When there is no rain and the crop fail What can happen?

Why is rain important for farmers?

The amount of rainfall is sufficient to cover the water needs of the various crops. Excess water may cause problems for plant growth and thus drainage is required. 2. … The amount of rainfall is important but often not sufficient to cover the water needs of the crops.

What happens during a drought?

During a drought, there is so little rain that an entire region can start to dry out. When little or no rain occurs, plants and crops can die because the soil is too dry for them to grow. When rainfall is less than normal for several weeks, months, or even years, water levels start to fall dramatically.

What would happen if water only evaporate and it did not rain?

If there was no evaporation the ocean stays blue but the land turns brown. Heat from the sun causes water to evaporate into a water vapor, a gas. … … Water would accumulate in the streams, and rivers and runoff into the ocean. Water would not cycle back up into the atmosphere and it would not rain.

What would happen to a pond ecosystem if there were no rainfall?

If there was no rainfall the pond ecosystem gets affected thoroughly because no rainfall can also lead to drought which affect the organism living in the pond a lot it wisely lead to there death too. this leads to the decrease in ecosystem.

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How is farming affected if there is no rain?

Access to sufficient water supplies is essential for successful and sustainable farming. Without water, crops die, farmers lose their income and people go hungry. There are two types of cropping systems namely irrigated and rain-fed.

How does rain affect crops?

Excessive rainfall can affect crop productivity in various ways, including direct physical damage, delayed planting and harvesting, restricted root growth, oxygen deficiency and nutrient loss, the researchers said.

Why do crops need rain?

Rain contains nitrates—an important macro-nutrient.

Rainwater contains nitrate – the most bio-available form of nitrogen. Nitrogen is one of the three key macro-nutrients that plants need to thrive–necessary for the development of lush foliage. … Plants typically absorb most of their nitrates from the soil.

What causes lack of rainfall?

Droughts are caused by low precipitation over an extended period of time. Atmospheric conditions such as climate change, ocean temperatures, changes in the jet stream, and changes in the local landscape are all factors that contribute to drought.