THE part played by humic manures in soil processes and in plant nutrition, both as a source of mineral elements and by improving the physical condition of the soil, is well known. The advantages ...

The columnist notes some reasons for composting being so beneficial. All you need to start is to pile materials from leaves, ...

‘Extensive’ methods, in imitation of the large scale, fully mechanised corn-growing of certain overseas ... of agricultural waste products into humus. But, condemning separate methods such ...