A Guide To Successful Pruning, Shrub Pruning Calendar
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Virginia Tech Extension |
Trees For Problem Landscape Sites -- The Walnut Tree: ...
Black walnut is the tallest of the walnuts, with the potential to reach 100 feet. The compound leaves of walnuts are spaced alternately along the branches. Each leaf is divided into an odd number -- usually from 7 to ... [... more]
Virginia Tech Extension |
A Guide To Successful Pruning, Pruning Shrubs
There are two basic types of pruning cuts: heading cuts, and thinning cuts. Heading cuts stimulate growth of buds closest to the wound. The direction in which the top remaining bud is pointing will determine the ... [... more]
Virginia Tech Extension |
The Basics Of Fertilizer Calculations For Greenhouse Crops
Checking the fertilizer EC. Another way to determine the output of your fertilizer injector is by measuring the electrical conductivity (EC) of the dilute fertilizer solution. You can draw a fertilizer sample and ... [... more]
Virginia Tech Extension |
A Guide To Diagnosing Diseases Of Landscape Plants
In Virginia, analysis of plant disease samples received from the local landscape industry and homeowners reveals that environmental stresses and/or improper cultural practices are the primary causes of plant failure ... [... more]
Virginia Tech Extension |
Virginia Cut Holly Production: Orchard Layout And Planting
If you decide to grow either evergreen or deciduous hollies and have selected a location, plan the physical layout of your orchard. After designing the layout and prior to purchasing plants, prepare your land by ... [... more]
Virginia Tech Extension |
A Guide To Successful Pruning, Pruning Deciduous Trees
Thinning cuts remove branches to their points of origin or attachment. When you prune a branch back to another branch, or prune a branch from the trunk, you are thinning. Thinning cuts stimulate growth throughout the ... [... more]
Virginia Tech Extension |
Trees And Shrubs For Acid Soils
Adding ground limestone, either calcium carbonate or calcium-magnesium carbonate (dolomitic lime) raises the pH of acid soils. Quicklime and slaked lime are also used and act faster, but are more expensive and ... [... more]
Virginia Tech Extension |
Virginia Cut Holly Production: Pruning, Harvesting And ...
In the field when harvesting, stand holly sprays in buckets of water if possible, or put them into plastic bags and hold them out of direct sunlight and wind. If you can't ship within a few hours of harvest, hold the ... [... more]
Virginia Tech Extension |
A Guide To Successful Pruning: Pruning Basics And Tools
Use hand pruners to cut stems up to 3/4 inches in diameter. Two types of pruners are available: bypass and anvil. Bypass pruners have sharpened, curved, scissors-type blades that overlap. Anvil pruners have straight ... [... more]
Virginia Tech Extension |
Managing Plant Diseases With Biofungicides
Diseases in greenhouse vegetables and floriculture crops can be managed effectively with biological fungicides (biofungicides). A biofungicide is composed of beneficial microorganisms, such as specialized fungi and ... [... more]
Virginia Tech Extension |
Trees And Shrubs For Overhead Utility Easements
Before planting new trees, look overhead and all around the intended site. Note how far the tree planting site is from overhead utility lines. For plant selection, determine whether the proposed planting site falls ... [... more]
Virginia Tech Extension |
