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1. |
Record Nr. |
UNINA9910555291503321 |
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Titolo |
Concepts and breeding of heterosis in crop plants : proceedings of the Plant Breeding Symposium / / editors, Kendall R. Lamkey and Jack E. Staub ; sponsored by the Crop Science Society of America |
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Pubbl/distr/stampa |
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Madison, Wisconsin : , : Crop Science Society of America, , 1998 |
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ISBN |
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Descrizione fisica |
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1 online resource (xvii, 127 pages) |
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Collana |
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CSSA Special Publication ; ; Number 25 |
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Disciplina |
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Soggetti |
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Heterosis |
Plant breeding |
Electronic books. |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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2. |
Record Nr. |
UNINA9910687904903321 |
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Autore |
Kladnik Drago |
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Titolo |
Gnojišča na Ljubljanskem polju / / Drago Kladnik, Aleš Smrekar |
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Pubbl/distr/stampa |
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Ljubljana : , : ZRC SAZU, Založba ZRC, , 2008 |
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Descrizione fisica |
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1 online resource (119 pages) |
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Disciplina |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Sommario/riassunto |
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The extensive groundwater reserves in the Ljubljana Plain, estimated at 100 million m3, represent a natural resource of regional significance. The Decree on the Protection of Sources of Drinking Water divides this water protection area into three drinking-water protection zones. The area is exposed to possible pollution by many activities, among which agriculture is especially problematic because it is not supervised strictly enough. The majority of farms are engaged in traditional animal husbandry, of which cattle breeding dominates. |
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