Nitrogen fixation in Indian rice fields : azolla and blue green algae

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Bibliographic Details
Main Author: Singh, A.L
Other Authors: Singh, Pushp Lata
Format: Book
Language:English
Published: Bikaner : Agro Boatnical Publishers , 1989
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020 |a 8185031258 
041 |a eng 
082 |2 21st ed.  |a 572.545  |b SIN/N 
100 |a Singh, A.L. 
245 |a Nitrogen fixation in Indian rice fields :  |b azolla and blue green algae  |c [by] A.L. Singh and Pushp Lata Singh 
260 |a Bikaner :  |b Agro Boatnical Publishers ,  |c 1989 
300 |a 236p. 
653 |a Algae 
653 |a Azolla 
653 |a Crops 
653 |a Rice 
700 |a Singh, Pushp Lata 
942 |c EN  |2 ddc 
999 |c 9115  |d 9115