Author(s):

Dahule DD

Abstract: The present investigation entitled “potassium fractionation of mandarin growing soil of Katol tahsil of Nagpur” was conducted on farmer’s field at Katol tahsil, Dist. Nagpur during Kharif 2017-18. Seven locations viz., Niravha, Iratni, Botesari, Silli, Savangi, Salaidhaba and Baravha were selected to study the characteristics of soils under Nagpur mandarin. 35 surface soil samples (5 soil samples each from one location) were taken from 0-20 cm depth over the field of Nagpur mandarin orchards. The results revealed that the soil reaction of study area exhibited slightly alkaline in nature. In all locations, there is no much variations in electrical conductivity of soil and these soils are non-saline in nature. The values of soil organic carbon found (4.0–8.9 g kg^-1) comes under low to moderately high content. Soils under study area were low to medium in available nitrogen and available phosphorus in soils found to be low to moderately high. All the soils of Katol tahsil were found high to very high in available potassium status. The DTPA extractable micronutrients soils (Zn, Fe, Cu and Mg) in these were observed sufficient except Zn which was found deficit by 48.57 per cent among 35 surface soil samples.

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