Biology, asked by kajay758972, 9 months ago

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Answered by sachidaluitel3
0

Answer:

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Explanation:

1. ans

Animal husbandry is the art of rearing animals for getting milk, skin, hides and horns and using them on the farms for agricultural purposes. Ox, he-buffalo and camel are used as draught animals in performing activities like ploughing, sowing, thrashing and transporting farm products.Cow, she-buffaloes and goat provide us milk. Animal husbandry is, thus, an integral part of crop farming and contributes to the nutritional supply of the people. It also enhances the income and provides profession to many others. Thus, it balances development of rural economy.

3. ans

Types of crops based on the season are :

1. Kharif crops : Paddy, maize

2. Rabi crops :  Wheat, gram

6. ans

Nitrogen fixation, any natural or industrial process that causes free nitrogen (N2), which is a relatively inert gas plentiful in air, to combine chemically with other elements to form more-reactive nitrogen compounds such as ammonia, nitrates, or nitrites.

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Answered by nirupamavelamala
1

Answer:

Explanation:

1.Animal husbandry is the branch of agriculture concerned with animals that are raised for meat, fibre, milk, eggs, or other products. It includes day-to-day care, selective breeding and the raising of livestock. ... Insect farming, as well as aquaculture of fish, molluscs, and crustaceans, is widespread.

2.Traditional Irrigation Methods

Moat. Also called the pulley system, it involves pulling up water from a well or other such source to irrigate the land. ...

Chain pump. A chain pump consists of two large wheels connected by a chain. ...

Dhekli. It is a process of drawing water from a well or such similar source. ...

. Rahat.

3.The two categories of crops based on season are Rabi crops and Kharif crops .

(i) Rabi crops :- These crops are gown in rabi season i.e. in winter season , these crops are grown in October/November and they are harvested in March/April. example of rabi crops are wheat, pea etc.

(ii) Kharif Crops :- These crops are grown in Khraif season i.e. at the beginning of monsoon season, these crops are grown in June/July and they are harvested in September/October. example of kharif crops are rice(paddy), maize, cotton etc.

4.The advantages of drip irrigation are: Fertilizer and nutrient loss is minimized due to a localized application and reduced leaching. Water application efficiency is high if managed correctly. ... Recycled non-potable water can be safely used. Moisture within the root zone can be maintained at field capacity.

5.Lightning

6.

Nitrogen fixation is a process by which molecular nitrogen in the air is converted into ammonia (NH. 3) or related nitrogenous compounds in soil. Atmospheric nitrogen is molecular dinitrogen, a relatively nonreactive molecule that is metabolically useless to all but a few microorganisms.

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