Research Article

Effects of Paper-Mill Sludge as a Mulch versus Topsoil Incorporation on Potassium Uptake and the Grain Yield of Rain-Fed Wheat in a High Specific Surface Loess Soil with Illite Dominance in Clay Fraction

Table 3

Tissue nutrient concentrations for shoot at harvest (%).

TreatmentNPKCaMg

N92P0K00.56c0.204d0.391d0.12d0.14a
N0P50K00.453e0.253a0.343e0.136bc0.11bc
N0P0K830.552c0.223bcd0.458c0.125cd0.105bc
N92P50K00.593b0.219bcd0.351e0.125cd0.115bc
N92P0K830.518d0.245ab0.707a0.141b0.155a
N0P50K830.602b0.232abc0.72a0.161a0.155a
N92P50K830.552c0.229abcd0.366de0.131bcd0.12b
I500.451e0.233abc0.281f0.135bc0.105bc
M500.519d0.222bcd0.365de0.135bc0.105bc
I1000.47e0.236abc0.292f0.135bc0.12b
M1000.68a0.24ab0.628b0.14b0.12b
N0P0K00.549c0.212cd0.38de0.12d0.12b

Means within the same column followed by the same letter are not statistically different at (Fisher’s LSD).