logging in or signing up Cultivation2 gooseunl Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 211 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: August 25, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Cultivation: Cultivation Water Injection Cultivation : Water Injection Cultivation Research at MSU for Toro (Murphy & Rieke. 1994. Agron. J. 86:719-724) High pressure water pulse-injected 10 millisecond pulses at 5000 psi = 600 mph! Water-Injection technology: Water-Injection technology Used for about 10 years Should be used as a supplement to normal core-aerification Used frequently during the summer on bentgrass greens (Can be over-used) Very little disruption of the surfaceSlide5: Water (chemical) injection systemsWater Injection Cultivation: Water Injection Cultivation Advantages No surface disruption, can use anytime of season Improved shoot growth Decr. bulk density Incr. saturated hydraulic conductivity (percolation rate)Water Injection Cultivation: Water Injection Cultivation Disadvantages -Most useful for putting greens Expensive Slow Requires nearby H2O sourceCoring vs. Water Injection: Coring vs. Water InjectionDryjet: DryjetSlicing & Spiking: Slicing & Spiking Slicing: V-shaped knives on drum; 3-4" depth Minimal surface disruption Alleviate midsummer stress on fairway/high traffic turf Slicing & Spiking: Slicing & Spiking Spiking: Similar to slicing; only 1" depth; reduced hole length Greens Athletic fields: facilitate overseedingSlicing & Spiking: Slicing & Spiking Both used for: infiltration Minimum alleviation of soil compaction stimulate root/shoot growthVertical Mowing: Vertical Mowing good for preparing to overseed thatch removalVertical Mowing (Power raking, dethatching): Vertical Mowing (Power raking, dethatching) Vertically oriented knives on rapidly rotating shaft High set: Cut stolons/leaves for grain control Disrupt cores from coring Low set: Remove/disrupt thatch Very low set: Cultivate soil—surface compaction? Overseeding operationSecondary Cultivation Practices: Secondary Cultivation Practices De-thatching Aerification Top-dressing RollingWhy are secondary cultivation practices necessary ??: Why are secondary cultivation practices necessary ?? Repair compaction Protect grass crowns Stimulate shoot and root growth Smooth surfaces Enhance overall qualitySpecific problems that require secondary cultural practices: Specific problems that require secondary cultural practices Wear and compaction Thatch or organic layer building Uneven or bumpy surfacesGood Turf = Good Roots: Good Turf = Good RootsTopdressing: Topdressing The application of sand, soil, or organic matter to a turf surface Used heavily on golf and sports fields to: protect crowns reduce thatch smooth surface Used to backfill aerification holesSlide21: Top-dressers come in many styles and sizesSlide22: Light Smooth surface Enhance green speed Protect growing points Heavy Backfill aerification Reduce thatchSlide23: Heavy top-dressing must be brushed in to holes and the turf canopySlide24: fiber mats Steel mats Various types of methods are used to smooth top-dressing sand blowers You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
Cultivation2 gooseunl Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 211 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: August 25, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Cultivation: Cultivation Water Injection Cultivation : Water Injection Cultivation Research at MSU for Toro (Murphy & Rieke. 1994. Agron. J. 86:719-724) High pressure water pulse-injected 10 millisecond pulses at 5000 psi = 600 mph! Water-Injection technology: Water-Injection technology Used for about 10 years Should be used as a supplement to normal core-aerification Used frequently during the summer on bentgrass greens (Can be over-used) Very little disruption of the surfaceSlide5: Water (chemical) injection systemsWater Injection Cultivation: Water Injection Cultivation Advantages No surface disruption, can use anytime of season Improved shoot growth Decr. bulk density Incr. saturated hydraulic conductivity (percolation rate)Water Injection Cultivation: Water Injection Cultivation Disadvantages -Most useful for putting greens Expensive Slow Requires nearby H2O sourceCoring vs. Water Injection: Coring vs. Water InjectionDryjet: DryjetSlicing & Spiking: Slicing & Spiking Slicing: V-shaped knives on drum; 3-4" depth Minimal surface disruption Alleviate midsummer stress on fairway/high traffic turf Slicing & Spiking: Slicing & Spiking Spiking: Similar to slicing; only 1" depth; reduced hole length Greens Athletic fields: facilitate overseedingSlicing & Spiking: Slicing & Spiking Both used for: infiltration Minimum alleviation of soil compaction stimulate root/shoot growthVertical Mowing: Vertical Mowing good for preparing to overseed thatch removalVertical Mowing (Power raking, dethatching): Vertical Mowing (Power raking, dethatching) Vertically oriented knives on rapidly rotating shaft High set: Cut stolons/leaves for grain control Disrupt cores from coring Low set: Remove/disrupt thatch Very low set: Cultivate soil—surface compaction? Overseeding operationSecondary Cultivation Practices: Secondary Cultivation Practices De-thatching Aerification Top-dressing RollingWhy are secondary cultivation practices necessary ??: Why are secondary cultivation practices necessary ?? Repair compaction Protect grass crowns Stimulate shoot and root growth Smooth surfaces Enhance overall qualitySpecific problems that require secondary cultural practices: Specific problems that require secondary cultural practices Wear and compaction Thatch or organic layer building Uneven or bumpy surfacesGood Turf = Good Roots: Good Turf = Good RootsTopdressing: Topdressing The application of sand, soil, or organic matter to a turf surface Used heavily on golf and sports fields to: protect crowns reduce thatch smooth surface Used to backfill aerification holesSlide21: Top-dressers come in many styles and sizesSlide22: Light Smooth surface Enhance green speed Protect growing points Heavy Backfill aerification Reduce thatchSlide23: Heavy top-dressing must be brushed in to holes and the turf canopySlide24: fiber mats Steel mats Various types of methods are used to smooth top-dressing sand blowers