Question

two harmful effects of paddy stubble burning on soil​

Answer 1

Explanation:

1. Air pollution due to crop burning in north India is set to fall sharply this year because of extensive use of technology to chop off farm stubble and mix it with the soil to make it more nutrient-rich, the Indian Council of Agriculture Research (ICAR) said.

2. The practice of stubble burning around October raises the concentration of particulate matter (PM) in the air to 1,000 micrograms per cubic metre, far outstripping the safety limit of 50 micrograms. This triggers a medical emergency in which people are advised to stay indoors and use masks outdoors.

Answer 2

Although stubble burning concept in farming is not new, wheat and paddy stubble farming has statistically increased since the introduction of mechanized combine farming in many districts of Uttar pradesh.

Two major Harmful effects of paddy stubble burning on soil is:

1. Statistically , The heat from burning paddy  penetrates 1 centimeter into the soil, elevating the temperature to 33.8 to 42.2 degree Celsius. This eliminates most of the bacterial and fungal organisms essential for a fertile soil.
2. Also, the soil is much prone to diseases as burning of crop kills the good , helpful organisms and the amount of harmful pests increase.