Soil and Crop Management, 1998 - present
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Item Acidification of Volcanic Ash Soils from Maui and Hawai‘i Island for Blueberry and Tea Production(University of Hawaii, 2011-09) Kawabata, Andrew F.; Deenik, Jonathan L.; Hamasaki, Randall T.; Lichty, Joanne; Nakamoto, Stuart T.This publication provides background on soil acidity in relation to plant growth, presents approaches to acidifying soils, and provides guidelines for the acidification of some volcanic soils on Maui and Hawai‘i island that are potential sites for tea and blueberry production.Item Soil Orders in Hawaii(University of Hawaii, 2010) Ikawa, Ike; Hue, Nguyen; Yost, RussellThis poster describes and provides color photos of ten different soil orders in Hawaii.Item Maximizing Yields of Corn for Silage and Bioethanol in Hawaii by Increasing Planting Density(University of Hawaii, 2009-11) Brewbaker, James L.This publication reviews research at the University of Hawaii’s College of Tropical Agriculture and Human Resources to evaluate corn hybrids for the silage and bioethanol industries in Hawaii. Maximizing yields is shown to depend on careful choice of tropically adapted hybrids and planting at suitably high plant population densities.Item Benefits and Costs of Using Perennial Peanut as Living Mulch for Fruit Trees in Hawaii(University of Hawaii, 2009-08) Radovich, Ted; Cox, Linda J.; Sugano, Jari; Idol, TravisTo help Hawaii growers make management decisions about the use of a living mulch, this publication describes experiments conducted to study the effects of perennial peanut planting method and density on (1) groundcover canopy development, (2) selected indicators of soil quality, (3) fruit tree nutrient status, and (4) the cost of establishing the living mulch.Item Visual Symptoms of Plant Nutrient Deficiencies in Nursery and Landscape Plants(University of Hawaii, 2005-01) Wong, MelvinKeys to identifying nutrient deficiencies based on whether they first occur on older leaves or newer leaves are given, and iron deficiency on four ornamental plants is shown.Item Using Protector Plants to Guard Crops from Aphid-borne Non-persistent Viruses(University of Hawaii, 2007-06) Hooks, Cerruti R2; Fereres, Alberto; Wang, Koon-HuiThe utility of plant barriers to reduce aphid movement in crops and the resulting transmission of plant viruses is discussed.Item Use of Soil Amendments in Landscape Plantings(University of Hawaii, 2005-01) Wong, MelvinGeneral recommendations on soil amendments to influence soil pH, nutrient availability, and drainage in various types of soils are given.Item Use of Filter Strips for Improved Surface Water Quality(University of Hawaii, 2009-05) Fares, A.; Deb, S.K.; Ryder, M.H.An experiment studied effects of sunn hemp or oat plantings on loss of sediment and nutrients from an agricultural soil in runoff following rainfall. The study concluded that both plants can effectively reduce sediment and nutrient loads coming from idle and fallow fields in Hawaii.Item The Impact of Sunn Hemp Cover Cropping on Belowground Organisms and Nutrient Status Associated with a Cucumber Planting(University of Hawaii, 2007-10) Hooks, Cerruti R2; Chandara, Khamphout; Fallon, Declan; Wang, Koon-Hui; Manandhar, RoshanImpacts of growing Crotalaria juncia on factors such as plant-parasitic and beneficial nematodes, nematode-trapping fungi, and cucumber yields were studied.Item Testing for Soil Nitrogen and Phosphorus for Environmental Pollution Monitoring(University of Hawaii, 2004-01) Robotham, Michael; Smith, Chris; Valenzuela, HectorSampling for environmental pollutants that result from agricultural practices is described.
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