National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Shifting cultivation remains a dominant traditional agricultural practice in Mizoram, where soil fertility dynamics are strongly influenced by seasonal variation and fallow duration. The present study assessed seasonal and depth wise changes in soil pH, nitrogen (N), phosphorus (P), and potassium (K) under current jhum, short fallow, long fallow, and undisturbed forest systems in Nghalchawm, Mamit District, Mizoram. Results showed acidic soil conditions across all land use systems, with pH generally increasing with depth. Phosphorus was highest in current jhum sites due to ash deposition following burning, whereas undisturbed forest soils contained higher nitrogen and potassium, due to continuous litter input and nutrient recycling. Nutrient concentrations declined progressively with increasing soil depth. Long fallow systems demonstrated greater recovery of soil nutrients compared to short fallow systems, indicating improved soil restoration with extended fallow periods.
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