Author(s):

AK Srivastava, Mahesh C Jerai, NK Pandey and Dhiraj Kumar

Abstract: Potassium (K), an essential macronutrient taken up by the plant in very large quantities, plays a fundamental role in plant physiology and biochemistry and activates more than 60 enzymes, has a direct function in protein synthesis, exerts an outstanding influence on plant water relations and is essential in the process of growth and development of cells. Potassium also plays a major role in photosynthesis in both the light and dark reactions culminating in the formation of sugar via the reduction of carbon dioxide. The present experiment was carried out to assess the feasibility Potash use in cabbage production in Dhanbad district. The on farm trial was conducted in 10 location in the district in different farmers field, because the demand of the cabbage is very high and the yield is very low. The yield and B:C ration is higher in case of technology option 4 in which split doses of potash is used as compared to no use and recommended dose of potash. Therefore, split dose of potash is recommended in cultivation of cabbage.

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