In older days peoples cultivating the agriculture by using natural pesticides.Quality of the vegetables also very superb and then its very healthy to the people.on that days people are intake the food produced by naturally cultivation due to that life age is very longer.they does not cause by any disease.

       In older days they produced the fertilizer by grouping the cow wastages and dirty grains these are put in the one sunk they dump for a month and spread during the cultivation.but now a days most of them using the chemical fertilizer in the agriculture land.Because lag of rain the earth.It cause many types of disease and slow poisoning to the human body.These problems are facing by the new born babies with effect of low growth brain problems.