Agriculture Reference
In-Depth Information
Table 3.15
Examples of Manures and Organic Fertilizers for Use in Organic Viticulture
Material
N
P
K
Cu
Zn
Mn
Comments
Pelleted poultry
manure
a
3-4.6
1-2.8
1.2-1.7
30-170
220-300
300-580
Composted; variable depending on age and
content of straw or sawdust
Blood and bone
a
7-8
4-5
Slow release of N and P
Hoof and horn meal
a
7-16
Slow release of N
Fish meal
b
12
1.4
7
Appliedasaliquidcontaining50%solids
Compost
a
1.6-1.9
0.8-0.9
0.8-1.2
100-200
700-900
300-400
Variabledependingonageandmaterialused
Seaweed extract (e.g.
Tasmanian Bull
Kelp; seaweed from
Nova Scotia)
b
0.75-2
0.15-1.3
1.2-16
1-10
25-75
8-12
Usually applied as a foliar spray but can be
used as a soil drench; boron content is high
at 75-150 mg/kg; contains plant growth
hormones and amino acids
a
Units for macronutrients (percent) and micronutrients (milligrams per kilogram) on a dry matter basis.
b
Unitsformacronutrients(percent)andmicronutrients(milligramsperkilogram)byweightofproductcontainingvaryingamountsofliquid.
Compiled from Goldspink and Howes (2001), White (2003),
www.natrakelp.com.au
, and product pamphlets.
