Page 140 - Ilmu Tanah Book
P. 140

The Chemistry and Fertility of Soils under Tropical Weeds   127



                                                         A                                AP
                                                         G

















                                                         W                                PC















                                                         PP
                                                               AG = Asystacia gangetica
                                                               AP = Arachis pintoi
                                                               W = Widelia sp.
                                                               PC = Paspalum conjugatum
                                                               PP = Pennisetum purpureum











                                         Fig. 7.5.  Several weeds employed in the experiment.


                                                          Abdul Kadir Salam and Nanik Sriyani  – 2019
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