Study of Physical Properties of Soil
1)The soil pH is an indication of _______

2)The majority of plants prefer a very slightly acidic pH of around ________.

3)A sample soil consists of 12% clay, 55% sand and 31% silt. Find the textural class of the soil using textural triangle.

4)Which type soil has particle size 0.05–2 mm?

5)Which particle is the smallest in size?

6)What is the use of the soil texture triangle?

7)A productive soil contains approximately 46% mineral matter, 4% organic matter, 25 % water and 25% _______.

8)"Soil texture" refers to _______________.

9)An ideal soil should contain _______.

10)What is the soil classification system based on?