science ncert
what does polutry gives us
Answers
Poultry is defined as domesticated birds reared by humans for their eggs, their meat or their feathers. The most common poultry birds are hen and duck which give us meat and egg.
Answer:
Improvement in Food Resources as the name suggests, deals with concepts of various techniques of improvement carried out in different aspects of food resources. Initially, the chapter, Improvement in Food Resources focuses on the improvement in crop yields. Here, different types of crops are explained like rabi crop and kharif crop along with their seasons and nutritional values. Three major groups of activities for improving crop yields are discussed:
Crop variety improvement
Crop production improvement
Crop protection management
The section, crop variety improvement, lays emphasis on various factors for which crop variety improvement is done. Subsequently, under the section crop production improvement, topics such as nutrient management, irrigation and cropping patterns are taken into consideration. Under this section of the chapter, Improvement in Food Resources, terms like manure and fertilizers and organic farming are described. Further, the concept of crop protection management is explained by discussing the importance of pesticides, herbicides, insecticides, fungicides etc. It also introduces students to the concept of organic farming. The next section of the chapter, Improvement in Food Resources deals with the concept of animal husbandry in detail. Here, the features of cattle farming, poultry farming, egg and broiler production, fish production and beekeeping are discussed in an extensive manner.
The following topics are covered in the chapter, Improvement in Food Resources -
Improvement in Crop Yields
Animal Husbandry
Explanation:
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