Variations in Soil Nitrogen Availability and Crop Yields under a Three-Year Annual Wheat and Maize Rotation in a Fluvo-Aquic Soil.

The Interaction The ANOVA results ( Table 1 ) show that soil depth, year, treatment, and their interactions all had significant or highly significant differences in SOC, TN, C/N, AP, AK, NO 3 − N, and NH 4 + -N, but not in AN. 2.2.

also in 132,142 other papers