - Lincon, U.S. 1934 - 132p - Agricultural experiment station, research bulletin, 75 .
POTATOES - FERTILISERS AND MANURES
POTATOES - FERTILISERS AND MANURES
633.491 W32E