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| Filter results5 paper(s) found. |
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1. Comparison of Three Buffer Methods to Determine Lime Requirement in Columbia Basin Region of Washington StateWeakly 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 |
2. Cover Crops for Nitrogen Management in Irrigated Cropping SystemIn 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 |
3. Paying Attention to Root Traits for the Effective Use of Water and NutrientsRoots are the main organ for water and nutrient uptake, and more research on root responses to their surrounding environment would help develop novel management strategies to increase agricultural sustainability. Increasing the effective use of resources to reduce environmental impact as we meet the increasing demands for food, fiber and fuel is a priority. Root systems have a key role on this effort. In this session, we will explore how roots respond to abiotic stress, and how root... F. Barrios masias |
4. Nutrient Management for Semi-arid Cannabis ProductionThe industrial hemp (Cannabis sativa L.) industry rapidly emerged in Utah in 2019 with nearly 480 new hectares of hemp production. Production declined and stabilized during 2019-2022 due to low returns in a flooded pharmaceutical market. Though small and specialized, the hemp production industry is still viable in Utah and surrounding states. Many questions remain on optimal production practices for this new and potentially high-value crop. Research throughout the United States... T. Sullivan, M. Yost, D. Boren, E. Creech, B. Bugbee |
5. Floral Hemp Responses to Nitrogen Fertilization in the High DesertThe performance of floral hemp under N fertilization is influenced by environmental conditions, management and cultivar selection. This field study evaluated the effect of no supplemental N and N fertilization at 90 kg ha-1 on three hemp cultivars (Berry Blossom, Red Bordeaux, and Tahoe Cinco) in Northern Nevada. Nitrogen increased plant height, canopy cover, stem diameter and shoot biomass, but other physiological parameters were dependent on cultivar. We evaluated the use... F. Barrios masias, M. Farnisa, J. Solomon, G. Miller |