Evapotranspiration and water use efficiency of hybrid napier + berseem intercropping system under organic and inorganic nutrition
DOI:
https://doi.org/10.54386/jam.v14i2.1408Keywords:
Hybrid napier berseem, evapotranspiration, water use efficiency, crop coefficient, weighing lysimetersAbstract
An experiment was conducted during rabi seasons of 2009 and 2010 to assess the crop evapotranspiration of hybrid napier+berseem intercropping system using four weighing lysimeters under organic and inorganic nutrition. The estimated water use efficiency of the system shows that the maximum water use efficiency coincides with the second cutting and it was higher in case of organic as compared to inorganic nutrition. Cut wise water use efficiency of the intercropping system as a function of evapotranspiration under both situations showed a significant (P < 0.05) negative linear relationship. The crop coefficient value at each cutting interval has crossed the unit value (>1) and the highest value coincides with the first cutting in organic as well as inorganic situation.
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