organic fertilizers information

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..

1) An insecticide from neem Azadrachta indica has been developed in the USA as a dust and spray. 2) A safe herbal pesticide has been developed from garlic and chillies in pune -maharashtra. 3) Scientists at CDRI in lucknow have developed biocide from the micro-organism Bacillus sphacricu..

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..

Cloning of Organisms - Two or more individuals with identical genetic make up formed from one parent by asexual reproduction are called clones. For example, daughter plants produced by strawberry runners and whole plants produced by tissue culture are clones. Similarly, the individuals fo..

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..

Do Organisms Create Exact Copies of Themselves? - Organisms look similar because their body designs are similar. If body designs are to be similar, the blue prints for these designs should be similar. Thus, reproduction involves making copies of the blueprints of body design. Th..

A Social Organization invited two schools to participate in a function. The number of students attended from each school are shown in the table. Choose the matrix which shows the information about total number of students (boys and girls) attended from each grade. => ( 30 33 30 ..

All the cells of an organism receive the complete set of genes (total information) present in the fertilized egg through mitotic divisions. However, cells of an early embryo lose the potential for the expression of all the genes through the processes of induction and r..

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