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

Arrange the Mohr and Van Baren recognized stages of soil development in correct order. A. Virile, B. Juvenile stage, C. Initial stage, D. Senile, E. Final.

Arrange the following minerals in a sequence of very low to very high weatherability. A. Zircon, B. Muscovite, C. Apatite, D. Olivine.

Match the LIST-I with LIST-II. LIST-I: A. Ammonium Chloride, B. Ammonium Nitrate, C. Urea, D. Ammonium Sulphate. LIST-II: I. 46.0, II. 33.5, III. 20.6, IV. 25.0.

Which one of the following is not included in Regolith?

The water that is held by the soil particles at a suction of more than \(-31\) bars is known as

Given below are two statements: Assertion (A): In soils of humid and sub-humid regions, the colloidal complexes are dominated by aluminium, hydrogen and calcium ions. Reason (R): Aluminium, hydrogen and calcium ions encourage dispersion and consequently they help to form aggregates.

In universal soil loss equation \(A=R\times K\times LS\times C\times P\), alphabet \(K\) denotes

Boron tolerance crops are A. Lemon, B. Blackberry, C. Cotton, D. Asparagus.

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