Weed manures

Weed manures are made from weeds which out-compete cultivated crop plants and as a result contain vital nutrients often missing from soils. Nettles and dandelions are high in calcium, iron, and magnesium, while thistles are high in phosphorus as well as trace elements...

Compost tea

Compost teas are plant-based sprays made by aerating finished compost in water. Aeration activates beneficial micro-organisms and helps them multiply. Compost teas improve soil biology when sprayed on the soil, and as foliar sprays they aid disease suppression and...

Fern Liquid Manure

Fern Liquid Manure | A resinous-scented liquid manure made from fern (Polystichium filix-mas) which French consultant Michel Barbaud claims can discourage attacks from grape berry moths and the leaf hopper vector of the Flavescence Dorée (grapevine yellows)...

Pfeiffer Field Spray Concentrate

Pfeiffer Field Spray Concentrate | A plant-based spray created by Dr Ehrenfried Pfeiffer. It is made in a similar way to his compost starter (Pfeiffer Compost Starter) but was intended to be sprayed directly on farmland. Its role was to build humus and help stubble or...

Equisetum Plus©

Equisetum Plus® | A biochemical SiO2 plant health promoter developed from the Common Horsetail plant (Equisetum arvense) by Andreas Welte in New Zealand. It conforms to organic and Biodynamic certification standards. How it works | Equisetum Plus® has a high silica...

Dandelion tea

Dandelion tea | A plant-based spray used in organic and Biodynamic farming, gardening and wine-growing to prevent downy mildew (peronospera). Dandelion roots are used in remedies to treat humans, notably to relieve skin ailments. For vines and other crops however the...