Why should excessive water supply for plants avoid?

Why should excessive water supply for plants avoid?

Excessive supply of water to the plants be avoided because every plant has its own needs of water and if the water will be more from that need, the plant may not grow properly or can even die.

What are the harms of excess of water in the field?

Excess water cause water logging conditions, soil may be ill drained and causes following harmful effects. In low lying areas excess water if cannot be carried away as surface runoff causes water logged condition which affects aeration and soil temperature.

What happens if there is too much water in the soil?

Overwatering, in simple terms, drowns your plant. Healthy soil allows for oxygen to exist in the space between particles of soil. If there is too much water or the soil is constantly wet, there is not enough air pockets. This results in a limited oxygen supply and plants are not able to breathe.

Why should excessive supply of water to plants avoided Class 8?

Answer: Excessive supply of water to plants should be avoided because roots get damaged and the plants die. Therefore, they float on water.

How are pests controlled in a crop field Class 8?

Pests can be controlled by pesticides which are poisonous chemicals. Pesticides kill pests as well as their eggs and larvae but do not affect the plants.

Which of the following crops require very little water?

Answer: These include cool-season legumes such as peas, lentils and fava beans, and the crucifer crops: Brussels sprouts, cabbage, cauliflower, collards, kale, kohlrabi, mustard, broccoli, turnips and watercress. Sweet corn and lettuce are shallow-rooted and don’t do well without a lot of water.

Why is excessive irrigation harmful to the crops short answer?

Water is very important for the growth of plants but excessive irrigation of field leads to water logging of soil. Too much water is the soil inhibits the process of germination of seeds. It due to the reason that under these conditions the seeds do not get sufficient air to respire.

What are disadvantages of excess irrigation?

1) The excessive irrigation may lead to lodging of the crop, may fall on the ground under the effect of strong winds. 2) Due to excess water the roots of the plant may not be able to provide necessary anchorage in the wet soil.

What are the disadvantages of irrigating fields by traditional ways?

Disadvantages of Traditional Methods of Irrigation:

• Due to seepage in drains, wastage of water is caused.
• Machines cannot be used m this method because during spray of insecticides or fertilizers, the earthen walls of basins are damaged.
• There IS imbalance in distribution of labour.
• Creation of problem of water logging.

Why is too much water bad for you?

When you drink too much water, your kidneys can’t get rid of the excess water. The sodium content of your blood becomes diluted. This is called hyponatremia and it can be life-threatening.

Why does farmer rotate crops in the field?

Crop rotation is the practice of planting different crops sequentially on the same plot of land to improve soil health, optimize nutrients in the soil, and combat pest and weed pressure. For example, say a farmer has planted a field of corn.

Can you name some crops that require less amount of water class 8?

Crops that need very little amount of rainfall or irrigation to grow are called drought resistant varieties of crop. Sorghum, pearl millet, chickpea, groundnut, etc.