List of top Agricultural Science Questions on Soil Science & Agricultural Chemistry

The average cation exchange capacity (CEC) value of Montmorillonite clay mineral is [cmol(p$^{+}$)/kg].

The C:N ratio of the upper 15 cm of arable lands ranges from ........

What is the critical value of deficiency of zinc in Indian soils?

In the universal soil loss equation A=RKLSCP, letter 'K' denotes for-

Match the LIST-I with LIST-II \[ \begin{array}{|l|l|} \hline \textbf{LIST I (Liming materials)} & \textbf{LIST II (Neutralizing value of CCE \%)} \\ \hline A. \ \text{Calcium oxide (CaO)} & I. \ 86 \\ B. \ \text{Calcium hydroxide [Ca(OH)$_2$]} & II. \ 108.7 \\ C. \ \text{Dolomite [CaMg(CO$_3$)$_2$]} & III. \ 136 \\ D. \ \text{Basic slag (CaSiO$_3$)} & IV. \ 179 \\ \hline \end{array} \]