Which of the following vitamins are called fat-soluble

Which of the following primary tillage operation is used to invert the soil partially or completely?

Which of the following element is mobile in soil but immobile in plants? 

What is the term for the arrangement of soil particles into clumps or aggregates?

The Indian seed act was passed in the year

Factor responsible for the formation of Saline soils/White alkali is/are:

What chemical process results in the breakdown of silicate minerals by water, leading to the formation of clay minerals and soluble substances?

In terms of the order from youngest to the oldest soil, which one of the following is the correct chronological sequence?

What is the primary reason for the non-expanding nature of fine-grained micas within the 2:1-type minerals?

The water that is held mostly by soil colloids and it is mostly non-liquid or moves in vapour form, the soil water is termed as