The vaporized products diffused in the atmosphere are also subjected to photochemical reactions in the sunlight. They undergo photochemical decomposition, oxidation and reduction reactions. To some extent even CO2 is also reduced to formaldehyde as follows:
CO2 + H2O + 112,000 cal = HCHO + O2
From an environmental angle, the reduction of CO2 caused by yagna as explained above and the liberation of oxygen cannot be overemphasized. Similar kinds of other useful reactions take place in the presence of specific radiations from the sunrays. This may be perhaps the reason it has been recommended that yagna should be performed during sunlight.
4. Removal of Insects:
There are non-bacterial parasites like flies, ringworm, dice fleas etc., which are normally difficult to deal with since bacteriocides which can be used against them are also harmful to other living organisms. Such insects are generally immune to ordinary reagents. However they either get killed or are driven away when they come in contact with volatile oils like camphor, which are diffused in the environment during the performance of yagna.
5. Effects on Plants and Vegetation:
The disinfection of air is not only useful to animal life but it also helps plant life. The aromatic substances, which get diffused in the air through Agnihotra offer protection to plant life against harmful organisms. This ensures a healthy plant growth. Agnihotra’s atmosphere and ash can be used as adjuvants in the natural farming methods – also known as the agnihotra farming methods. It is a holistic concept of growing plants in pure and healthy atmosphere and balancing the ecological cycles by performing agnihotra (yagna) in the middle of the farm and using the yagna-ash as a fertilizer. Several experiments have been conducted in the East European countries on the use of yagna ash in soil treatment. These, too, have shown positive effects and potential applications in Agriculture.
6. Role of CO2 Generated in Yagna:
The wood and fossil burning in atmosphere is always controversial because of the generation of carbon monoxide and carbon dioxide and a consequent increase in the ‘green house’ effect. On this basis it can be argued that yagna also produces CO and CO2. It should be noted here that the way in which the samidhás are burnt in yagna is a process of slow combustion. It is not comparable to the burning of coal in the factories or household fire or running of steam engines etc, where oxygen is sucked in large quantities and CO2 is emitted likewise. In the slow combustion process that takes place in yagna, a small quantity of O2 is utilized and CO2 is emitted in a quantity that poses no threat to the environment. In fact whatever CO2 is generatedis readily absorbed by the surrounding plant life and vegetation and thus the CO2 cycle is strengthened.
Another important fact to be noted is that CO2 produced in yagna is not free CO2. It is mixed with the vapors of other aromatic oils and antiseptic products. It acts as a vehicle in transporting such products to the surroundings.
The use of CO2 as a cerebral stimulant to assist patients suffering from lack of ventilation is a common practice in the medical field. Its use in controlling and curing many mental disorders is also known to medical science. Small amounts of CO2 inhaled by the persons performing yagna act as a stimulant for inhaling more and more aromatic fumes which helps in curing mental disorders.