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coordinator for the regional research laboratories at
Germantown, Pennsylvania and Charleston, South Carolina. He was director of research and chief chemist at Na-Churs Plant Food Company (1951–1955). He was founder, vice president, and director of research for Growers Chemical Corporation (1955–1972) and chairman of the board from 1972 until his death in 1975.
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169:, and the American Society of Plant Physiologists. His name is listed in American Men of Science, Leaders in American Science, Who's Who in America, Who's Who in Education, Who's Who in the East, Leading Men in the United States, Who's Who in Commerce and Industry, and Who's Who in the Midwest. He was a member of
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He was appointed the director of the
Virginia Truck Experimental Station Norfolk, VA (Currently Hampton Roads Agricultural Research and Extension Center) (1945–1951). In 1945 he was a member of the Virginia Commission on Research and Education. He was also appointed U.S. Department of Agriculture
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Tiedjens also experimented with different methods of fertilizing crops. He discovered plants can absorb fertilizer nutrients only when they are in a liquid form. He rationalized that if he dissolved dry materials in water they would be better utilized by the plant. This led to the inception of
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Tiedjens developed a program utilizing the combination of the ideal growing environment and nutrient stimulation of the plant to bring about the best economical and nutritional system for the farmer. The program has been successfully used on a wide scale, from a potato farm in
Aroostook county
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was the key element for healthy, productive soils. Using various technical publications and his years of field research, he devised a test to determine appropriate calcium levels necessary for various types of soils and growing media to encourage optimum economical plant growth, health, and
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liquid fertilizers. Tiedjens then felt another step could lead to even greater efficiency; he completely bypassed the soil and applied the liquid fertilizers directly on the plants, which became the origin of foliar nutrition of plants.
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Maine, grain and dairy operations in the
Midwestern United States and Canada to a produce farm on Mexico's Yucatán peninsula, showing that it can be adapted to any agricultural operation.
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in 1921 and his M.S. in 1922. He married
Dorothy Janet Dopp on June 2, 1923. They had two children, Dorothy Loraine and Penelope Emily. Tiedjens was an assistant research professor at
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considered that nitrate was almost the only form of nitrogen assimilated by plants,...The bulletin by
Tiedjens and Robbins (1931) did much to correct the early erroneous ideas."
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for plants. He is credited with publishing research that has changed the views and theories of nitrogen use by plants, "prior to about 1925, nearly all
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in vegetable gardening (1934–1945). He did experimental work on the use of fertilizers in dry and liquid form during the next several years.
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141:, a subsidiary of Standard Oil Company in Aruba and Curaçao in the Dutch West Indies using the soilless culture (hydroponic) technique.
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157:. He was elected a fellow of AAAS in 1933. He was chair and VP of AAAS Section O in 1951. He was also a member of the
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Tiedjens was director of research at Yoder
Brothers Barberton, Ohio (1932–1934). He was an associate professor at
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for outstanding work in his field. The presentation was based on lifetime work and not on specific achievements.
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Relationships of
Ampholytes to Assimilation and Recovery of Ammonium and Nitrate Nitrogen in Plant Tissue,
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Factors
Affecting Assimilation of Ammonium and Nitrate Nitrogen, Particularly in Tomato and Apple,
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98:, on June 13, 1895, to John Alfred and Anna M. (Nelesen) Tiedjens. He received his B.S. from the
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Recent
Studies on Fertilizer Applications for Gold Skin Sweet Potatoes (with L.G. Schermerhorn,
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Recent Studies on Fertilizer Applications for Gold Skin Sweet Potatoes (with L.G. Schermerhorn)
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Factors Affecting the Use of Nitrate and Ammonium Nitrogen by Apple Trees (with M.A. Blake),
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73:, and basic researcher within the United States collegiate system, Tiedjens concluded that
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In 1938, Tiedjens invented the soilless window box. In the 1940s, he was employed by the
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The 1952 Massachusetts Horticultural Society Annual Report describing Dr. Tiedjens' award
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Available Calcium a Factor in Salt Balance for Vegetable Crops (with L.G. Schermerhorn)
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Available Calcium a Factor in Salt Balance for Vegetable Crops (with L.G. Schermerhorn)
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The Use of Ammonia and Nitrate Nitrogen by Certain Crop Plants (with W.R. Robbins),
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Soil Organic Matter and its role in Crop Production, F.E. Allison, 1973, pg. 246.
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The Importance of Potassium in the Growth of Vegetable Plants, (with M.E. Wall)
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Some Observations on Root and Crown Bud Formation in Asparagus Officinalis,
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Dr. Victor A. Tiedjens checking Erie County, Ohio corn yields. Prob. 1956.
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Growing Vegetables with Fertilizer in Water (with L.G. Schermerhorn),
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Growing Vegetables with Fertilizer in Water (with L.G. Schermerhorn),
114:(1928–1932) and received his Ph.D. from Rutgers University in 1932.
185:. He was also active in the Knights of the Round Table and Rotary.
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Fertilizer Requirements for Lima Beans (with L.G. Schermerhorn),
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In 1952, Tiedjens was awarded the Thomas Roland Medal by the
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Massachusetts Horticultural Society Annual Report, 1952.
110:(1928). He was a research specialist in horticulture at
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In the late 1920s and the 1930s, Tiedjens was an early
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The Growth of Spinach on Phosphorus Deficient Soil,
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New Jersey Agricultural Experiment Station Bulletin
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New Jersey Agricultural Experiment Station Bulletin
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New Jersey Agricultural Experiment Station Bulletin
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New Jersey Agricultural Experiment Station Bulletin
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American Association for the Advancement of Science
381:, December 1936, Vol 42, Issue 6, pages. 415–434
293:, December 1936, Vol 42, Issue 6 pages. 415–434.
78:reproduction. This test is still in use today.
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335:, Vol. 109, No. 2, Dec. 1947, pages. 95–107.
69:During his many years working as a student,
405:American Society for Horticultural Science
326:American Society for Horticultural Science
312:American Society for Horticultural Science
305:American Society for Horticultural Science
298:American Society for Horticultural Science
270:American Society for Horticultural Science
47:in growing plants in chemical solutions."
153:In 1924, Tiedjens became a member of the
106:(1923–1928) and did postgraduate work at
118:Career, experimental work and inventions
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232:A Practical Guide to Successful Farming
449:University of Wisconsin–Madison alumni
234:(with others, W. Moreland, ed.), 1944
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226:Encyclopedia of Vegetable Gardening
195:Massachusetts Horticultural Society
279:526, September, 1931, pages. 1–46.
220:Chemical Gardening for the Amateur
20:Dr. Victor A. Tiedjens (1895–1975)
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43:. He was credited as "one of the
307:, Vol. 37, 1939, pages. 857–859.
300:, Vol. 36, 1938, pages. 740–743.
286:547, November 1932, pages. 1–32.
90:Early life, education and family
434:People from Brillion, Wisconsin
407:, Vol 37, 1939, pages. 857–859.
328:, Vol 44, 1944, pages. 506–510.
314:Vol. 37, 1939, pages. 743–746.
139:Lago Oil and Transport Company
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394:694, June 1942, pages. 1–20.
321:694, June 1942, pages. 1–20.
167:American Society of Agronomy
27:(1895–1975) was an American
244:More Food From Soil Science
163:Virginia Academy of Science
104:Massachusetts State College
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469:American earth scientists
454:Harvard University alumni
444:Rutgers University alumni
238:The Handbook of Gardening
222:(with C.M. Conners), 1939
159:American Chemical Society
439:American soil scientists
459:Writers from New Jersey
100:University of Wisconsin
94:Tiedjens was born near
25:Victor Alphons Tiedjens
464:Writers from Wisconsin
240:(with Wilkinson), 1950
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333:The Botanical Gazette
209:Selected publications
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342:9(1), pages. 31–57.
272:, 1926, pages. 1–7.
256:A Guy from Peshtigo
96:Brillion, Wisconsin
250:Olena Farm, U.S.A.
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124:Rutgers University
112:Rutgers University
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149:Organizations
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56:aqua ammonia
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41:soil chemist
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429:1975 deaths
424:1895 births
64:agronomists
418:Categories
347:References
171:Alpha Zeta
52:researcher
37:biochemist
33:agronomist
179:Phi Sigma
263:Articles
175:Sigma Xi
60:nitrogen
45:pioneers
108:Harvard
75:calcium
252:, 1969
246:, 1966
228:, 1943
181:, and
214:Books
189:Award
39:and
54:of
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