Figure 2. The Bar diagram shows the seasonal variation of the concentration of N, P and K in the upper and lower layers of soils. (S1U, represents upper layer of soil at site 1 and S1L represents lower layer of soil at site 1)

From

Land Use Pattern Impact on Biogeochemistry of Soil in Auraiya District of Uttar Pradesh, India

Deepak Singh, Yogesh Kumar, Usha Mina

American Journal of Water Resources. 2019, 7(1), 30-41 doi:10.12691/ajwr-7-1-5