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Potassium deficiency in Corsican pine.
Potassium deficiency in Corsican pine. Saint-Front, Dordogne.
Potassium deficiency in Corsican pine.
Potassium deficiency in Corsican pine. Saint-Front, Dordogne.
Potassium deficiency in Corsican pine.
Potassium deficiency in Corsican pine. Saint-Front, Dordogne.
Potassium deficiency in Corsican pine.
Potassium deficiency in Corsican pine. Saint-Front, Dordogne.
Norway spruce planted on large clearcut (coup a blanc).
Norway spruce planted on large clearcut (coup a blanc). Poitiers.
Norway spruce planted on large clearcut (coup a blanc).
Norway spruce planted on large clearcut (coup a blanc). Poitiers.
Maritime pine. Person is Professor Douglas Malcolm (Edinburgh).
Maritime pine. Person is Professor Douglas Malcolm (Edinburgh). Les Landes.
Unknown woman athlete
Sports (Individuals): Unknown woman athlete. Donor: P. Voutilainen.
View of fertilizer and drainage.
View of fertilizer and drainage. Large trees had both, smaller trees had fertilizer only. Mimizan.
Tower view of area of fertilizer trials.
Tower view of area of fertilizer trials. Mimizan.