If you are interested in learning more about Organic Lawn Care or Core Aeration, here are some resources for you.

Interesting NY times article about Harvard Yard:

http://www.nytimes.com/2009/09/24/garden/24garden.html

or go here and watch the "This old House" episode at Harvard Yard:

http://www.uos.harvard.edu/fmo/lands...ng_video.shtml

Your county Cooperative Extension Agent

Paul Tukey's book, Organic Lawn Care

Teeming with Microbes by Jeff Lowenfels

Short article on Chemical vs Organic Lawn Care

http://www.livingturf.com/documents/Prof Schmidt on Biostimulants.pdf

http://www.organiclandcare.net/education/introduction-olc

http://www.cmg.colostate.edu/gardennotes/234.pdf

ND State article about turf growth and grazing (or mowing)

www.epa.gov/watertrain/nitrogen.html

http://soils.usda.gov/sqi/concepts/s..._food_web.html

http://www.dec.ny.gov/public/52584.html

www.organiclandcare.net - "the standards"

NOFA Standards for Organic Land Care, Practices for Design and Maintenance of Ecological Landscapes, 4th edition, 2009

http://compost.css.cornell.edu/feas.study.html

http://www.agriculture.gov.sk.ca/Com...g_Solid_Manure

http://aem.asm.org/cgi/content/abstract/10/2/108

http://dx.doi.org/10.1016/S0960-8524(02)00268-7

http://cnrit.tamu.edu/rlem/textbook/Chapter4.htm

http://www.grassland.unl.edu/grass.htm

http://www.ext.colostate.edu/pubs/natres/06108.html

Biostimulates/PGRs


Journal Publications

Impact of Seaweed Extract-Based Cytokinins and Zeatin Riboside on Creeping Bentgrass Heat Tolerance

Cytokinin-Containing Seaweed and Humic Acid Extracts Associated with Creeping Bentgrass Leaf Cytokinins and Drought Resistance

Effects of Late-Season Ethephon Applications on Cold Tolerance Parameters of Four Bermudagrass Cultivars

Effects of a Biostimulant on the Heat Tolerance Associated with Photosynthetic Capacity, Membrane Thermostability, and Polyphenol Production of Perennial Ryegrass

Physiological Recovery of Kentucky Bluegrass from Simultaneous Drought and Heat Stress

Influence of Late-Season Iron, Nitrogen, and Seaweed Extract on Fall Color Retention and Cold Tolerance of Four Bermudagrass Cultivars

Plant Growth Regulators Can Enhance the Recovery of Kentucky Bluegrass Sod from Heat Injury

Effects of Salicylic Acid on Heat Tolerance Associated with Antioxidant Metabolism in Kentucky Bluegrass

A Survey of Biostimulant Use on Football Turf and Effect on Rootzone Microbial Populations

Drought stress and paper birch (Betula papyrifera) seedlings: Effects of an organic biostimulant on plant health and stress tolerance, and detection of stress effects with instrument-based non-invasive methods

Endogenous Cytokinin Levels and Growth Responses to Extended Photoperiods for Creeping Bentgrass under Heat Stress

Influence of Sequential Trinexapac-Ethyl Applications on Cytokinin Content in Creeping Bentgrass, Kentucky Bluegrass, and Hybrid Bermudagrass

Trinexapac-ethyl and Paclobutrazol Affect Kentucky Bluegrass Single-Leaf Carbon Exchange Rates and Plant Growth

Nitrogen Use in Tifway Bermudagrass, as Affected by Trinexapac-Ethyl

Effects of Trinexapac-Ethyl Foliar Application on Creeping Bentgrass Responses to Combined Drought and Heat Stress

Hormone-Containing Products' Impact on Antioxidant Status of Tall Fescue and Creeping Bentgrass Subjected to Drought


Abstract Only:


Effects of Foliar-Applied Ethylene Inhibitor and Synthetic Cytokinin on Creeping Bentgrass to Enhance Heat Tolerance

Optimizing Dosages of Seaweed Extract-Based Cytokinins and Zeatin Riboside for Improving Creeping Bentgrass Heat Tolerance

Differential Responses of Warm-season and Cool-season Turfgrass Species to Heat Stress Associated with Antioxidant Enzyme Activity

Antioxidant Response to Harmone-Containing Product in Kentucky Bluegrass Subjected to Drought

Calcium and humic acid affect seed germination, growth, and nutrient content of tomato (Lycopersicon esculentum L.) seedlings under saline soil conditions

The Influence of Humic Acid on Turfgrass growth and development of Creeping Bentgrass

Eight questions to ask: Evaluating soil and turf conditioners

Plant growth regulators: What and why

Promises, promises: Can biostimulants deliver

Can Biostimulants Improve Bentgrass Root Growth

Feeling the Heat

Humic substances influence creeping bentgrass growth

Biostimulating turfgrasses

Biostimulants Function in Turfgrass Nutrition

Impacts on Microbes & Microbial Communities


FERTILIZERS (Organic & Inorganic)

The effects of chronic nitrogen fertilization on alpine tundra soil microbial communities: implications for carbon and nitrogen cycling

Chronic nitrogen enrichment affects the structure and function of the soil microbial community in temperate hardwood and pine forests

Chronic nitrogen additions reduce total soil respiration and microbial respiration in temperate forest
soils at the Harvard Forest

Changes in Soil Microbial Biomass and Bacterial Community in a Long-term Fertilization Experiment During the Growth of Maize

Bacterial Community Structure and Diversity in a Century-Old Manure-Treated Agroecosystem

Seasonal changes in soil microbial communities along a fertility gradient of temperate grasslands

Responses of the bacterial and fungal biomass in a grassland soil to multi-year applications of dairy manure slurry and fertilizer

Responses of grassland soil nematodes and protozoa to multi-year and single-year applications of dairy manure slurry and fertilizer

Soil microbial biomass and selected soil enzyme activities: effect of fertilization and cropping practices

Responses of Active Bacterial and Fungal Communities in Soils under Winter Wheat to Different Fertilizer and Pesticide Regimens

Spatial and seasonal variation of gross nitrogen transformations and microbial biomass in a northeastern US grassland

Abstracts


Soil biological quality of grassland fertilized with adjusted cattle manure slurries in comparison with organic and inorganic fertilizers

Fungal biomass in pastures increases with age and reduced N input

Fungal/bacterial ratios in grasslands with contrasting nitrogen management

Soil microbial community responses to dairy manure or ammonium nitrate applications

Chemical and biological indicators of soil quality in organic and conventional farming systems in Central Italy

Application of fresh and composted organic wastes modifies structure, size and activity of soil microbial community under semiarid climate

Structure and function of the soil microbial community in a long-term fertilizer experiment

The role of tree leaf mulch and nitrogen fertilizer on turfgrass soil quality

Long-term effect of mineral fertilizers and amendments on microbial dynamics in an alfisol of Western Himalayas

Ground beetle abundance and community composition in conventional and organic tomato systems of California's Central Valley

Organic and synthetic fertility amendments influence soil microbial, physical and chemical properties on organic and conventional farms

Long-term effects of organic and synthetic soil fertility amendments on soil microbial communities and the development of southern blight

Effects of cover crops, compost, and manure amendments on soil microbial community structure in tomato production systems

WATER


Influence of irrigated agriculture on soil microbial diversity

Response of microbial community composition and activity in agricultural and grassland soils after a simulated rainfall

Flooding effects on soil microbial communities

Microbial Communities in High and Low Recharge Environments: Implications for Microbial Transport in the Vadose Zone


CROP RESIDUES


Redistribution of crop residues during row cultivation creates a biologically enhanced environment for soil microorganisms

Effects of mycorrhizal roots and extraradical hyphae on 15N uptake from vineyard cover crop litter and the soil microbial community


WEEDS


Nitrogen source influences wild mustard growth and competitive effect on sweet corn

Nitrogen Fertilizer, Manure, and Compost Effects on Weed Growth
and Competition with Spring Wheat


COMPACTION & TEXTURE


Nitrogen mineralization and microbial biomass as affected by soil compaction

Microbial Responses to Wheel-Traffic in Conventional and No-Tillage Systems

Compaction alters physical but not biological indices of soil health

Active fractions of organic matter in soils with different texture


GENERAL DISTURBANCE


Microbial community responses in forest mineral soil to compaction, organic matter removal, and vegetation control

Soil microbial community composition and land use history in cultivated and grassland ecosystems of coastal California

Carbon and nitrogen conservation in dryland tillage and cropping systems

Soil Scarification and Wildfire Interactions and Effects on Microbial Communities and Carbon


PLANT COMPOSITION


Invasion by an exotic tree alters above and belowground ecosystem components