Found 1007 results
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1991
I. Dimitrov, Terziev, Z., Zheljazkov, V. D., and Janchev, I., Effect of fertilization and planting density on the productivity of maize hybrids grown under water stress. , Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 36, pp. 67-71, 1991.
V. Topalov and Zheljazkov, V. D., Effect of harvesting stages on the yield of fresh material, essential oil, and planting material from Mentha piperita Huds. and Mentha arvensis L, Herba Hungarica, 1991.
V. Topalov and Zheljazkov, V. D., Effect of harvesting stages on the yields of fresh material, essential oil, and planting material from M. piperita Huds and M. arvensis , L. Herba Hungarica, vol. 30, pp. 60-67, 1991.
V. D. Zheljazkov and Zhalnov, I., The effect of the method of propagation and the planting density of Mentha upon the removal of nitrogen, phosphorus, and potassium with the planting material, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 36, pp. 33-41, 1991.
V. D. Zheljazkov and Topalov, V., The effect of the method of propagation and the planting density on the essential oil chemical composition in Mentha piperita Huds. and Mentha arvensis L. , Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 36, pp. 25-31, 1991.
T. S. Steenhuis, Selker, J., Bell, J., Kung, K. J., Parlange, J., and , Effects of soil layering on infiltration, in Irrigation and Drainage, 1991.
D. K. Blount, Angell, R. F., Turner, H. A., Weber, D. W., Lusby, K. S., and Guthrie, L. D., Effects of Strip Versus Continuous Grazing on Diet Parameters and Performance of Steers Grazing Eastern Oregon Native Flood Meadows1, The Professional Animal Scientist, vol. 7, no. 2, pp. 41 - 48, 1991.
T. O. Dill, Turner, H. A., DE Mattson, D. W. Weber, and Baker, R. J., EFFECTS OF ZINC, COPPER AND SELENIUM SUPPLEMENTATION ON THE HUMORAL IMMUNE SYSTEM OF WEANED STEERS., OSU DEPARTMENT OF ANIMAL SCIENCES, p. 9, 1991.
J. Selker, Steenhuis, T. S., Parlange, J., and , Estimation of loading via fingered flow, in Irrigation and drainage, 1991.
K. Donegan, Matyac, C., Seidler, R., and Porteous, A., Evaluation of methods for sampling, recovery, and enumeration of bacteria applied to the phylloplane., Appl Environ Microbiol, vol. 57, no. 1, pp. 51-6, 1991.

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