non organic fertilizers

The fertility of the topsoil can be restored by taking the following measures. a) Regular use of manures and fertilizers can replenish the minerals used by the crops. Green manuring can also be done. b) Crop rotation should be practiced c) New techniques of applying water benea..

The farm yard manure or organic manure or bio fertilizers and inorganic fertilizers supply the necessary plant nutrients to the soil. Thus, application of such materials increases the nutrient value of the soi..

Pesticides, detergents, chemical dyes and other industrial chemicals and their waste constitute synthetic organic compounds. When present in water, these chemicals can act as toxic poisons for plants, animals and humans. Such chemicals enter the hydrosphere either by usage, by accidental..

Ethanol reacts with organic acids to form esters. This process is known as esterification. Unlike neutralization, this is a reversible, non-ionic and slow process carried out in the presence of a dehydrating agent like concentrated sulphuric acid..

Some bacteria are known to fix the atmospheric nitrogen for their own biological activity. This natural phenomena is commercially utilized to increase the nutrient supply to crops. There are two types of nitrogen fixing bacteria. They are a) Symbiotic N 2 fixing bacteria - well known example of thi..

. Neo-Darwinism attempts to explain evolution in terms of genotypic variations, natural selection and isolation. The occurrence of organic evolution is established by the innumerable evidences that are available from the different branches of biology. The study of extinct organisms..

The human body continuously attempts to maintain homeostasis by counteracting harmful stimuli in the environment. These stimuli are mostly disease - causing organisms called Pathogens or their toxin..

The human body continuously attempts to maintain homeostasis by counteracting harmful stimuli in the environment. These stimuli are mostly disease - causing organisms called Pathogens or their toxins. Innate immunity consists of all those defense elements with which an individual is born ..

Green manuring is the practice of growing and ploughing in, the green crops, into the soil. It is a cheap and effective method that increases soil fertility as it can supplement farmyard and other organic manures and is more cost effective. Green manures add nitrogen and o..

(Embryology) It is the study of early life history of individual organisms from the fertilized egg to the adult stage (Ontogeny..