Soil Testing and Its Significance

Q. Which among the following are man-made processes for the replenishment of soil nutrients?

1. Rotational cropping
2. Death and decay of organisms
3. Adding organic manure
4. Addition of chemical fertilisers

Q.

Question 33
Arrange these statements in correct sequence of preparation of green manure.

(a) Green plants are decomposed in soil.

(b) Green plants are cultivated for preparing manure or crop plant parts are used.

(c) Plants are ploughed and mixed into the soil.

(d) After decomposition it becomes green manure.

Q. What is the need and importance of soil testing from the point of view of farmers?

Q. Which of the following is/are correct statement(s) regarding soil testing?

1. Soil is tested to determine if there is a deficiency of any ingredients
2. Soil is tested to decide what measures should be taken to remove the deficiency
3. All of the above
4. The soil sample collected for testing is dried in an open space in the shade for eight to ten days. It is then sifted through a sieve

Q. __ is the method of culturing plants in a soil-free, defined mineral solution

Q. During soil testing, the soil is examined for which of the following?

1. colour
2. texture
3. the proportion of organic matter in it
4. All of the above.