Improving The Productivity and Quality of Black Cumin ( Nigella Sativa ) By Using Algae Biofertilizer

Document Type : Original Article

Authors

1 Environmental Studies and Research Institute; Egypt

2 Aromatic Plants, Horticulture Research Institute (HRI Agriculture Research Centre (ARC)

Abstract

 Two field experiments were conducted field experiment were designed in a split Field experiment was carried out during two successive winter seasons of 2017/2018 and 2018/2019 in sand soil  at Ali Mubarak farm Station South El- Tahrir Horticultural Research Institute - Agricultural Research Center  to evaluate the effect of incorporation six algae  concentration (10g/hill ) three marine and three River varieties marine (laurencia microcladia, Jania rubens and Ulva lactuca ) and river algae (Scenedesmus obliqus, Ankistrodesmus falacatus, and Chlorela vulgaris ) on black cumin growth and nutritional status  under drip irrigation . Results showed that plant growth , plant height, number of branches and weight of capsules were increased by algae addition , volatile and fixed oil were increased by adding algae compared to control or by adding mineral fertilizer  verities show most effect with 50% mineral fertilizer while  Scenedesmus obliqus show most effect with adding 25% nitrogen fertilizer .
 

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