How Much Water Does Corn Plant Need?

Corn is one of the most widely grown crops in the world. In order for the corn to grow and mature properly, it needs just the right amount of water. Too little water and the plants won't grow properly or produce enough ears. Too much water and the roots may become waterlogged and eventually rot, killing the plant. So, how much water does corn plant need? Let's find out.

Corn Growth Stages

Before we can determine the water needs of corn, it's important to understand the growing stages of the plant. Corn goes through several stages of growth from planting to maturity. Here are the stages:

Germination: This is when the corn seed begins to sprout and grow roots. At this stage, water is crucial.

Seedling: The plant begins to grow above ground at this stage.

Vegetative: Corn begins to produce leaves and stem growth begins to accelerate.

Tasseling: This is when the plant begins to produce the tassel or the male flower.

Silking: This is when the plant produces the female flower or silk.

Grain fill: The kernels begin to fill out at this stage.

Maturity: The corn is ready to be harvested.

Water Needs at Each Stage

The amount of water corn needs varies depending on the stage of growth it's in. Here are some general guidelines:

Germination: The soil should be kept moist, but not waterlogged.

Seedling: Water the plants when the top inch of soil is dry. They need about an inch of water per week.

Vegetative: The plant needs about an inch of water per week. During hot, dry spells, it may need more water.

Tasseling: The plant needs about an inch of water per week. This is a critical stage for water because it's when pollination occurs.

Silking: The plant needs about an inch of water per week. This is also a critical stage for water because it's when the ears begin to develop.

Grain fill: The plant needs about an inch of water per week during this stage. If the corn experiences drought stress, it will affect the final yield.

Factors Affecting Water Needs

There are several factors that can affect the water needs of corn. These include:

Soil type: Sandy soils drain quickly and may need to be watered more frequently than clay soils.

Temperature: High temperatures cause the plant to lose water more quickly, which means it may need more frequent watering.

Humidity: Hot and dry conditions with low humidity can cause the plant to lose water quickly, which means it may need more frequent watering.

Rainfall: If there is adequate rainfall, you may not need to water as frequently. However, if there is too much rainfall, you may need to adjust your watering schedule to avoid waterlogged roots.

Plant density: If you plant corn too densely, the plants will compete for water and may not get enough water to grow properly.

Conclusion

Water is a critical component in corn growth and development. The amount of water corn needs varies depending on the stage of growth it's in and several other factors. By understanding the water needs of corn and monitoring the soil moisture, you can ensure that the plants get the water they need to grow and mature properly.