Environmental impacts of potato nutrient management

JR Davenport, PH Milburn, CJ Rosen… - American journal of …, 2005 - Springer
Use of soluble chemical fertilizers for crop production, particularly to supply nitrogen, phosphorus,
and potassium, has increased potato yields and quality for several decades. Over the …

Spectral and spatial differences in response of vegetation indices to nitrogen treatments on apple

EM Perry, JR Davenport - Computers and Electronics in Agriculture, 2007 - Elsevier
Handheld chlorophyll sensors and remote sensing are two nondestructive approaches for
estimating plant nitrogen (N) status, which are now commercially available. In this paper we …

[HTML][HTML] Seasonal uptake and partitioning of macronutrients in mature 'Concord'grape

S Pradubsuk, JR Davenport - Journal of the American Society for …, 2010 - journals.ashs.org
Understanding how grape ( Vitis L.) vines store nutrients in permanent tissues, how much
nutrient vines take up from the soil, and how nutrients are partitioned and redistributed …

[PDF][PDF] The effect of nitrogen fertilizer rates and timing on cranberry yield and fruit quality

JR Davenport - Journal of the American Society for Horticultural …, 1996 - researchgate.net
To examine the impact of N fertilizer rates and timing on cranberry (Vaccinium macrocarpon
Ait.) yield and the fruit quality factors total anthocyanin, average berry weight, and field and …

[HTML][HTML] How cold can you go? Frost and winter protection for grape

JR Davenport, M Keller, LJ Mills - HortScience, 2008 - journals.ashs.org
Although the inland Pacific Northwest has a warm climate during the growing season, grapes
grown in this region may be exposed to colder than optimal temperatures at several times …

Use of precision farming practices in grape production

…, L Mills, JR Davenport - Proceedings of the Fourth …, 1999 - Wiley Online Library
A yield monitoring system for commercial grape harvesters developed in cooperation with
HarvestMaster, during 1996 to facilitate a long‐term research program begun in 1997 to …

[HTML][HTML] Spatial and temporal distribution of soil moisture in drip-irrigated vineyards

JR Davenport, RG Stevens, KM Whitley - HortScience, 2008 - journals.ashs.org
In arid and semiarid areas, wine grapes are frequently managed using regulated deficit
irrigation (RDI) to control vegetative growth. To understand the distribution of soil moisture using …

Cultivar fruiting and vegetative response to nitrogen fertilizer in cranberry

JR Davenport, N Vorsa - Journal of the American Society for …, 1999 - journals.ashs.org
Davenport (1996) studied five cultivars in four states and found that yield and fruit rot levels
Davenport, JR 1996. The effect of nitrogen fertilizer rates and timing on cranberry yield and …

[HTML][HTML] Release of available nitrogen after incorporation of a legume cover crop in concord grape

KE Bair, JR Davenport, RG Stevens - HortScience, 2008 - journals.ashs.org
Legume cover crops can be used to provide nitrogen (N) to organically produced Concord (
Vitis labruscana Bailey) grape. The cover crop must be incorporated at a time such that …

Cranberry tissue nutrient levels as impacted by three levels of nitrogen fertilizer and their relationship to fruit yield and quality

JR Davenport, J Provost - Journal of plant nutrition, 1994 - Taylor & Francis
Five different cranberry (Vaccinium macrocarpon Ait.) cultivars were fertilized with either 0,
22, or 44 kg N ha/yr. After three consecutive years of these treatments, plant tissue samples …