natural fertiliser BrE , także: natural fertilizer

Other traditional practices used within the garden are coppicing and leaf harvesting to create a natural fertiliser.

The nutrient rich biosolids are then provided to farmers free-of-charge to use as a natural fertiliser.

This is also an efficient way of attracting wildlife that live in the holes formed, which gives the red gum a source of natural fertiliser.

We still have the option to use natural fertiliser today, although guano is best used sparingly and with caution as it is overly rich.

As the sands and cliffs around Bude contain calcium carbonate (a natural fertiliser), farmers used to take sand from the beach, for spreading on their fields.

Originally grown using vraic as a natural fertiliser giving them their own individual taste, only a small portion of those grown in the island still use this method.

Traditional crofting practice, which involves summer agriculture using seaweed together with dung from winter grazing animals as natural fertiliser, has, over time, bound together and stabilised the land.

Two young American businessmen have developed a green alternative to polystyrene packaging, which is made from farm waste and mushrooms, uses one tenth of the energy to produce and biodegrades into a natural fertiliser.

The company invested in the application of Maddingley brown coal as a soil conditioner and natural fertiliser replacement for super phosphate, and the development of bench test equipment to produce batch samples of densified coal.

With the manure provided by so many beasts, there was some hope of success in making productive the marginal soils of the Weald, particularly where natural fertiliser was augmented by a wide variety of other fertilisers, lime, meat and even scraps from the villages.

More than a tenth of the world's soils have lost a substantial amount of their natural fertiliser in the past 45 years, according to the first results of a 15-year Global Assessment of Soil Degradation, funded by the UN Environment Programme.