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Characterization of geohumus for use in turf

Creator:: Patton, Ty J.
Abstract:: Geohumus is a new, unique hybrid soil amendment made of polyacrylic acid, igneous rock flour, and quartz sand. It is biodegradable and is marketed to increase soil porosity, increase plant yield, and increase plant available water by up to 30%, all while using a low inclusion rate of only 1...
Resource Type:: Masters Thesis
Full Text:: Geohumus is a new, unique hybrid soil amendment made of polyacrylic acid, igneous rock flour, and quartz

Ionic balance and the constituent organic acids of current-year foliage of western redcedar, western hemlock, and Douglas-fir seedlings

Creator:: Graff, Joseph Edward
Abstract:: Western redcedar, western hemlock, and Douglas-fir seedlings were transplanted into pots in one of two soils representative of high and low levels of available NO3 (and total N). The soils were collected from sites at Cascade Head (Oregon Coast) and Wind River (Washington Cascades). Whole plant and component relative dry...
Resource Type:: Dissertation

Effects of soil amendment treatments on survival and growth of four fast-growing tree species on degraded mine areas in the Peruvian Amazon

Creator:: Llancari Valenzuela, Yury Milagros
Abstract:: This paper aims to increase the knowledge on establishment practices for four fast-growing species (Guazuma crinita Mart., Eucalyptus grandis x E. urophylla, Bixa orellana L., Psidium guajava L.) in areas degraded by gold mining in the Peruvian Amazon. The study was carried out in Madre de Dios region, located in...
Resource Type:: Capstone Project
Full Text:: Effects of soil amendment treatments on survival

Facilitating the marketing of peppermint compost by determining product stability and nitrogen release characteristics

Creator:: Sullivan, Dan M.
Abstract:: Report to the Agricultural Research Foundation.
Resource Type:: Technical Report
Full Text:: findings. This research demonstrated the value of peppermint hay as a soil amendment. Because fresh

Appendix D : plant-available N release from peppermint residue

Creator:: Sullivan, Dan M.
Abstract:: Peppermint residue consists of the cooked leaves and stems of the peppermint plant after high-temperature distillation to extract oil. This residue has value as a soil amendment. It is often applied to fallow fields in the fall or sold as a soil amendment to gardeners. Research was conducted to determine...
Resource Type:: Technical Report
Full Text:: -temperature distillation to extract oil. This residue has value as a soil or sold as a soil amendment to

Los cultivos de cobertura : una manera fácil de mejorar el suelo

Creator:: Oregon State University. Extension Service
Abstract:: Muchas personas plantan un cultivo de cobertura en el otoño después de quitar las plantas anuales. En este caso, use una variedad que tolere el frío. El trébol carmesí es excelente para el oeste de Oregon. Antes del 1 de octubre, siembre 1⁄2 libra de semillas por cada 1,000 pies...
Resource Type:: Technical Report

Improving garden soils with organic matter

Creator:: Bell, Neil (Neil Charles), 1961-, Sullivan, Dan M., Brewer, Linda J., Hart, John, and Oregon State University. Extension Service
Abstract:: This publication will help you understand the importance of soil organic matter levels to good plant performance. It also contains suggestions for suitable soil amendments. Any soil, no matter how compacted, can be improved by the addition of organic matter. The result will be a better environment for almost any...
Resource Type:: Technical Report
Full Text:: has greater long-term value as a soil amendment. After composting, peppermint hay is dominated by

Effects of mulch and forest floor material on soil macro-nutrients in homogenized soil cores

Creator:: Newman, Joseph Paul
Abstract:: Effects of three mulches of tree foliage and twigs (red alder, Douglas-fir, and salal) and homogenized, partially decomposed material (forest floor) on soil macronutrients (Ca, K, Mg, P, NO3, and NH4) were evaluated in the summer of 1997. These effects were measured with buried, coated ion-exchange resin bags at two...
Resource Type:: Masters Thesis

Algunos materiales para mejorar el suelo

Creator:: Oregon State University. Extension Service
Abstract:: Para mejorar un jardín o huerto, a menudo hay que empezar con la tierra. Si su tierra no es buena, piense en mejorarla. La adición de materia orgánica es una de las mejores maneras de mejorar el suelo. En el suelo arenoso, la materia orgánica retiene nutrientes y agua. En...
Resource Type:: Technical Report
Full Text:: Algunos materiales para mejorar el suelo (Soil amendments), EC

Soil organic matter management and root health

Creator:: Darby, Heather
Abstract:: Annual applications of fresh or composted dairy manure were assessed for their effects on root rots of sweet corn and snap bean and damping-off of cucumber in a field soil. Soil biological and physical properties were measured as possible indicators of root rot suppressive potential. Regardless of amendment type or...
Resource Type:: Dissertation
Full Text:: , management of root rot of sweet corn through cover cropping coupled with soil amendment shows potential for

ScholarsArchive@OSU

Characterization of geohumus for use in turf

Ionic balance and the constituent organic acids of current-year foliage of western redcedar, western hemlock, and Douglas-fir seedlings

Effects of soil amendment treatments on survival and growth of four fast-growing tree species on degraded mine areas in the Peruvian Amazon

Facilitating the marketing of peppermint compost by determining product stability and nitrogen release characteristics

Appendix D : plant-available N release from peppermint residue

Los cultivos de cobertura : una manera fácil de mejorar el suelo

Improving garden soils with organic matter

Effects of mulch and forest floor material on soil macro-nutrients in homogenized soil cores

Algunos materiales para mejorar el suelo

Soil organic matter management and root health

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