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Watering Tomato Plants

Proper watering plays a significant role in producing a healthy tomato plant with tasty, meaty, juicy fruit. So, what’s the secret, and how can you be sure you are watering your tomatoes the right way?

Watering Location
Always water tomatoes at the root zone; never overhead water your tomato plant. Watering directly at the soil level will strengthen the plant’s root system and ensure the maximum amount of moisture reaches the roots. When you overhead water, much of the water will not make it to the roots as it evaporates before reaching the soil. Water droplets on plant leaves act as a magnifying glass and can burn tender plant tissue, damaging foliage that is essential to keep the plant healthy. Water dripping from leaf to leaf can also spread disease, infecting an entire crop. To be sure tomatoes are not being watered inappropriately, keep plants out of reach of lawn sprinkler systems or other inadvertent watering.

Watering Speed
Slow watering is essential to properly distribute moisture to a tomato plant. Allow the water to drip slowly into the soil, giving the plant roots time to absorb the moisture. A drip system is best and will also help with water conservation. Avoid using a hand held hose, as it is easy to either underwater or overwater using this method. Water to a depth of 8 inches to ensure all roots have access to adequate moisture. You can also use a watering reservoir, such as a gallon jug with several small holes in its bottom, to slowly and carefully water the plants without flooding the root zone.

Watering Frequency
A regular watering schedule is essential for the healthiest, most productive tomato plants. Water consistently to produce larger fruits and to avoid split and cracked fruit and blossom end rot. Tomato plants should be watered 2-3 times a week in the height of summer or when natural rain is lacking. A deep soaking rain counts and supplemental watering should be adjusted whenever Mother Nature lends a hand with watering chores. The top inch or two of soil should dry out between watering to be sure the plant is not getting too much moisture.

Watering Adjustments
There are several times when it may be necessary to adjust where, when and how much you water your tomatoes. Changes in local rainfall – increasing spring or summer rains, a sudden storm, an unexpected drought – can require changes in supplemental watering to keep the moisture to your tomatoes consistent. As plants grow and more fruit appears, more water may be needed to meet the plant’s watering needs and keep it lush and healthy.

By understanding the basics of watering tomatoes, you can keep your plants well hydrated without risk of either overwatering or underwatering, both of which could be disastrous for your tomato crop.

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