THE following report is intended to summarize briefly some of the main findings discovered in an investigation of the metabolism of organic nitrogen compounds in soil, with particular reference to ...
If the soil condition is poor organic matter can be added at the same time as digging. The best time to dig is from October through December, when the soil is free of frost and can be left to ...
Soils are composed of a mixture of sand, silt, clay and organic matter. Both the clay and organic matter particles have a net negative charge. Thus, these negatively-charged soil particles will ...