PJB-1988-5
Relationships between plant communities and soil conditions in nasirabad and sibi districts , baluchistan, pakistan
S.A. KAYANI , A.K. ACHAKZAI
, T. AHMED AND S.A. QADIR
Abstract
Twenty stand s f of vegetation were sampled in nasirabad and sibi districts . importance value of each species of three i.e. trees , shubs and herbs/grass layers was calculated. On the basis of similarity indices 9 plant communities associated with fine to coarse textured and moderate to strongly calcarious soils were
recognized. These soils were generally very low in CO3 and HCO3. Salt free to strongly saline and sodium free to strongly sodic. Importance values of dominant plants and soil characteristics indicated that suaeda fruticosa , tamarix indica, cynodon
dactylon and desmostachya bipinnata
were positively correlated with ESP, Cl- and
Ca+ Mg++ contents. C. dactylon was
positively correlated with sand , D. bipinnata with electrical conductivity and panicum repens with amount of silt and negatively correlated with electrical conductivity.
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