How Often to Water Trees in the Desert/Possible Iron Deficiency - Knowledgebase Question

Tempe, AZ
Question by ImPNeary
June 18, 1999
Last fall we had two Brazilian Pepper Trees planted in the front yard - lots of sun. Both doing well, one doing extremely well, until recently lots of the leaves turning yellow. We have been told possible iron deficiency, then under watering. How often and how long should we water - its over 100 deg.


Image
Answer from NGA
June 18, 1999

0

oak trees often suffer from chlorosis.
Although iron may be present in the soil, it is not always in a form that plants can use. Overly wet soils are depleted of oxygen. (As water fills in the minute spaces between soil particles, air moves out.) Plant roots need oxygen to absorb iron in the soil. To help prevent chlorosis, always water slowly, deeply and infrequently.
Soil with a high pH (alkalinity) also inhibits iron absorption. If you are using correct irrigation methods and symptoms are still present, apply iron chelates or ferrous sulphate to the soil. Both are readily absorbed by a plant?s roots. I hope this information helps! oak trees often suffer from chlorosis.
Although iron may be present in the soil, it is not always in a form that plants can use. Overly wet soils are depleted of oxygen. (As water fills in the minute spaces between soil particles, air moves out.) Plant roots need oxygen to absorb iron in the soil. To help prevent chlorosis, always water slowly, deeply and infrequently.
Soil with a high pH (alkalinity) also inhibits iron absorption. If you are using correct irrigation methods and symptoms are still present, apply iron chelates or ferrous sulphate to the soil. Both are readily absorbed by a plant?s roots. I hope this information helps!

You must be signed in before you can post questions or answers. Click here to join!

« Return to the Garden Knowledgebase Homepage

Member Login:

Username:

Password:

[ Join now ]

Today's site banner is by Paul2032 and is called "Daisy with bug"