Browsing by Author "ANNY, MAHBUBA ALAM"

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    UTILIZATION OF AVAILABLE ONLINE-BASED ORGANIC FERTILIZERS ON THE VEGETATIVE GROWTH OF WATER SPINACH
    (Hajee Mohammad Danesh Science & Technology University, Dinajpur-5200, Bangladesh, 2023-12) ANNY, MAHBUBA ALAM
    The experiment was conducted at the shade besides Academic building-1 of Hajee Mohammad Danesh Science and Technology University, Dinajpur-5200, from November 2022 to March 2023 to study the utilization of available online-based organic fertilizers on the vegetative growth of water spinach. The experiment was laid out Completely Randomized Design (CRD) with 8 treatments and 3 replications. A total of 24 experimental pots were used. Every treatment used as 1% Kg-1 soil. There were eight treatments as follows: T1 = Control (only soil), T2 = 1% Bonemeal Kg-1 soil, T3 = 1% Cowdung Kg-1 soil, T4 = 1% Neem cake Kg-1 soil, T5 = 1% Oyster shell powder Kg-1 soil, T6 = 1% Cocopeat Kg-1 soil, T7 = 1% Vermicompost Kg-1 soil, T8 = 1% Egg shell powder Kg-1 soil. The results showed that the vegetative growth and yield attributing components such as plant height, number of leaves plant-1, fresh shoot biomass, dry shoot biomass, fresh root biomass, dry root biomass responded significantly except plant and no of leaves at early stages due to the application of available online based organic fertilizers. The highest values of different parameters such as plant height (12.40 cm) in T5 treatment at 50 DAS considered as best time of economic yield, fresh shoot biomass (30.95 g) and dry shoot biomass (4.64 g) in T6 treatment due to 1% cocopeat Kg-1 soil application, fresh root biomass (2.27 g) and dry root biomass (0.34 g) was obtained in T3 treatment where 1% Cowdung Kg-1 soil were applied. The lowest results were found in the control treatment (T1). A significant increase in the N contents in leaves, shoots and roots as well as their uptake were observed due to the different treatments. Treatment T6 performed the highest yield as a result of 1% cocopeat Kg-1 soil application. Treatment T5 composed of 1% Oyster shell Kg-1 soil gave the highest post-harvest soil pH and available S. The highest total N, available P, exchangeable K and OC noticed in T7 (0.04), T2 (25.30), T6 (0.19) and T4 (0.97), respectively might be better for sustainable soil health for growing crops. Overall result suggested that incorporation of 1% cocopeat Kg-1 soil can be better for cultivation of Water spinach in respect to higher yield response and might be efficient cultivation.