Estimate Soil Texture-by-Feel

US Fed News Service, Including US State News;  October 14, 2008 ;     515 words ......news release: The ability to estimate soil texture-by-feel is an important skill that...Many soil properties depend largely on soil texture, and texture impacts most land-use decisions. Soil texture strongly influences the nutrient holding...

soil texture

A Dictionary of Geography;      45 words ...soil texture The make‐up of the soil according to the proportions of sand, silt, and clay present. Twelve different textural classes...

ternary diagram

A Dictionary of Geography;      25 words ...ternary diagram A triangular graph used to illustrate the percentages of three components where the total percentage is 100%. See soil texture for an illustration.

Tillage and perennial grass effects on ponded infiltration for seven...

Journal of Soil and Water Conservation;  July 1, 2006 ;     700+ words ......al., 1986), but small differences in soil texture or crop residue production can have...deposit on the Columbia Plateau, and soil texture at each site is relatively uniform over...prevailing wind that determined gradations in soil texture also determines annual precipitation...

Biofilm growth-percolation models and channeling in biofilter...

Journal of the Air & Waste Management Association;  August 1, 2007 ;     700+ words ...ABSTRACT Biomass accumulation is a load-limiting factor...distributions and predicts biomass accumulation, head loss, and treatment...likely to occur first. (6-8) Biomass accumulation leads to reduction of interparticle...

BIOMASS CHANGES OF AN ACACIA MANGIUM PLANTATION IN SOUTHERN CHINA

Journal of Tropical Forest Science;  April 1, 2008 ;     700+ words ......This article reports on A. mangium biomass accumulation over a period of 15 years in a plantation...factor to biomass growth. Keywords: Biomass accumulation, vegetation recovery REN, H. &...He et al. 2006). In this study, biomass accumulation was monitored in an A. mangium ...

Healthy soil has a split personality.

The Boston Herald;  March 15, 1998 ;     373 words ......dirt; I mean real dirt - like the soil in your garden. Good soil texture - a balanced mix of sand, clay and silt - is critical. Too...percent sand is considered sandy. To correct an imbalance in soil texture, do (ITAL)not(END ITAL) add the missing ingredient. Instead...

parent material

A Dictionary of Geography;      44 words ...parent material The rock or deposit from, and on which, a soil has been formed. The nature of the parent rock will largely determine the nature of the regolith , and hence the soil texture; thus, basalt tends to produce clay soils while granite generally gives rise to sandy soils.

TRICKS OF THE TRADE: Drought has left a dust bowl.(Features)

Sunday Mirror (London, England);  January 7, 2007 ;     57 words ......How can I improve the soil? - Jenny Walsh, Cambs. A ADRIENNE SAYSWhether you've clay or sand, you can't do much about your soil texture. However, you can do something about the structure of your soil. Dig in soil conditioner, such as well-rotted compost and...

A Comparison of Soil Test Kits for Use in the Secondary Classroom

The American Biology Teacher;  November 1, 2003 ;     700+ words ......samples each were also analyzed for soil texture using a Jar method described by Cahilly...all of the testing methods (Table 2). Soil texture measurements were consistent and similar...and Plant Analysis Lab and Jar method. Soil texture measurements were more variable using...

Use of soil texture analysis to predict subsurface fracturing in glacial...

The Ohio Journal of Science;  April 1, 2006 ;     700+ words ......graphical methods. When plotted on the USDA soil texture ternary diagram, the data indicate that...95% hexagonal confidence region for soil texture data, tills with less than 55% sand...used as a source of drinking water. Soil texture is one of the principal factors affecting...

Long-term trends in fertility of soils under continuous cultivation and...

Australian Journal of Soil Research;  May 1, 2007 ;     700+ words ......litter pools, active, slow, and passive SOM pools. Soil texture regulates the transfer of C between the SOM pools...with monthly precipitation and temperature and soil texture. Soil texture regulates the rate of transfer between slow and...

Irrigation Hinges on Soil and Water Characteristics.

Irrigation Journal;  March 1, 2001 ;     700+ words ......important role in irrigation management. Soil texture - is determined by the size and type...are clay, and silt is in between. Soil texture is based on the percentage of sand, silt, and clay. Soil texture classes may be modified if greater...

Gardens benefit from mulching

The Patriot Ledger Quincy, MA;  March 20, 2003 ;     41 words ...A 2- to 3-inch layer of organic mulch, like pine-needles or bark mulch, provides many benefits, including: Retaining soil moisture Minimizing weeds Adding a neat appearance Improving soil texture Blanketing plants in cool spring Keeping roots cool in hot weather

The effect of soil texture and roots on the stable carbon isotope...

Australian Journal of Soil Research;  January 1, 2003 ;     700+ words ......fine mineral material in the soil. The fundamental role that soil texture plays in determining soil carbon storage is well known (Schimel...Jackson 2000; Bird et al. 2002a, 2002b) but the postulate that soil texture exerts significant control on bulk SOC [[delta].sup.13]C...