Effects of seasonal variation and nitrogen treatments on nodulation and nitrogen fixation behaviour in Pongamia pinnata


Citation

Chaukiyal S . P ., . and Sheel S . K ., . and Pokhriyal T . C ., . Effects of seasonal variation and nitrogen treatments on nodulation and nitrogen fixation behaviour in Pongamia pinnata. pp. 357-368. ISSN 0128-1283

Abstract

Effects of seasonal variation and nitrogen treatments on nodulation and nitrogen fixation behaviour in Pongamia pinnata. Nodulation behavior and nitrogenase activity were studied in relation to nitrogen treatment (i.e. 0 40 80 100 kg N per ha) and seasonal variations in Pongamia pinnata seedlings. A marked increase in the nodule biomass per plant and nitrogenase activity was observed in the rainy season followed by winter and summer. Two peaks one small in early summer and another large during the rainy season were observed in nitrogenase (g superscript minus 1 fresh wt. h superscript minus 1 and pl superscript minus 1 h superscript minus 1) activity. However no definite trend was observed due to the different nitrogen treatments on the nodule biomass and nitrogenase activity but 40 kg N per ha was observed to be more effective than the others.


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Abstract

Effects of seasonal variation and nitrogen treatments on nodulation and nitrogen fixation behaviour in Pongamia pinnata. Nodulation behavior and nitrogenase activity were studied in relation to nitrogen treatment (i.e. 0 40 80 100 kg N per ha) and seasonal variations in Pongamia pinnata seedlings. A marked increase in the nodule biomass per plant and nitrogenase activity was observed in the rainy season followed by winter and summer. Two peaks one small in early summer and another large during the rainy season were observed in nitrogenase (g superscript minus 1 fresh wt. h superscript minus 1 and pl superscript minus 1 h superscript minus 1) activity. However no definite trend was observed due to the different nitrogen treatments on the nodule biomass and nitrogenase activity but 40 kg N per ha was observed to be more effective than the others.

Additional Metadata

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Item Type: Article
Additional Information: Summaries (En Ms)
AGROVOC Term: PONGAMIA PINNATA
AGROVOC Term: SEEDLINGS
AGROVOC Term: SEASONAL VARIATION
AGROVOC Term: NITROGEN
AGROVOC Term: ROOT NODULATION
AGROVOC Term: NITROGEN FIXATION
AGROVOC Term: SOIL FERTILITY
AGROVOC Term: NITROGENASE
AGROVOC Term: SEEDS
AGROVOC Term: GERMINATION
Depositing User: Ms. Norfaezah Khomsan
Last Modified: 24 Apr 2025 05:52
URI: http://webagris.upm.edu.my/id/eprint/17934

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