Question
Which of these marketing systems was prevalent in the
ancient times?Solution
The barter system, where goods and services were exchanged directly without the use of money, was prevalent in ancient times. In this system, people traded goods they had for goods they needed, and there was no standardized medium of exchange like modern currency.
The Only nutrient whose form is available as both anion and cationic form is
 The root nodule of legumes contain a pink pigment which has affinity for oxygen is
Example of igneous rock is
Which of the following property of soil can’t be changed by any means?
Which of the following element is mobile in soil but immobile in plants?Â
…………………..measures the proportion of cation exchange sites occupied by sodium.
The ESP of saline soils is _____%
What is the color of the tag used for certified seed?
In water logged soils maximum microbes found are
Flooding is the method used for the reclamation practice in which of the problematic soil?