What is called Green Revolution?
Green revolution, great increase in production of food grains (especially wheat and rice) that resulted in large part from the introduction into developing countries of new, high-yielding varieties, beginning in the mid-20th century.
What is Green Revolution Question Answer?
Explanation: The Green Revolution in India refers to a period of time when agriculture in India improved due to the adoption of modern methods and technology such as high yielding variety seeds (HYV seeds). Hence, C is the correct option.
What is Green Revolution Ncert?
Answer: The introduction of High Yielding Varieties (HYV) of seeds and the increased use of fertilizers, pesticides and irrigation facilities arc known collectively as the Green Revolution, which resulted in the increase in crop yield needed to make India self-sufficient in food grain.
What are the main effects of green revolution?
Loss of soil fertility, erosion of soil, soil toxicity, diminishing water resources, pollution of underground water, salinity of underground water, increased incidence of human and livestock diseases and global warming are some of the negative impacts of over adoption of agricultural technologies by the farmers to make …
What is Green Revolution advantages and disadvantages?
Advantages of Green Revolution It allows agricultural operations on a large scale. The Green Revolution has brought farming to a massive scale. Crops are being grown on an industrial scale even by the smaller farming community. 2. It has the potential to be able to grow any crop anywhere.
Which food crop requires a lot of water?
The climate: in a sunny and hot climate crops need more water per day than in a cloudy and cool climate. The crop type: crops like maize or sugarcane need more water than crops like millet or sorghum. The growth stage of the crop; fully-grown crops need more water than crops that have just been planted.
How do you increase maize production?
Increasing planting density appropriately is one of the most effective strategies for increasing maize (Zea mays L.) yield. In China, overuse of nitrogen (N) fertilization on maize has resulted in excessive N surplus in the soil and environmental impacts.
Why do we need to increase food production?
Answer. Farmers worldwide will need to increase crop production, either by increasing the amount of agricultural land to grow crops or by enhancing productivity on existing agricultural lands through fertilizer and irrigation and adopting new methods like precision farming.
What do we need for food production?
To produce food, we must use large quantities of energy, in addition, on an ever-increasing scale. The reason that the need for energy is increasing is that more and more people move to the city and that the population is growing. Today, more than 50% of the world’s population lives in cities.
Do we produce enough food to feed everyone?
According to the Food and Agriculture Organization of the United Nations (2009a, 2009b) the world produces more than 1 1/2 times enough food to feed everyone on the planet. That’s already enough to feed 10 billion people, the world’s 2050 projected population peak.
What will agriculture look like in the future?
Future agriculture will use sophisticated technologies such as robots, temperature and moisture sensors, aerial images, and GPS technology. These advanced devices and precision agriculture and robotic systems will allow farms to be more profitable, efficient, safe, and environmentally friendly.