organic tomato 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..

It is the development of fruits without fertilization and formation of seeds or embryo. Therefore, the fruits are seedless. Auxins help in parthenocarpic development of fruits like guava, papaya, banana, orange and tomato which are seedles..

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

Soil Erosion - Land is also a precious resource. Land is needed for agriculture and occupation. Land is under pressure due to increasing population. Land for agriculture has to be fertile in order to be able to support a good crop. The fertility of land lies in the quality of th..

Embryo mortality and seed failure associated with embryo development are most common reasons for failure of interspecific hybridization due to incompatability. In such instances, fertilization and zygote formation may not suffer but embryo development does not take place and seeds are abo..

The organisms which contain functional genes which have been experimentally introduced by genetic engineering from another species are called transgenic organism or genetically modified organisms (GMOs). Present and future applications of transgenics. a. To produce tra..

The pH of the soil is very important for having proper crop yield. The soils get buffered due to the presence of salts such as carbonates, bicarbonates, phosphates and organic acids. The choice of fertilizers depends upon pH of the soi..

The word soil is derived from the Latin word solum meaning earthy material in which plants grow. The science which deals with the study of soil is called Soil Science, Pedology (pedos = earth) or edaphology (edaphos = soil). The process of formation of soil is called pedogenesis. A soil complex is..