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Effect of Light Intensity on Paddy and Wheat Grain Yield under Eucalyptus Tereticornis Sm. Based Agri-silvicultural System


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1 Department of Forestry, College of Horticulture & Forestry N.D. University of Agriculture & Technology, Kumarganj, Faizabad (U. P.), India
     

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An investigation was under taken to monitor the performance of tree growth and crop yields of paddy and wheat under Eucalyptus tereticornis Sm. based agri-silvicultural system at farmer's field of Amaniganj block of Faizabad district. The -1 -1 average annual growth in tree height and dbh were 1.24 m and 0.89 cm tree yr , respectively. The light intensity recorded was maximum in open crop than under tree canopy. The results indicated that paddy grain yield was 14.7- -1 -1 19.7% less under tree canopy (1.99 t ha ) than open area (2.34 t ha ). However, under tree canopy, the wheat grain yield -1 (1.49 t ha ) was 26.4-34.6% lower than that of open cultivation. It is evident from the experiment that paddy tolerates little suppression of reduced light under tree canopy and does not face too severe decline in grain yield. On contrary, wheat being a strong light demander experiences relatively greater suppression in grain yield.

Keywords

Light Intensity, Eucalyptus Tereticornis, Wheat, Paddy, Tree Canopy.
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About The Authors

S.K. Verma
Department of Forestry, College of Horticulture & Forestry N.D. University of Agriculture & Technology, Kumarganj, Faizabad (U. P.)
India

B. S. Rana
Department of Forestry, College of Horticulture & Forestry N.D. University of Agriculture & Technology, Kumarganj, Faizabad (U. P.)
India


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  • Effect of Light Intensity on Paddy and Wheat Grain Yield under Eucalyptus Tereticornis Sm. Based Agri-silvicultural System

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Authors

S.K. Verma
Department of Forestry, College of Horticulture & Forestry N.D. University of Agriculture & Technology, Kumarganj, Faizabad (U. P.), India
B. S. Rana
Department of Forestry, College of Horticulture & Forestry N.D. University of Agriculture & Technology, Kumarganj, Faizabad (U. P.), India

Abstract


An investigation was under taken to monitor the performance of tree growth and crop yields of paddy and wheat under Eucalyptus tereticornis Sm. based agri-silvicultural system at farmer's field of Amaniganj block of Faizabad district. The -1 -1 average annual growth in tree height and dbh were 1.24 m and 0.89 cm tree yr , respectively. The light intensity recorded was maximum in open crop than under tree canopy. The results indicated that paddy grain yield was 14.7- -1 -1 19.7% less under tree canopy (1.99 t ha ) than open area (2.34 t ha ). However, under tree canopy, the wheat grain yield -1 (1.49 t ha ) was 26.4-34.6% lower than that of open cultivation. It is evident from the experiment that paddy tolerates little suppression of reduced light under tree canopy and does not face too severe decline in grain yield. On contrary, wheat being a strong light demander experiences relatively greater suppression in grain yield.

Keywords


Light Intensity, Eucalyptus Tereticornis, Wheat, Paddy, Tree Canopy.

References