The process of covering soil surface with materials like plant residues is called mulching What are ...........

Geography Agriculture

The process of covering soil surface with materials like plant residues is called mulching. What are the uses of mulching?

1. Reduces the evaporation

2. Reduces the soil erosion

3. Reduces the weed growth

4. Reduces the fertilizer consumption.

Select the correct answer using the code given below:

2,3 and 4 Only

1 and 3 Only

1,2 and 3 Only

All of the above

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Explanation:

Mulching: Any material used (spread) at surface or vertically in soil to assist soil and water conservation and soil productivity is called much.
When soil surface is covered with mulch helps to:
a. prevent weed growth,
b. reduce evaporation and
c. Increase infiltration of rain water during growing season.
d. The water infiltrated in soil can be utilized by crops there by crop yields are increased.
e. Mulches obstruct the solar radiation reaching to soil.
f. Improving soil aggregation and suability.
g. Mulch slows (reduce) velocity of runoff
h. Reduce erosions by wind and water is an important reason for using mulches in dry regions.
i. Increase water content and lower the evaporation.
j. Decrease soil temperature while clear plastic mulches increase soil temperature.
k. Decompose the mulching material and make it as manure so reduces the amount of fertilizer required.