1 / 7

Correcting Soil Problems with Amendments

Acid Soils. Toxic due to aluminum

chamomile
Télécharger la présentation

Correcting Soil Problems with Amendments

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

    1. Correcting Soil Problems with Amendments Problem soils need to be managed by adding; Lime Gypsum Sulfur Organic Matter

    2. Acid Soils Toxic due to aluminum & manganese Alters activities of microorganisms involved in N and S transformation in the soil. P availability is greatly reduced. Usually low in Calcium & Magnesium

    3. Tolerance to Acidity Know the four levels and some crops in each.

    4. Correction of acid soil Add Lime Refer to Table 10-2 & 10-3

    5. Saline & Sodic Soils (Alkali) Soils contain excessive amounts of sodium.

    6. Correction of Saline soil Sulfur, Sulfuric Acid, Ferric sulfate, Lime sulfur, Aluminum sulfate, & Ammonium polysulfide. Leaching with high quality irrigation water. Note gypsum, organic matter, manure, & crop residue.

    7. Management of Saline & Sodic soils Refer to page 249 (salt tolerant crop, drainage, irrigation, tillage methods, chemical amendments, ect.)

More Related