According to Delaware law (3 Del. C. § 2247), applications of P to “high P soils cannot exceed the total phosphorus removal in a planned crop rotation unless a different management practice is ...

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 ...

Phosphorus is never readily soluble in the soil but is most available in soil with a pH range centered around 6.5. Extremely and strongly acid soils (pH 4.0-5.0) can have high concentrations of ...

Soil is the foundation of a successful growing season. Soil testing is the easiest thing that people tend to overlook. A ...

A basic soil test measures phosphorus, potassium, pH ... Anyone who has a garden in an urban environment should test the soil for lead. Lead can be toxic at high concentrations. Contamination can ...

Soil testing and proper fertilization are key to productive warm-season forages in Missouri, says Rudra Baral, MU Extension ...

It is precisely because phosphorus is rare and so difficult to obtain, yet subject to high demand by living organisms, that scientists have long wondered how life could have arisen at all.

The range of climates and environments across China pose distinct challenges for farming systems. Different agricultural approaches are needed for three major soil types found in the country ...