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