Science news articles about 'animal manure'

... farmers recycle manure safely and avoid polluting watercourses. Organisms such as E coli may be present in animal manure and can pose a serious threat to human health. Irrigated crops are sometimes ...

... primarily due to lower nitrogen availability in the organic systems, which rely on legume crops and animal manures. Weed competition also contributed to lower corn grain yields in organic systems. For ...

... compounds are not approved for use in the United States. Untreated human waste and animal manure are often used to treat soils or aquaculture ponds. Not surprisingly, contaminants found in imported ...

... cultivation method consisted of growing the vegetables on soil which had a low input of nutrients using animal manure and no pesticides except for one organically approved product on kale only. The ...

... greenhouse gases. Recent inventories suggest that animal manure makes a significant contribution to global ... field. Further study on oil spray in animal barns is needed to optimize its application method ...

Agricultural crop production relies on composted waste materials and byproducts, such as animal manure, municipal solid waste composts, and sewage sludge, as a necessary nutrient source. Studies have ...

... of sources. Agricultural land receiving long term applications of organic by-products such as animal manure is one of the major contributors. Such soils often become enriched with P, leading to ...

Waste from the textiles industry could with the assistance of earthworms and some animal manure become a rich compost for agriculture, according to a report in the International Journal of Environment ...