How much water do corn plants require?

Does corn plants need a lot of water?

High yielding corn requires approximately 22 to 30 inches of water per year depending on planting date, planting density, maturity group, location, and weather conditions. Corn requires the most water during the early reproductive growth stages (Table 1), which are also the most sensitive stages to water stress.

How many gallons of water does a corn plant need?

Though, how much water is used to make a pound? A high-yielding corn crop uses about 600,000 gallons of water per acre.

Should I water corn every day?

Sweet corn needs ample water from germination to harvest, but the most critical period for water is about 2 weeks before silks form. Aim for 1 inch of water per week, and supplement natural rainfall with irrigation as needed.

How do I know if my corn needs water?

Water sweet corn whenever the soil surface dries out, but don’t saturate the soil. The surface should feel just moist to the touch and water should drain away from around the plants within 10 to 20 seconds. Water first thing in the morning so any moisture that gets on the leaves has time to dry during the day.

When should I stop watering my corn?

Once the starch line has moved half way down the kernel, you are approximately 10-12 days to maturity with normal July temperatures. If the starch line has moved down the kernel 50% or more and you have good soil moisture, irrigation on furrow irrigated fields could be terminated.

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What does Overwatered corn look like?

The first visual signs of over-watered plants usually include yellowing leaves, with lower plant leaves exhibiting leaf chlorosis (die back) because of the tie up of essential substances and nutrients.

What happens if you don’t thin corn?

For those of you that don’t know, thinning plants means selectively removing seedlings. Corn plants will take a bunch of water and nutrients from the soil during their life span. If the plants are growing too close together, problems may arise. The root systems will end up growing into each other.