Browse Items (5900 total)

993b 1053b.jpg
Copper deficiency in Douglas fir. n.b. crook in stem which is a symptom of Cu deficiency. Razès.

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993a 1053a.jpg
Copper deficiency in Douglas fir. n.b. crook in stem which is a symptom of Cu deficiency. Razès.

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992 1052.jpg
Copper deficiency in Douglas fir. n.b. crook in stem. Razès.

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991 1051.jpg
Nitrogen deficiency in Norway spruce planted 1967, 6 years. Razès.

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Douglas plot with N, P, K and Cu added. c.f. slide 989 and note the difference in growth and colour. Razès.

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Norway spruce planted 1967, 6 years. Person is Professor George Switzer (Mississippi State University). Razès.

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Black and white photograph of a gymnastic display with J. Kowalchuk and Lillian Lavallee

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Control plot no fertilizer addition to Douglas fir. Razès.

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Norway spruce, 6 years from planting. Haute-Vienne, Limousin.

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Plantation of Douglas fir, general view and foresters taking pictures. Razès.

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