Potassium Dynamics under Sub Surface Drip Fertigation System on Banana cv. Rasthali

Potassium Dynamics under Sub Surface Drip Fertigation System on Banana cv. Rasthali

Banana demands very high quantity of potassium for its growth and development. It occupies an important place not only with regard to its content in plant tissues but also for its role in physiological and biochemical functions as many of the experimental results shown that adequate supply of potassium fertilizers not only increased the growth and yield of banana but also improved the quality of fruits, physiology of the plant and induce resistance against biotic and abiotic stresses. The soil sampling was done at emitting point (laterals placed at 25 cm depth of soil from surface) and 15 cm horizontally away from the emitting point of the same lateral. Similarly, the soil samples were also collected from 0-25, 25-50 and 50 -75 cm depth of profile (vertical) between the drippers in 24 hours after fertigation at flowering stage of the crop. The soil was air dried, powdered and passed through a 2 mm sieve and stored in clean polythene bags. The available potassium both in horizontal and vertical dimensions were mapped by using Surfer 7 software. The main aim of this study is to known potassium distribution at different depth in sub surface drip fertigation system in banana.

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