Fig. 2. Mehlich-3 extractable soil P concentration as a function of mixing 0- to 5- and 5- to 20-cm depth samples in ratios of 4:0, 3:1, 2:2, 1:3, and 0:4.
Fig. 2. Mehlich-3 extractable soil P concentration as a function of mixing 0- to 5- and 5- to 20-cm depth samples in ratios of 4:0, 3:1, 2:2, 1:3, and 0:4.