???????????? ??????? ???????? ????? ????? ????? ???????????? ??????? ???? ????? ??? ?????? ??? ??????? ??? ??? ???????????? ??????? ?????? ?????????? ??? ??? ???????? ???????? ??? ????, ???? ?? ?????? ??? ???????? ??????? ?????? ????Not following proper sampling and handling methods can contaminate or change the soil sample, leading to unreliable t