By J. Balandreau, P. Roger (auth.), Mustafizur Rahman, Ajit Kumar Podder, Charles Van Hove, Z. N. Tahmida Begum, Thierry Heulin, Anton Hartmann (eds.)

Biological nitrogen fixation (BNF) has turn into vital in rice farming structures simply because this strategy diminishes the necessity for dear chemical fertilizers which were linked to a variety of overall healthiness and environmental difficulties. The large exploitation of BNF would supply fiscal advantages to small farmers, heading off all malign affects of chemical fertilizers.
in the meantime, advances in biotechnology have introduced rice genetics to the edge of latest possibilities for expanding rice construction.
This quantity focuses, in six diverse classes, at the position of BNF within the development of rice creation within the gentle of the present state-of-the-art of BNF expertise move and diffusion. New principles on BNF know-how in learn, extension details and inoculant know-how also are incorporated, including the socio-economic affects of utilizing BNF in rice farm systems.

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Additional resources for Biological Nitrogen Fixation Associated with Rice Production: Based on selected papers presented in the International Symposium on Biological Nitrogen Fixation Associated with Rice, Dhaka, Bangladesh, 28 November– 2 December, 1994

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Salim et al. 27 t/ha. Five years of continuous experiments on the application of compost (38 t/ha) to paddy soH in Nanging and to dark brown soil in Northwest China produced the highest yield of wheat grain, 3230 kg/ha, compared with control, 2336 kglha (FAO SoH Bulletin 40, 1977). A considerable response to compost application was observed on mungbean yield and yield-contributing characteristics (Table 3). 75 t/ha) were increased after compost application. Application of compost with a 46 Khanam et al.

Effects of metal ions on nitrogenase activity of nodule bacteroids. 94c Data were analysed by LSD criteria. The dissimilarities in a column are denoted by different letters of the alphabet following the parameter values. 005, n = 3. Table 6. Effect of metal ions on morphological parameters of Cicer arietinum L. 001, NS = not significant, compared with control, n = 20. *** *** *** Effect oi heavy metals Table 7. 27 Variation in plant dry weight due to the induction of heavy metals after different time periods.

47 Yield characters and yield for organic eompost and ehemieal fertilizers used for mungbeans. 33 1992-1993 Control Compost Compost + half NPK Full NPK Full NPK + eompost CV% LSD Table4. 99 Yield charaeters and yield for organic eompost and chemieal fertilizers used for riee. 06 NPK, increased yield by 56-144%. Salim et ai. 40 t/ha). 48 Khanam et al. Conclusions The results of these studies reveal that use of just compost from crop residues produces little effect on yield and yield-contributing characteristics.

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