Author: Vernon Phillip Grubinger
Publisher:
ISBN:
Category : Green manuring
Languages : en
Pages : 184
Book Description
Augmenting a Low Rate of Nitrogen Fertilizer for Sweet Corn Production with Strip-rototilled White Clover Living Mulch
Author: Vernon Phillip Grubinger
Publisher:
ISBN:
Category : Green manuring
Languages : en
Pages : 184
Book Description
Publisher:
ISBN:
Category : Green manuring
Languages : en
Pages : 184
Book Description
Analysis and Modeling of Nitrogen Cycling in a Vegetable Intercropping System
Effect of Suppressed White Clover (Trifolium Repens L.) on Sweet Corn (Zea Mays L. Var. Rugosa Bonaf.) Yield and Nitrogen Availability in a Living Mulch Cropping System
Author: Thomas Edward Vrabel
Publisher:
ISBN:
Category : Cropping systems
Languages : en
Pages : 358
Book Description
Publisher:
ISBN:
Category : Cropping systems
Languages : en
Pages : 358
Book Description
Sweet Corn (Zea Mays) Production in a White Clover (Trifolium Repens) Living Mulch
Author: Mark K. Peterman
Publisher:
ISBN:
Category : Companion planting
Languages : en
Pages : 132
Book Description
Soil-related problems common to Oregon farmers are erosion, compaction, organic matter depletion, and nutrient loss. High costs of fertilizer, fuel, and weed control are additional management problems. Growing a secondary crop as a living mulch with a primary crop may ease some of these problems. Sweet corn production in Oregon is commonly plagued by these problems and may be suitable for a living mulch system. Field experiments were begun to test the feasibility of growing sweet corn (Zea mays L. 'Jubilee') and white clover (Trifolium repens L. 'New Zealand') living mulch in the Willamette Valley in Oregon. Research was done at the Oregon State University Hyslop and Horticulture research farms near Corvallis. Management practices tested were fall-planted clover (1982) compared to spring-planted clover (1983), and clover suppression treatments in 1984. Suppression treatments were 0.84 and 1.4 kg ai/ha atrazine (6-chloroN- ethyl-N'-(1-methylethyl)-1,3,5-triazine-2,4-diamine), and mowing. Corn yields were not reduced when clover was planted in the fall and suppressed with atrazine at 1.4 kg ai/ha. When clover suppression treatments were mowing or 0.84 kg ai/ha of atrazine, corn yields were reduced. At the Horticulture farm, an additional screening trial was conducted to determine the effect of selected herbicides on second-year white clover. Results indicated that the dimethylamine 2,4-D ((2,4- dichlorophenoxy) acetic acid) applied at 2.24 kg ae/ha gave excellent initial and residual suppression of the clover (95% at 14 days after treatment and 82.5% at 67 days after treatment). A mixture of atrazine plus alachlor (2-chloro-N-(2,6-diethylphenyl-N- (methoxymethyl)acetamide) applied at 1.4 and 3.36 kg ai/ha, respectively, effectively suppressed the clover (80%), but was only slightly more severe than atrazine at 1.4 kg ai/ha.
Publisher:
ISBN:
Category : Companion planting
Languages : en
Pages : 132
Book Description
Soil-related problems common to Oregon farmers are erosion, compaction, organic matter depletion, and nutrient loss. High costs of fertilizer, fuel, and weed control are additional management problems. Growing a secondary crop as a living mulch with a primary crop may ease some of these problems. Sweet corn production in Oregon is commonly plagued by these problems and may be suitable for a living mulch system. Field experiments were begun to test the feasibility of growing sweet corn (Zea mays L. 'Jubilee') and white clover (Trifolium repens L. 'New Zealand') living mulch in the Willamette Valley in Oregon. Research was done at the Oregon State University Hyslop and Horticulture research farms near Corvallis. Management practices tested were fall-planted clover (1982) compared to spring-planted clover (1983), and clover suppression treatments in 1984. Suppression treatments were 0.84 and 1.4 kg ai/ha atrazine (6-chloroN- ethyl-N'-(1-methylethyl)-1,3,5-triazine-2,4-diamine), and mowing. Corn yields were not reduced when clover was planted in the fall and suppressed with atrazine at 1.4 kg ai/ha. When clover suppression treatments were mowing or 0.84 kg ai/ha of atrazine, corn yields were reduced. At the Horticulture farm, an additional screening trial was conducted to determine the effect of selected herbicides on second-year white clover. Results indicated that the dimethylamine 2,4-D ((2,4- dichlorophenoxy) acetic acid) applied at 2.24 kg ae/ha gave excellent initial and residual suppression of the clover (95% at 14 days after treatment and 82.5% at 67 days after treatment). A mixture of atrazine plus alachlor (2-chloro-N-(2,6-diethylphenyl-N- (methoxymethyl)acetamide) applied at 1.4 and 3.36 kg ai/ha, respectively, effectively suppressed the clover (80%), but was only slightly more severe than atrazine at 1.4 kg ai/ha.
Nitrogen Interactions in a Sweet Corn and White Clover Living Mulch Cropping System
Author: Steven Peters
Publisher:
ISBN:
Category : Intercropping
Languages : en
Pages : 296
Book Description
Publisher:
ISBN:
Category : Intercropping
Languages : en
Pages : 296
Book Description
Zone Tillage and Nitrogen Fertilization Response in a Corn-kura Clover Living Mulch System
Author: Agustina Sabalzagaray
Publisher:
ISBN:
Category :
Languages : en
Pages : 132
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 132
Book Description
Sweet Corn (Zea Mays L.) Production in a White Clover (Trifolium Repens L.) Living Mulch
Author: Alan S. Cooper
Publisher:
ISBN:
Category : Companion planting
Languages : en
Pages : 116
Book Description
Oregon sweet corn growers face high fertilizer, fuel and weed control costs; soil compaction, erosion, organic matter and nutrient depletion; and difficult equipment operations in muddy fields. An alternative production system might ease some of these problems. Testing was begun to evaluate a living-mulch cropping system for sweet corn (Zea mays L. 'Golden Jubliee') production in Western Oregon. Several establishment-year management options for growing sweet corn with white clover (Trifolium repens L. 'New Zealand') were tested at three Willamette Valley, Oregon locations. Production practices tested were: fall, spring, or summer clover seeding; weed control prior to clover planting with (a) EPTC (S-ethyl dipropylthiocarbamate), (b) vernolate (S-propyl dipropylthiocarbamate) or (c) no control; and clover suppression with (a) atrazine (2-chloro-4-(ethylamino)-6-(isopropylamino)- s-triazine), (b) PP333 H2RS,3RS)-1-(4-chloropheny1)-4,4- dimethyl-2-1,2,4-triazol-l-y1- )pentan-3-01), (c) mowing, or (d) no suppression. Combinations of these practices were compared with conventional corn production. Fall clover planting resulted in the most ground cover and fewest weeds by summer. Plots where preplant herbicides were applied had fewer grasses but more broadleaf weeds compared to plots not receiving a preplant herbicide application. There was no identified change in corn yield resulting from the level of weed infestation. Where clover was most vigorous, suppression was necessary to avoid corn yield reductions. Atrazine proved most effective in reducing clover growth and allowing corn yields comparable to conventional practices. Yield reductions due to management system occurred at one location, and only where the clover received no suppression treatment. As the clover becomes better established, more severe suppression will probably be necessary to avoid corn yield reductions. Casual observations indicated increasing populations of rodents. Some form of control may be required. Overall results indicate that the system has potential to reduce erosion and suppress weeds and it may be an alternative to conventional sweet corn production in the area tested.
Publisher:
ISBN:
Category : Companion planting
Languages : en
Pages : 116
Book Description
Oregon sweet corn growers face high fertilizer, fuel and weed control costs; soil compaction, erosion, organic matter and nutrient depletion; and difficult equipment operations in muddy fields. An alternative production system might ease some of these problems. Testing was begun to evaluate a living-mulch cropping system for sweet corn (Zea mays L. 'Golden Jubliee') production in Western Oregon. Several establishment-year management options for growing sweet corn with white clover (Trifolium repens L. 'New Zealand') were tested at three Willamette Valley, Oregon locations. Production practices tested were: fall, spring, or summer clover seeding; weed control prior to clover planting with (a) EPTC (S-ethyl dipropylthiocarbamate), (b) vernolate (S-propyl dipropylthiocarbamate) or (c) no control; and clover suppression with (a) atrazine (2-chloro-4-(ethylamino)-6-(isopropylamino)- s-triazine), (b) PP333 H2RS,3RS)-1-(4-chloropheny1)-4,4- dimethyl-2-1,2,4-triazol-l-y1- )pentan-3-01), (c) mowing, or (d) no suppression. Combinations of these practices were compared with conventional corn production. Fall clover planting resulted in the most ground cover and fewest weeds by summer. Plots where preplant herbicides were applied had fewer grasses but more broadleaf weeds compared to plots not receiving a preplant herbicide application. There was no identified change in corn yield resulting from the level of weed infestation. Where clover was most vigorous, suppression was necessary to avoid corn yield reductions. Atrazine proved most effective in reducing clover growth and allowing corn yields comparable to conventional practices. Yield reductions due to management system occurred at one location, and only where the clover received no suppression treatment. As the clover becomes better established, more severe suppression will probably be necessary to avoid corn yield reductions. Casual observations indicated increasing populations of rodents. Some form of control may be required. Overall results indicate that the system has potential to reduce erosion and suppress weeds and it may be an alternative to conventional sweet corn production in the area tested.
Spatial Arrangement in a Sweet Corn/living Mulch Intercropping System
Author: Lee Stewart Altier
Publisher:
ISBN:
Category : Corn
Languages : en
Pages : 294
Book Description
Publisher:
ISBN:
Category : Corn
Languages : en
Pages : 294
Book Description
Nitrogen Availability, Crop Growth, and Water Quality in a Living Mulch Corn Production System
Author: Joshua Spencer Andrews
Publisher:
ISBN:
Category :
Languages : en
Pages : 262
Book Description
The impact of living mulch corn production on nitrogen availability, crop growth, and water quality was investigated. Plant, soil, and water samples were taken over the course of two years in research plots and experimental watersheds. A living mulch system reduced corn growth and grain yield when compared to a cereal rye and crimson clover systems due to reduced N availability. A HYDRUS-1D model was used to estimate water and NO3-N leaching below a 1-m depth from planting in April through February of the next year. In the first model period, the living mulch had lower NO3-N loss than both the cereal rye and crimson clover systems, though little NO3-N was lost during the second model period due to drought. On the experimental watersheds, the living mulch likely reduced runoff volume, and both the living mulch and cereal rye systems reduced sediment loss when compared to previous treatments.
Publisher:
ISBN:
Category :
Languages : en
Pages : 262
Book Description
The impact of living mulch corn production on nitrogen availability, crop growth, and water quality was investigated. Plant, soil, and water samples were taken over the course of two years in research plots and experimental watersheds. A living mulch system reduced corn growth and grain yield when compared to a cereal rye and crimson clover systems due to reduced N availability. A HYDRUS-1D model was used to estimate water and NO3-N leaching below a 1-m depth from planting in April through February of the next year. In the first model period, the living mulch had lower NO3-N loss than both the cereal rye and crimson clover systems, though little NO3-N was lost during the second model period due to drought. On the experimental watersheds, the living mulch likely reduced runoff volume, and both the living mulch and cereal rye systems reduced sediment loss when compared to previous treatments.
Dissertation Abstracts International
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 812
Book Description
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 812
Book Description