Residual soil acidity is a measure of the _____.

a. aluminum and hydrogen bound to the charge of the clay and humus surfaces
b. aluminum and hydrogen ions attracted towards the charge of the clay and humus surfaces
c. hydrogen ion activity in the soil solution


Ans: a. aluminum and hydrogen bound to the charge of the clay and humus surfaces

Trades & Technology

You might also like to view...

What is the distance between SDL4 and SDL5?

Refer to Drawing Numbers T6592ML R0, T6593ML R0, and T6594ML R0.

Trades & Technology

The design of a voltage divider begins with choosing the size of the bleeder resistor so that it will draw at least ____% of the load current.

a. 10 b. 20 c. 30 d. 40

Trades & Technology

A defective outer CV joint will usually make a ________

A) Growling noise B) Clunking noise C) Clicking noise D) Rumbling noise

Trades & Technology

How is net stack temperature determined?

What will be an ideal response?

Trades & Technology