| In a study on remediation of soil fertility and biodiversity of soil biota affected lowland area planted with various tree species, a site located near Ek-kasatsoontorn reservoir area at Bann Somsanouk, Amphur Borabue, Mahasarakam Province, Northeast of Thailand was selected as the experimental area which 17 tree species were planted. The study site was divided into three zones according to its land slopes as zones I, II and III. The study on remediation of soil fertility in each study zone was done by collecting soil samples at 0-20 cm. soil depth at the ground around plant stems of Manila Tamarind (Pithecolobium dulce) and Common Ironwood ( Casuarina equisetifalia) and between. Sample soil were assessed for organic matter and essential elements (N,P,K)... |
