Search Results - "Drinkwater, L.E"

Replacing bare fallows with cover crops in fertilizer-intensive cropping systems: A meta-analysis of crop yield and N dynamics by Tonitto, C., David, M.B., Drinkwater, L.E.

“…The availability of Haber-Bosch nitrogen (N) has permitted agricultural intensification and increased the productive capacity of agroecosystems; however,…”
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Diversity of rhizobia in soybean [ Glycine max (Vinton)] nodules varies under organic and conventional management by Grossman, J.M., Schipanski, M.E., Sooksanguan, T., Seehaver, S., Drinkwater, L.E.

“…► We analyzed rhizobia found in organic and conventionally managed fields. ► We found increased diversity of rhizobia in organic fields. ► Only one…”
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Short‐Term Dynamics of Root‐ and Shoot‐Derived Carbon from a Leguminous Green Manure by Puget, P., Drinkwater, L.E.

“…Although roots are an important source of soil organic matter (SOM) and are thought to be the major constituent of the particulate organic matter (POM)…”
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Effect of compost addition and crop rotation point upon VAM fungi by Douds, D.D., Galvez, L., Franke-Snyder, M., Reider, C., Drinkwater, L.E.

“…Populations of vesicular-arbuscular mycorrhizal (VAM) fungi and mycorrhiza formation were examined in a field experiment studying the agricultural application…”
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How to get your paper published in ‘Agriculture, Ecosystems & Environment’ by Veldkamp, A., Li, Y., Alignier, A.M., Audet, P., Bajocco, S., Chen, X., Cheng, Y., Drinkwater, L.E., Lewis, K.A., Petit, S., Saggar, S., Toyota, K., Zheng, X.

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Nutrient Imbalances in Agricultural Development by Vitousek, P.M, Naylor, R, Crews, T, David, M.B, Drinkwater, L.E, Holland, E, Johnes, P.J, Katzenberger, J, Martinelli, L.A, Matson, P.A, Nziguheba, G, Ojima, D, Palm, C.A, Robertson, G.P, Sanchez, P.A, Townsend, A.R, Zhang, F.S

“…Nutrient additions to intensive agricultural systems range from inadequate to excessive--and both extremes have substantial human and environmental costs…”
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Understanding the variability in soybean nitrogen fixation across agroecosystems by Schipanski, M. E, Drinkwater, L. E, Russelle, M. P

“…Legume-based cropping systems have the potential to internally regulate N cycling due to the suppressive effect of soil N availability on biological nitrogen…”
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Effect of tillage and farming system upon VAM fungus populations and mycorrhizas and nutrient uptake of maize by Galvez, L., Douds, D.D., Drinkwater, L.E., Wagoner, P.

“…Low-input agricultural systems that do not rely on fertilizers may be more dependent on vesicular-arbuscular mycorrhizal [VAM] fungi than conventionally…”
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Fundamental differences between conventional and organic tomato agroecosystems in California by Drinkwater, L. E., Letourneau, D. K., Workneh, F., van Bruggen, A. H. C., Shennan, C.

“…In an integrated, multidisciplinary study we compared ecological characteristics and productivity of commercial farms categorized as either organic (ORG) or…”
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Effects of tillage intensity on nitrogen dynamics and productivity in legume-based grain systems by Drinkwater, L.E., Janke, R.R., Rossoni-Longnecker, L.

“…In 1988 an experiment was established at the Rodale Institute Experimental Farm to study weed control and nitrogen (N) management in rotations with grain crops…”
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An overwintering cover crop increases inoculum of VAM fungi in agricultural soil by Galvez, L., Douds, D.D., Wagoner, P., Longnecker, L.R., Drinkwater, L.E., Janke, R.R.

“…We conducted a field experiment within a low-input reduced tillage trial to determine how a cover crop affects inoculum levels of vesicular-arbuscular…”
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Variables associated with corky root and phytophthora root rot of tomatoes in organic and conventional farms by Workneh, F, Van Bruggen, A.H.C, Drinkwater, L.E, Shennan, C

“…In 1989 and 1990, a comparative study of organic and conventional tomato-production systems in the Central Valley of California was conducted to determine the…”
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Effects of soil management on crop nitrogen and insect damage in organic vs. conventional tomato fields by Letourneau, D.K., Drinkwater, L.E., Shennan, C.

“…To detect if different soil management practices had an impact on the crop in terms of tissue nitrogen, and thereby influenced herbivore damage, tomato plants…”
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Free-living nitrogen-fixing bacteria in temperature cropping systems: influence of nitrogen source by DeLuca, T.H, Drinkwater, L.E, Wiefling, B.A, DeNicola, D.M

“…Sustainable cropping systems rely on a minimum of external inputs. In these systems N is largely acquired in animal manures and leguminous green manures…”
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Enhancing Undergraduate Agro-Ecological Laboratory Employment through Experiential Learning by Grossman, J.M, Patel, M, Drinkwater, L.E

“…We piloted an educational model, the Sustainable Agriculture Scholars Program, linking research in organic agriculture to experiential learning activities for…”
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