How did the rain affect the corn?

How does rain affect corn?

Flooding were the corn plant is not underwater: Excessive water can result in poor nutrient uptake (yellow plants from lack of N or a multitude of symptoms such as purpling due to lack of P) and can lead to root diseases such as pythium or crown rot.

Is rain bad for corn plants?

With parts of the region seeing rainfall levels up to 20 inches higher than their annual averages, wet weather has caused some major hassles for farmers of all types of crops. While plants need water, of course, excess amounts of rainfall can have a negative impact on yields.

Can corn get too much rain?

Excessive rainfall in some areas resulted in localized ponding and flooding of corn. … The oxygen supply in the soil is depleted after about 48 hours in a flooded soil. Without oxygen, the plant cannot perform critical life sustaining functions; e.g. nutrient and water uptake is impaired, root growth is inhibited, etc.

What effect did the rain have on the crops?

Rain can spread pathogens, pests, and other diseases to plants, leading to massive diseased crops. This could affect its yield or cause the entire field to become unusable.

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Does corn pollinate in the rain?

Pollen stands little chance of being washed off the silks during a rainstorm as little to none is shed when the tassel is wet. … Under good conditions, all silks will emerge and be ready for pollination within 3 to 5 days and this usually provides adequate time for all silks to be pollinated before pollen shed ceases.

How many inches of rain does corn need?

Corn fields require 20 to 24 inches (543,086 to 651,703 gallons of water per acre) of water to yield 150 to 200 bushels per acre. About two inches of water is held in every foot of soil. Corn roots can grow five to seven feet deep.

How much rainfall does corn get?


With dryland farming, corn is generally not grown in areas receiving less than 25 inches (60 cm) of annual precipitation. For high yields 18 to 20 inches (45 to 50 cm), or more, moisture should be available during the growing season.

What will happen when there is too much rainfall?

Heavy rainfall can lead to numerous hazards, for example: flooding, including risk to human life, damage to buildings and infrastructure, and loss of crops and livestock. landslides, which can threaten human life, disrupt transport and communications, and cause damage to buildings and infrastructure.

What happens to the soil when there is too much rainfall?

Excessive rains and our more-or-less steady temperature can leach out of the root zone. Leaching refers to the movement of dissolved materials downward through the soil through the action of percolating ground water.

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