Fertility map and horizontal soil potassium status of north-eastern region of Haryana
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Abstract
Considering soil fertility evaluation of any area for sustainable production, an experiment was conducted to investigate the horizontal soil potassium status (K) of the soil surface of north-eastern region of Haryana. The study indicated that available K of surface soil samples ranged from 44 to 867 kg/ha with a mean value of 148 kg/ha
in Ambala district. In panchkula district it ranged from 44 to 865 kg/ha with a mean value of 138 kg/ha where as in Yamunanagar district K content varied from 62 to 441 kg/ha with a mean value of 147 kg/ha. Maximum K deficient samples were observed at Panchkula district that is 60.5 % followed by Yamunanagar and Ambala, 36.3 and 30.2 % respectively with an overall 41.3% K deficient samples. In case of Ambala 62.8% soil samples were mediumin K fertility and in case of Yamunanagar 52% soil samples were medium in K fertility. Nutrient index value for K was found 1.77, 1.76 and 1.47 in Ambala, Yamunanagar and Panchkula districts, respectively. On the basis of available surface soil K status a horizontal fertility map was prepared using GPS data. K fertilization is strongly suggested with recommended dose to check further depletion of soil available K of the surface layer.
Article Details
Article Details
Fertility map, K status, Nutrient index value, Soil
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