EFFECTS OF ORGANIC MANURES ON THE GROWTH AND YIELD OF MALABAR NUT (JUSTICIA ADHATODA L.)

S RAHMAN, KN NISHI, M MUSLIM, MK RAHMAN

Abstract


A pot (7 kg soil/pot) experiment was carried out to evaluate the growth
performance of malabar nut (Justicia adhatoda L.) as influenced by different
organic manures. Manures were (a) ACI, (b) FDA, (c) GTS, (d) Green life, (e) Kaji,
(f) Majim, (g) Shebok, (h) Shufola, (i) Cowdung, and (j) Water hyacinth, applied
at the rate of 10 ton/ha. There were eleven treatments and three replications. Pots
were arranged in a completely randomized design (CRD). To evaluate the
growth performance viz. height, leaf number, leaf area, and leaf area index, girth,
and branches were recorded at 15 d intervals up to harvest. Plants (90 d old)
were harvested as root, stem, and leaf. Fresh and dry weights of root, stem, and
leaf were recorded. The highest height (80.90 cm), leaf number (28.70 no./plant),
leaf area (175.77cm2/plant), leaf area index (0.462) were observed in water
hyacinth. The lowest height (42.20 cm), leaf number (13.70 no./plant), leaf area
(45.58 cm2/plant), and leaf area index (0.12) were recorded in control. Maximum
fresh and dry weights (root, stem, and leaf) were 129.19 g/plant and 57.97 g/plant
found in water hyacinth, respectively. Results concluded that the overall growth
and yield were achieved better in water hyacinth manure.


Keywords


Growth and yield, Organic manures, Malabar nut

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Dhaka University Journal of Biological Sciences ISSN 1021-2787 (Print) 2408-8501 (Online)