Question

Asha went to visit her grandfather in his village. He was having a serious
discussion with his fellow members regarding the productivity level of crops
for present year. They all were worried about how to increase the
productivity of crop Asha listened to this and then suggested to the group
that the reason may be decreased level of minerals in soil.
She told her grandfather to plant crops like pulses, gram, beans, etc., for a
year then follow with regular crops. This will increase the crop productivity?
(a) What will you name the process suggested by Asha? Why is there
decrease in crop productivity?
(b) What are noted benefits of this process? Will the results be as what
Asha expressed?
(c) What values are shown by Asha?

Answer 1

Answer:

a) this type of agriculture is called crop alteration

* decrease in productivity is due to single type of crop every year will make soil infertile due to same type of nutrient requirement

b) yes crop alteration that one year legumes and one year none legumes will ad nitrogen to the soil as legumes are nitrogen fixing plant

c) importance of soil fertility , and sustainable agricultural practise