Why Use Organic Fertilizers?

Why Organic?produced feed, and kept in living conditions conducive
It has been said that the externalized cost ofto natural behavior, and lack of strain.
chemical agriculture is being paid in the form ofThis Organic Guarantee System (OGS) lists these as
resource deletions, contaminated water, co2the acceptable natural organic fertilizer choices.
emissions and greenhouse gases, soil depletion, andPlant and Animal Sources:
loss of species. The human cost is equally large. Loss• Farmyard manure, slurry and urine
of family-run farms and agriculture, the extermination• Guano
of small towns and local economies, the sickness and• blood meal, meat meal, bone, bone meal
cost caused by unregulated chemical and pesticide• hoof and horn meal, feather meal, fish and fish
use, the loss of nutritional value in our food, and theproducts, wool, fur, hair, dairy products
hunger, and death of poor countries who produce for• biodegradable processing by-products, plant or
export instead of feeding it's own people.animal origin, e.g. by-products of food, feed, oilseed,
With this knowledge, it's no wonder people arebrewery, distillery or textile processing.
looking for alternate forms of farming. Organic is the• Crop and vegetable residues, mulch, green
next logical step. From the soil to the table there aremanure, straw
organic options for every level of gardener. This• wood, bark, sawdust, wood shavings, wood ash,
article will discuss the virtues and options in organicwood charcoal
fertilizers.• seaweed and seaweed products
For the organic purist, organic fertilizer is something• peat (prohibited for soil conditioning) (Excluding
that comes from the surrounding land (manure fromsynthetic additives; permitted for inclusion in potting
your own livestock or "waste" from your ownmixes.)
garden). The fertilizer is recycled, often composted.• Plant preparations and extracts
Organic purists focus on soil health and use rotations,Most countries follow these strict guidelines, some
fallows, green manures and compost to maintainwith their own discrepancies. For instance Canadian
fertility.standards are more stringent than some other
For the not so purist, resources used in organiccountries. Raw manure and human sludge are not
fertilizer must be sustainably used, and come frompermitted on their organic fertilizer list.
natural resources.Mineral Origin organic fertilizers
Whatever your reason for choosing to go organic, it• basic slag
is important to know that there are organizations• calcareous and magnesium amendments
which have strict international guidelines to deem an• limestone, gypsum, marl, chalk, sugar beet lime,
item 'organic'. This includes fertilizers and food.Thiscalcium chloride
Organic Guarantee System (OGS) brings together• magnesium rock, kieserite and Epsom salt
the organic world through common standards,(magnesium sulfate)
verification, and market identity. These organizations• mineral potassium (e.g. sulfate of potash, muriate
are very important in setting standards for aof potash, kainite, sylvanite, patent kali) (Shall only be
guaranteed organic product.obtained by physical procedures but not enriched by
Basic principalschemical processes)
Organic foods and other products are made from• natural phosphates
organically produced ingredients that are processed• pulverized rock, stone meal
primarily by biological, mechanical, and physical• clay (e.g. bentonite, perlite, vermiculite, zeolite)
means.Natural, renewable, biological and regenerative• sodium chloride
resources are the basis of organic production and• trace elements
processing systems. Organic matter is recycled to• sulfur
maintain the soil fertility of organic agriculture.Microbiological organic fertilizers
Availability of nutrients in the soil is primarily• Biodegradable processing by-products of microbial
dependent of its own soil organisms. Cultural and localorigin. For example - by-products of brewery or
practices manage the problems of pests, weeds anddistillery processing.
disease. As well, livestock is managed with organically