Zoology

The Concept of Greenhouse Effect

The Concept of Greenhouse Effect

Introduction: Greenhouses can be divided into glass greenhouses and plastic greenhouses. Plastics mostly used are PEfilm and multiwall sheet in PC or PMMA. Commercial glass greenhouses are often high tech production facilities for vegetables or flowers. The glass greenhouses are filled with equip.....

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Freshwater Prawn Farming in Bangladesh

Freshwater Prawn Farming in Bangladesh

Freshwater prawn farming in Bangladesh: Introduction Bangladesh is considered as one of the most suitable country in the world for freshwater prawn (golda chingri) due to its climatic conditions. There are twenty-four species of freshwater prawn are found in Bangladesh. However only M. rosenbergi.....

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Agriculture Sector of Bangladesh

Agriculture Sector of Bangladesh

Executive Summary: My chosen topic was about the Agriculture of Bangladesh. This is one of the most important Economic sectors in our Bangladesh. In our country 80% people are related in the agriculture sector. From this agriculture sector our country earned   many foreign currency. Our country.....

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The Brown Planthopper

The Brown Planthopper

Introduction: Rice is the dominant staple food in Asia. About 175 species of insect feed on rice only 20 are considering as major pests including Brown Planthopper (BPH). The Brown Planthopper (BPH) Nilaparvata lugens (Stål) has become a number one threat to tropical rice production in many part.....

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Report on Detection of Seed Borne Fungi

Report on Detection of Seed Borne Fungi

ABSTRACT Occurrence of fungi in seeds of ten selected medicinal plants viz. Andrographis, Angle’s trumpet, Asparagus, Butterfly pea, Changeable rose, Devil’s cotton, Indigo, Jatropha, Licorice and Margosa tree were detected.  Inspection of dry seeds revealed that the seed samples contained a.....

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Report on Solar Radiation and Solar Cell

Report on Solar Radiation and Solar Cell

Solar Radiation The Solar Constant: The sun can be approximated as an emitter of blackbody radiation at temperature of 5777K [26]. The long-term average irradiance, that is specific power, from the sun outside the earth’s atmosphere amounts to 1367 W / m2. This value is referred to as the solar.....

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Report on Management of Fruit Fly

Report on  Management of Fruit Fly

INTRODUCTION Bangladesh is predominantly an agriculture based country. But it has a huge deficit in vegetable production. The annual production of vegetables is only 2.5 million tons, including potato and sweet potato (Anon.1993).The optimum requirement of vegetable for a full grown person is 285.....

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Medicinal Plant of Bangladesh

Medicinal Plant of Bangladesh

What is medicinal plant? “A medicinal plant is any plant which, in one or more of its organ, contains substance that can be used for therapeutic purpose or which is a precursor for synthesis of useful drugs.” This definition of Medicinal Plant has been formulated by WHO (World Health Organiza.....

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