Abstract
A field experiment was conducted at Nagarjun Medicinal Garden, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola during 2009-10 to determine suitable row proportion for pigeonpea + kalmegh intercropping system. Canopy temperature showed decreasing pattern with the advancement in age of the crop. Maximum thermal use efficiency (TUE) in pigeonpea and kalmegh was noticed with 2:1 (3.43 kg/ha/DºC) and 1:1 (0.72 kg/ha/DºC) row proportion. Dry matter and grain yield of pigeonpea recorded positive and negative correlation respectively with canopy temperature. While, herbage yield, seed yield and andrographoloide yield of kalmegh recorded positive correlation with morning canopy temperature and negative correlation with evening canopy temperature.
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