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Bair, K

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Bair, K

Davenport, J

Bair, K

Granastein, D

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Oral

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2009

2011

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Filter results2 paper(s) found.
1. Cover Crops for Nitrogen Management in Irrigated Cropping System In perennial fruit cropping systems, the inter-row offers on opportunity to grow a cover crop that then can be used to supply nitrogen (N) to the fruit crop. We conducted research in both Concord grape and Gala apple to evaluate the potential of cover crops to supply N to the crop. Based on continuous monitoring of plant available NO3-N by using PRSTM ion exchange resin probes, we found that in Concord grape, while both hairy vetch and yellow sweet clover did not release quite as much N as... J. Davenport, K. Bair, D. Granastein Download paper
2. Comparison of Three Buffer Methods to Determine Lime Requirement in Columbia Basin Region of Washington State Weakly buffered soils of Washington State that have seen considerable pH change over the years due to use of ammonia based fertilizer products. Because these soils are weakly buffered and lime (CaCO3) requirement (LR) tests commonly report no lime is needed, a test that is sensitive enough for these conditions is preferred. Also, reagents used in some lime buffer methods are carcinogenic and/or toxic. A new buffer (Sikora) has been developed to work similarly to the commonly used SMP, but without... K. Bair

Filter results2 paper(s) found.

1. Cover Crops for Nitrogen Management in Irrigated Cropping System

In perennial fruit cropping systems, the inter-row offers on opportunity to grow a cover crop that then can be used to supply nitrogen (N) to the fruit crop. We conducted research in both Concord grape and Gala apple to evaluate the potential of cover crops to supply N to the crop. Based on continuous monitoring of plant available NO3-N by using PRSTM ion exchange resin probes, we found that in Concord grape, while both hairy vetch and yellow sweet clover did not release quite as much N as... J. Davenport, K. Bair, D. Granastein

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2. Comparison of Three Buffer Methods to Determine Lime Requirement in Columbia Basin Region of Washington State

Weakly buffered soils of Washington State that have seen considerable pH change over the years due to use of ammonia based fertilizer products. Because these soils are weakly buffered and lime (CaCO3) requirement (LR) tests commonly report no lime is needed, a test that is sensitive enough for these conditions is preferred. Also, reagents used in some lime buffer methods are carcinogenic and/or toxic. A new buffer (Sikora) has been developed to work similarly to the commonly used SMP, but without... K. Bair