Soil and water

Question 1 of 10

Sodic soils can be reclaimed by applying

Question 2 of 10

Soil acidity can be corrected by

Question 3 of 10

Leaching is the

Question 4 of 10

The arrangement of soil particles into aggregates is soil

Question 5 of 10

The water held at field capacity minus that at permanent wilting point is

Question 6 of 10

Which soil holds the most water?

Question 7 of 10

Water held between soil particles and available to plants is

Question 8 of 10

The removal of excess water from waterlogged soils is

Question 9 of 10

Supplying water to crops artificially is

Question 10 of 10

Surface runoff increases when