Performance of oats (Avena sativa) in response to preceding alfalfa (Medicago sativa) on mineral fertilization versus organic manuring on Chernozem soil von VASILEVA, VILIANA, KOSTOV, OGNYAN

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Organic fertilization of lucerne and the following oat crop in non-irrigated conditions von Vasileva, Viliana, Kostov, Ognyan

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Effect of mineral and organic fertilization of alfalfa on some seed yield characteristics, root biomass accumulation and soil humus content von Vasileva Viliana, Kostov Ognyan

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Effect of mineral and organic fertilization on alfalfa forage and soil fertility von Vasileva, Viliana, Kostov, Ognyan

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Tropical soils: Importance, Research and Management von Ognyan Kostov

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Some Aspects of Bio-Environmental Problems and Further Development of Science and Scientific Policy in European Countries von Ognyan Kostov, Oswald Van Cleemput

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A SUBSTANTIALLY ZERO PALM OIL MILL EFFLUENT (POME) DISCHARGE THROUGH COMPOSTING OF MILL WASTES von CHEW AH HUAT, NU'MAN ABDUL HADI, YAHAYA HAWARI, ZULKIFLI HASHIM, CHOO YUEN MAY, ZULKIFLI AB. RAHMAN, MOHD ARIF SIMEH, LIM WENG SOON, KENG BENG KEONG, OGNYAN STOYANOV KOSTOV, NGAN TENG YE, DANNY TAN CHWEE CHENG

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METHOD OF MAKING COMPOST FROM OIL PALM HARVEST REFUSE MATERIAL von NGAN TENG HAN, OGNYAN STOYANOV KOSTOV, NGAN TENG YE

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METHOD OF MAKING COMPOST FROM OIL PALM HARVEST REFUSE MATERIAL von NGAN TENG HAN, OGNYAN STOYANOV KOSTOV, NGAN TENG YE

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A rapid method of synthesizing the layered titanosilicate JDF-L1 von Ferdov, Stanislav, Kostov-Kytin, Vladislav, Petrov, Ognyan

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Temperature-induced structural transformations of layered titanosilicate JDF-L1 von Kostov-Kytin, Vladislav, Mihailova, Boriana, Ferdov, Stanislav, Petrov, Ognyan

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Synthesis and crystal structure of a new microporous zirconosilicate, MCV-2 von Ferdov, Stanislav, Kolitsch, Uwe, Petrov, Ognyan, Kostov-Kytin, Vladislav, Lengauer, Christian, Tillmanns, Ekkehart

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