Acidity and alkalinity of soils

Posted on 13/07/201619/12/2016 by Margaret Vickers

While plants differ from each other in terms of their tolerance for acidity or alkalinity, most plants do best in neutral soil. This is because roots cannot absorb nutrients such as nitrogen, phosphorus and potassium if the soil is too acidic, and they cannot absorb trace elements like iron, manganese and copper if the soil [more]

Plants roots and soil

Posted on 13/07/201619/12/2016 by Margaret Vickers

Healthy plants develop by taking in nutrients through the roots. Roots can only absorb nutrients that are dissolved, so solid soil components and compost need to be broken down through the action of soil micro-organisms. Thousands of fungi and soil bacteria naturally exist in fertile soil, but worm castings are also a great source [more]