David Lindbo is director of the Soil Science Division at the U.S. Department of Agriculture’s Natural Resources Conservation Service in Washington, D.C.
29:39
Moldy compost? Compacted soil? Here’s some soil science to help your garden spring into shape.
| Cookie | Duration | Description |
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| countryCode | session | This cookie is used for storing country code selected from country selector. |
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| _fbp | 3 months | This cookie is set by Facebook to display advertisements when either on Facebook or on a digital platform powered by Facebook advertising, after visiting the website. |
| fr | 3 months | Facebook sets this cookie to show relevant advertisements to users by tracking user behaviour across the web, on sites that have Facebook pixel or Facebook social plugin. |
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| personalization_id | 2 years | Twitter sets this cookie to integrate and share features for social media and also store information about how the user uses the website, for tracking and targeting. |
| test_cookie | 15 minutes | The test_cookie is set by doubleclick.net and is used to determine if the user's browser supports cookies. |
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| VISITOR_INFO1_LIVE | 5 months 27 days | A cookie set by YouTube to measure bandwidth that determines whether the user gets the new or old player interface. |
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| Cookie | Duration | Description |
|---|---|---|
| _dc_gtm_UA-28243511-20 | 1 minute | No description |
| abtest-identifier | 1 year | No description |
| AnalyticsSyncHistory | 1 month | No description |
| ARRAffinityCU | session | No description available. |
| ccc | 1 month | No description |
| COMPASS | 1 hour | No description |
| cookies.js_dtest | session | No description |
| debug | never | No description available. |
| donation-identifier | 1 year | No description |
| f | never | No description available. |
| GFE_RTT | 5 minutes | No description available. |
| incap_ses_1185_2233503 | session | No description |
| incap_ses_1185_823975 | session | No description |
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| incap_ses_374_823975 | session | No description |
| incap_ses_374_972453 | session | No description |
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| incap_ses_867_2233503 | session | No description |
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| incap_ses_9117_2233503 | session | No description |
| incap_ses_9117_823975 | session | No description |
| incap_ses_9117_972453 | session | No description |
| li_gc | 2 years | No description |
| loglevel | never | No description available. |
| msToken | 10 days | No description |