Abstract
Study on % recovery of N by rice plant from surface applied N through fertilizers and five BGA (blue-green algae) species
Highlights
ammonium sulfate (As) wetland rice field provides a unique set of condition for biological nitrogen fixation
It is well established that nitrogen fixation by blue green algae (BGA) plays a vital role in the buildup and maintenance of soil fertility, but it is important to understand how, when and what ways the fixed-N is made available to the rice plants
One control receiving no nitrogen (0) and the second control was inoculated with five species of BGA in each sub block without growing rice plants
Summary
A wetland rice field provides a unique set of condition for biological nitrogen fixation. It is well established that nitrogen fixation by BGA plays a vital role in the buildup and maintenance of soil fertility, but it is important to understand how, when and what ways the fixed-N is made available to the rice plants. An attempt has been taken to evaluate and compare percent recovery of nitrogen by rice from supplied two chemical fertilizers and five BGA species.
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