Search Results - "Shuman, L.M"

Heavy metal movement in metal-contaminated soil profiles by LI, Z, SHUMAN, L. M

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Effect of organic waste amendments on zinc adsorption by two soils by Shuman, L.M

“…Two soils (fine and coarse textured) were amended with five organic wastes or humic acid. One adsorption experiment was carried out at 1 mmol L super(-1) Zn…”
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Extractability of zinc, cadmium, and nickel in soils amended with EDTA by Li, Z. (University of Georgia, Griffin, GA.), Shuman, L.M

“…Synthetic chelating agents are produced in large quantities for use in many industrial applications. Certain chelates, such as ethylenediaminetetraacetic acid…”
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Effect of phosphorus level on extractable micronutrients and their distribution among soil fractions by Shuman, L.M. (Univ. of Georgia, Experiment, GA)

“…Reduced tillage can cause high P levels at the soil surface which may influence soil properties so as to redistribute micronutrient metals among soil fractions…”
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Phosphorus and Nitrate Nitrogen in Runoff Following Fertilizer Application to Turfgrass by Shuman, L.M

“…Intensively managed golf courses are perceived by the public as possibly adding nutrients to surface waters via surface transport. An experiment was designed…”
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Organic waste amendments effect on zinc fraction of two soils by Shuman, L.M.

“…Organic soil amendments can ameliorate metal toxicity to plants by redistributing metals to less available fractions. The objective of this study was to…”
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Fertilizer source effects on phosphate and nitrate leaching through simulated golf greens by Shuman, L.M.

“…In general, more P than N leached from both field and greenhouse lysimeters. Phosphorus and nitrogen leached from high-porosity golf greens can adversely…”
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Predicting runoff and associated nitrogen losses from turfgrass using the root zone water quality model (RZWQM) by Schwartz, L, Shuman, L.M

“…Nitrogen fertilizers are used to maintain optimum turfgrass quality, but off-site movement of this primary nutrient can affect water quality. We conducted a…”
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Normal and flush irrigation effects on nitrogen leaching from simulated golf greens in the greenhouse by Shuman, L.M

“…Nitrogen (N) can leach in porous golf greens, especially when they are flushed with high rates of irrigation. Drain water often discharges to the surface,…”
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Normal and flush irrigation effects on phosphorus leaching from simulated golf greens in the greenhouse by Shuman, L.M

“…Fertilizer nutrients have the potential to leach from porous golf greens, especially when "flushing" is practiced where 8 or 10 cm of irrigation is applied. A…”
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Effect of organic waste amendments on cadmium and lead in soil fractions of two soils by Shuman, L.M

“…Certain organic soil amendments have been found to ameliorate metal toxicity to plants. A study was undertaken to determine the effects of organic amendments…”
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Fractions and availability of nickel in loessial soil amended with sewage or sewage sludge by Wang, Pengxin, Qu, Erfu, Li, Zhenbin, Shuman, Larry M.

“…Application of sewage effluent or sewage sludge to cropland may increase Ni content in soil and plants, and affect food quality. In this study, soil and winter…”
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Separating soil iron- and manganese-oxide fractions for microelement analysis by Shuman, L. M.

“…Since sodium dithionite (Na2S2O4) is often contaminated with zinc (Zn) and can form metal sulfide precipitates, it is not suitable for solubilizing iron (Fe)…”
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Effect of rice variety on zinc, cadmium, iron, and manganese content in rhizosphere and non-rhizosphere soil fractions by Shuman, L.M. (University of Georgia, Griffin, GA.), Wang, J

“…In research on selecting rice (Oryza sativa L.) cultivars that are resistant to metal toxicity, an experiment was carried out with the objective of determining…”
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Tillage, lime, and poultry litter effects on soil zinc, manganese, and copper by Shuman, L.M, McCracken, D.V

“…Long-term no-tillage has profound effects on soil properties which can affect the availability of plant nutrient elements. The objectives were to study the…”
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Effect of ionic strength and anions on zinc adsorption by two soils by Shuman, L.M

“…It is important to assess the effects of ionic strength and type of anion when studying adsorption of metals on soils and soil components because the…”
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Effect of liming on the distribution of manganese, copper, iron, and zinc among soil fractions by Shuman, L. M.

“…Understanding the effect of soil pH on the distribution of micronutrients among soil forms is a necessary precursor to designing micronutrient extractants that…”
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Tillage, lime, and poultry litter effects on plant concentrations of zinc, manganese, and copper by Shuman, L.M, McCracken, D.V

“…Minimum tillage cropping systems and the use of animal manures on cropland are becoming more prevalent. An experiment was initiated to determine the effects of…”
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Effect of tillage on the distribution of manganese, copper, iron, and zinc in soil fractions by Shuman, L.M, Hargrove, W.L

“…The availability of micronutrients is affected by soil properties such as pH, organic matter content, and clay mineralogy. Some of these properties can be…”
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Zinc adsorption isotherms for soil clays with and without iron oxides removed by Shuman, L. M.

“…The clay fraction from four predominant Georgia soils sampled at two depths was separated and the iron oxides removed from a portion of each clay sample. These…”
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