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Another term adopted by the industry is grass-finished (also, 100% grass-fed [7]), for which cattle are said to spend 100% of their lives on grass pasture. The Agricultural Marketing Service of the United States Department of Agriculture previously had a regulated standard for certification as "Grass Fed" meat, but withdrew the standard in 2016.
Base-cation saturation ratio (BCSR) is a method of interpreting soil test results that is widely used in sustainable agriculture, supported by the National Sustainable Agriculture Information Service (ATTRA) [1] and claimed to be successfully in use on over a million acres (4,000 km 2) of farmland worldwide.
Basic cations like calcium are leached from the soil as acidic rainfall flows, which allows aluminum and proton levels to increase. [3] [4] Nitric and sulfuric acids in acid rain and snow can have different effects on the acidification of forest soils, particularly seasonally in regions where a snow pack may accumulate during the winter. [5]
A study found that grazing in US virgin grasslands causes the soil to have lower soil organic carbon but higher soil nitrogen content. [145] In contrast, at the High Plains Grasslands Research Station in Wyoming , the soil in the grazed pastures had more organic carbon and nitrogen in the top 30 cm than the soil in non-grazed pastures. [ 146 ]
Global variation in soil pH. Red = acidic soil. Yellow = neutral soil. Blue = alkaline soil. Black = no data. Soil pH is a measure of the acidity or basicity (alkalinity) of a soil. Soil pH is a key characteristic that can be used to make informative analysis both qualitative and quantitatively regarding soil characteristics.
In many cases the production of grass for cattle fodder is a valuable intercrop between crops for human consumption, because it builds the organic matter in the soil. [ citation needed ] When evaluating if this soil organic matter increase mitigates climate change, both permanency of the added organic matter as well as emissions produced during ...
Scraps fed to pigs are called slop, and those fed to chicken are called chicken scratch. Brewer's spent grain is a byproduct of beer making that is widely used as animal feed. Compound feed is fodder that is blended from various raw materials and additives. These blends are formulated according to the specific requirements of the target animal.
Lime can improve crop yield and the root system of plants and grass where soils are acidic. It does this by making the soil more basic, allowing the plants to absorb more nutrients. Lime is not a fertilizer but can be used in combination with fertilizers. [3] [4] Soils become acidic in several ways. Locations that have high rainfall levels ...