Abstract
Efficiency study of five blue-green algae species and two fertilizers as a source of nitrogen in the growth of rice
Highlights
The most important single limitation to food production is the availability to nitrogen to plants and, indirectly to animals
At the first harvest the N-content of the plant material produced in pots inoculated with blue green algae (BGA) were significantly lower than those receiving nitrogen fertilizers
Pots receiving Urea produced material with the higher N- content and looking at the interactions the materials with the higher N-content produced from BGA inoculum were the pots inoculated with Anabaena variabilies and Anabaena doliolum i.e. those pots with the highest dry matter yields
Summary
The most important single limitation to food production is the availability to nitrogen to plants and, indirectly to animals. The solution has been to apply nitrogen fertilizer, produced chemically. With those ideas in view, an experiment was conducted to evaluate the specific efficiency supplying N by five BGA species as a source of N for rice production and two chemical fertilizers and compared them to N provided as inorganic fertilizer under greenhouse condition.
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