The expediency of cultivating and using microalgae (chlorella) as organic fertilizers
نویسندگان
چکیده
منابع مشابه
bioremediation of wastewater using chlorella vulgaris microalgae: phosphorus and organic matter
wastewater contains many organic and inorganic contaminants that can cause serious damage to the environment and health of people, therefore, they have to be eliminated before being downloaded into sensitive areas. different methods of wastewater purification have been used for contaminants removal. however, they present some technical and economic limitations. thus, new methods of nutrients re...
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the aim of the present study was to investigate the frequency and the type of discourse markers used in the argumentative and expository writings of iranian efl learners and the differences between these text features in the two essay genres. the study also aimed at examining the influence of the use of discourse markers on the participants’ writing quality. to this end the discourse markers us...
15 صفحه اولOrganic Fertilizers and Composts
Introduction Interest in organic production methods for vegetables continues to increase. Production practices for organic field production of vegetables have a long history, but practices to grow organic vegetable transplants in a spring greenhouse are poorly known. Organic fertilizers and composts are available but the efficacy and rates for use have not been evaluated. Experiments in the sum...
متن کاملThe effects of glucose, nitrate, and pH on cultivation of Chlorella sp. Microalgae
BACKGROUND AND OBJECTIVES: Bioenergy is a phenomenon that has attracted humans’ attention for about a century. The desirable biological properties of chlorella sp.microalgae have turned it to one of the most ideal options for the production of biodiesel. However, the economic issues must be taken into account in its industrial scale production. The present study aims t...
متن کاملthe effect of teaching reading as whole text task and paragraph task on efl learners speaking
abstract the present study was conducted to investigate the effectiveness of a rather newly developed method in language teaching that is the use of paragraph reading task and whole reading task and their effects on improving efl learner’s speaking ability. to fulfill the purpose of the study, first 90 participants studying their course at sa eedi high school in tehran were chosen by means of ...
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ژورنال
عنوان ژورنال: Ecological Sciences
سال: 2020
ISSN: 2306-9716
DOI: 10.32846/2306-9716/2020.eco.1-28.52