primary productivity plants

Primary and Secondary Productivity - 'The amount of organic matter or biomass produced by an individual organism, population, community or ecosystem during a given period of time is called productivity'. Primary production refers to all or any part ..

'The amount of organic matter or biomass produced by an individual organism, population, community or ecosystem during a given period of time is called productivity..

It is the meristem that is present right from the embryonic stage and continues to be active throughout the life of a plant. It is responsible for primary growth in the plant body. It gives rise to the primary permanent tissues of the plant bod..

Primary xylem is the xylem that is formed during normal growth. It is a derivative of primary meristem. It occurs in both monocots and dicots. In the primary xylem, two types of xylem vessels can be distinguished, namely protoxylem and metaxylem...

There are two types of biogas plants in usage for the production of biogas. These are: The fixed- dome type of biogas plant The floating gas holder type of biogas plan..

Controlling the disease or developing resistant varieties is time consuming and subject to variations in heritability of resistance over generations. But, disease free plants could be grown through the technique of tissue culture in a very short span of time overcoming the seasonal barri..

In plants, breakdown of substances is much slower than in animals. Hence accumulation of waste is much slower and there are no special organs of excretion. Green plants in darkness or plants that do not contain chlorophyll produce carbon dioxide and water as respirato..

Introduction - The plants upon which we depend for the food we eat, and for the oxygen we breathe, depend in turn upon the soil. A good soil supplies the plants with the mineral elements they use. Vigorous, highly productive plants can be grown in solutions o..

Crop production can be improved by breeding new varieties of crops having higher yield. The main aim of plant breeding is to produce new crops superior to the existing one..