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Illinois' ecology is in a land area of 56,400 square miles (146,000 km 2); the state is 385 miles (620 km) long and 218 miles (351 km) wide and is located between latitude: 36.9540° to 42.4951° N, and longitude: 87.3840° to 91.4244° W, [1] with primarily a humid continental climate.
Under wet soil moisture conditions, iron and manganese are mobilized and reduced. The manganese may be partly responsible for the dark color of the soil profile. Cryerts: They have a cryic soil temperature regime. Cryerts are most extensive in the grassland and forest-grassland transitions zones of the Canadian Prairies and at similar latitudes ...
Illinois is predominantly covered with soil, hundreds of feet thick in many places. Much of this soil is called, appropriately, "Illite", and is the most common type of soil on the planet. The visible geology of the state is mainly Quaternary, with rocks buried deeply. The wealth of the state mainly arises from this abundance of soil and the ...
These maps show a scale, or index of greenness, based on several factors: the number and type of plants, leafiness, and plant health. Where foliage is dense and plants are growing quickly, the index is high, represented in dark green. Regions with sparse vegetation and a low vegetation index are shown in tan.
Tilth is a physical condition of soil, especially in relation to its suitability for planting or growing a crop. Factors that determine tilth include the formation and stability of aggregated soil particles, moisture content, degree of aeration, soil biota, rate of water infiltration and drainage.
Like many larger farms, she plants cover crops in fields that would otherwise be bare between planting season, along with no-till practices. That keeps organic matter in the soil, helping to ...
Cornus amomum is a native eastern North American shrub, finding suitable habitat in wetland areas like swamps, marshes, and bogs. [citation needed] The distribution of the shrub also extends west past the Mississippi river to the eastern borders of Kansas, Nebraska, and parts of northern Oklahoma.
Kankakee Sands is a 10,000-acre (4,000 ha) complex of tallgrass prairie and oak savanna restorations and remnants in Kankakee County, Illinois and Newton County, Indiana. [1] [2] It is managed by The Nature Conservancy staff and volunteers.