Question

why we use tractor driven cultivator for ploughing now a day?
please answer the question in short
can u answr so pls ansr these 4 questions also.. vry helpful 4 u.. thank u​

Answer 1

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HERE IS UR ANSWER

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1. All viruses that spread within their host tissues (systemically) can be transmitted by grafting branches or buds from diseased plants on healthy plants. Natural grafting and transmission are possible by root grafts and with parasitic dodder (Cuscuta species). Vegetative propagation often spreads plant viruses.
2. wheat,barley are two examples of agricultural crops.
3. Agriculture is the practice of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to live in cities. The history of agriculture began thousands of years ago. 
4. A crop is a plant or animal product that can be grown and harvested extensively for profit or subsistence. Crops may refer either to the harvested parts or to the harvest in a more refined state. Most crops are cultivated in agriculture or aquaculture. A crop may include macroscopic fungus, or alga
5. Ploughing causes ventilation of soil and makes it suitable for the growth of small organisms living in it. ▸ Cultivator: Nowadays ploughing is done by a tractor driven cultivator. The use of cultivator saves labour and time

Answer 2

Answer:

All viruses that spread within their host tissues (systemically) can be transmitted by grafting branches or buds from diseased plants on healthy plants. Natural grafting and transmission are possible by root grafts and with parasitic dodder (Cuscuta species). Vegetative propagation often spreads plant viruses.

wheat,barley are two examples of agricultural crops.

Agriculture is the practice of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to live in cities. The history of agriculture began thousands of years ago.  

A crop is a plant or animal product that can be grown and harvested extensively for profit or subsistence. Crops may refer either to the harvested parts or to the harvest in a more refined state. Most crops are cultivated in agriculture or aquaculture. A crop may include macroscopic fungus, or alga

Ploughing causes ventilation of soil and makes it suitable for the growth of small organisms living in it. ▸ Cultivator: Nowadays ploughing is done by a tractor driven cultivator. The use of cultivator saves la

Explanation: