Page 149 - Ilmu Tanah
P. 149

136   The Chemistry and Fertility of Soils under Tropical Weeds



                           22.  How  does  the  RSR  of  weeds  affect  the  K  release  in  infertile  or  contaminated  soils?
                              Explain!
                           23.  What  are  the  effects  of  heavy-metal  containing  waste  on  the  RSR  of  weeds?  What
                              happen if lime or organic matter is added into the contaminated soils?





























































                           Abdul Kadir Salam and Nanik Sriyani – 2019
   144   145   146   147   148   149   150   151   152   153   154