𝔖 Bobbio Scriptorium
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Rechercher à l'aide d'un ordinateur, d'itinéraires pour les autobus scolaires


Publisher
Elsevier Science
Year
1972
Weight
80 KB
Volume
6
Category
Article
ISSN
0041-1647

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📜 SIMILAR VOLUMES


Effet de l'enrichissement continu en nit
✍ Dr. René le Cohu 📂 Article 📅 1976 🏛 John Wiley and Sons 🌐 English ⚖ 715 KB

The influence of nitrates (NH,NO:j, KN03 and Ca(NO:J2) on Diatom populations ham been studied. These populations were isolated by enclosures with transparent walls, without bottom or lid, placed in an oligotrophic pond. The addition of NH,NO, generally resulted in a decrease in the number of Diatoms