Long-term use of fertilizer and manure nutrients on the Delmarva Peninsula has led to an enrichment of agricultural soils with phosphorus (P). Consequently, many soils in Delaware are now considered ...

Researchers looking into effective ways of adding phosphorus (P) to increase soil fertility have saved organic farmers a lot of time and money. In a recent paper in the Canadian Journal of Soil ...

Phosphorus (P) is an essential nutrient for optimum plant growth. However, continued application of manures and fertilizers to soils has led to an accumulation of P in many Delaware soils to levels ...

A map of available phosphorus across Queensland has recently been updated to include the Cape York, Northern Gulf and Southern Gulf catchments, and to more accurately reflect local areas of deficiency ...

Farmers get detailed maps of the results and training on ... The scheme’s scientific lead, Dr Rachel Cassidy, said the amount of phosphorus in the soils already tested was above the recommended ...