Abstract
The field experiment was carried out at the Dusty Acres Farm, Jawaharlal Nehru Krishi Vishwa Vidyalaya (JNKVV), Jabalpur, Madhya Pradesh to study the effect of integrated nutrient management for growth and yield of Withania somnifera (L.) Dunal (Variety: Jawahar Ashwagandha-134). Tallest plants (49.35 cm) were observed at harvest stage, whereas higher number of branches per plant (5.78) of W. somnifera was observed at 90 DAS with T11, respectively. The mean number of leaves per plant (125.40) and LAI (10.345) of W. somnifera was higher at 90 DAS with T11. Mean CGR was maximum (2.536 g m-2 week-1) and mean RGR was highest (0.098 gg-1 day-1) of W. somnifera at 90 DAS and thereafter decline at 120 DAS and harvest stage with T11. Whereas, mean dry matter (1392.60 kg/ha) production of W. somnifera was higher at harvesting stage of crop with T11. Significantly higher mean root length (16.30 cm), root girth (2.26 cm) and mean dry root yield (612.8 kg/ha) of W. somnifera was recorded under T11 than the rest of treatments. Mean number of berries per plant (30.78) and mean number of seeds per berry (194.17) of W. somnifera were significantly higher under T11. Higher mean seed yield (62.6 kg/ha) and harvest index (43.61%) of W. somnifera was observed under T11 as compared to other treatments. Therefore, 100% recommended dose of NPK through fertilizers along with vermicompost (2.5 t/ha), FYM (5.0 t/ha) and ZnSO4 20kg/ha (T11) followed by 50% recommended dose of NPK through fertilizers along with vermicompost (2.5 t/ha), FYM (5.0 t/ha) and ZnSO4 20kg/ha (T14) and 100% recommended dose of NPK through fertilizers along with vermicompost (2.5 t/ha) and ZnSO4 20kg/ha (T10) were found to be better integrated nutrient management for the cultivation of W. somnifera.
Highlights
Withania somnifera (L.) is generally or locally named as ashwagandha, it is an important medicinal plant and generally used as a home remedy against numerous diseases in India as well as other parts of the world (Owasis et al, 2005)
The field experiment was carried out at the Dusty Acres Farm, Jawaharlal Nehru Krishi Vishwa Vidyalaya (JNKVV), Jabalpur, Madhya Pradesh to study the effect of integrated nutrient management for growth and yield of Withania somnifera (L.) Dunal (Variety: Jawahar Ashwagandha134)
There was a significant difference in the mean leaf area index (LAI) per plant of W. somnifera was recorded at all growth stages of crop (Figure 4) under different treatments
Summary
Withania somnifera (L.) is generally or locally named as ashwagandha, it is an important medicinal plant and generally used as a home remedy against numerous diseases in India as well as other parts of the world (Owasis et al, 2005). In the use of organic manures along with inorganic fertilizers improve physico-chemical and biological properties of soil and provides all the nutrients in available form to crop plants, which enhance growth and yield of W. somnifera.
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