Soil and Crop Management, 1998 - present
Permanent URI for this collectionhttps://hdl.handle.net/10125/10375
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Item type: 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 type: 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 type: 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 type: 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 type: 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 type: 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 type: 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 type: 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 type: 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 type: 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.Item type: Item , Summary of Production and Handling Recommendations for Selected Foliage Plants(University of Hawaii, 2004-06) Kawabata, A.F.; Nishijima, W.T.Optimal conditions for temperature, light, fertilizer, and water affecting production, shipping, and postproduction of 7 important foliage plants produced for export in Hawaii are given in a table.Item type: Item , Soils of Hawai'i(University of Hawaii, 2007-09) Deenik, J.; McClellan, A.T.Ten major soil orders found in Hawaii are described, and maps show their distribution on the six main Hawaiian islands.Item type: Item , Simulation of Best Management Practices for Soybean Production in Hawaii(University of Hawaii, 1998-10) Ogoshi, R.M.; Tsuji, G.Y.; Uehara, G.; Kefford, N.P.The study showed that an agronomic model and economic analysis are useful tools for agricultural decision-making in Hawaii. Crop models shortened the time needed to test and determine suitable management schemes to produce crops in specific locations on the North Shore of Oahu.Item type: Item , Salinity Effects in Nursery and Landscape Plants(University of Hawaii, 2005-01) Wong, MelvinEarly salinity damage to plants is often not detected. The symptoms of salinity injury include dark bluish-green foliage, smaller leaves, shorter internodes, reduced growth, and chlorotic lower leaves at later growth stages.Item type: Item , Producing Bacterial Wilt-Free Ginger in Greenhouse Culture(University of Hawaii, 2004-06) Hepperly, Paul; Zee, Francis; Kai, Russell; Arakawa, Claire; Meisner, Mark; Kratky, Bernard; Hamamoto, Kert; Sato, DwightA bacterial wilt is the factor most limiting yields of culinary ginger in Hawaii. A system developed to produce ginger in an artificial medium in greenhouse culture is described.Item type: Item , Phosphorus Fertilizer Management for Romaine Lettuce Grown in Fertile Volcanic Ash Soils of Hawai'i(University of Hawaii, 2007-09) Deenik, J.; Hamasaki, R.; Shimabuku, R.; Uchida, R.Field experiments at two sites determined that for Romaine lettuce on the soils tested, no further P fertilizer application is need if extractable P is above 650 ppm.Item type: Item , Phosphorus Fertilizer Management for Head Cabbage(University of Hawaii, 2006-10) Deenik, J.; Hamasaki, R.; Shimabuku, R.; Nakamoto, S.; Uchida, R.Repeated long-term applications of blended fertilizers (containing N, P, and K) have resulted in soil P levels that are in excess of optimal in many situations. Field experiments on five farms (on three soil series) compared farmer practice (blended fertilizers) with applying urea-N alone. Data were used to develop a soil P critical range beyond which further P need not be applied. Cost analysis compared farmer practice with the recommendations developed by the research.Item type: Item , Pesticides Currently Registered for Use in Taro in Hawai'i (2007)(University of Hawaii, 2007-09) AnonymousHerbicide, insecticide, and fungicide products registered for use on flooded or non-flooded taro crops in Hawaii in 2007 are discussed.Item type: Item , Nutrient Deficiences and Excesses in Taro(University of Hawaii, 2002-07) Miyasaka, Susan C.; Hamasaki, Randall T.; de la Pena, Ramon S.The publication provides a key to taro nutrient disorders, identifies the leaf to sample for nutrient analysis, gives nutrient concentrations associated with deficiency, sufficiency, and toxicity, and illustrates symptoms of nutrient deficiencies and toxicities in taro leaves and roots.Item type: Item , Nitrogen Mineralization Potential in Important Agricultural Soils of Hawai'i(University of Hawaii, 2006-07) Deenik, JonathanSoil microorganisms convert nitrogen in soil organic matter into inorganic forms that plants can take up; the process is called N mineralization. The N cycle and factors affecting mineralization are reviewed. Mineralization potential of five Hawaiian soils is described.