We have moved - but just up the street to 38 Chapel Street and our new hours are

Monday 0930 to 1730
Friday 0930 to 1730
Saturday 0930 to 1230

We are available for consultation and site visits at these times- other times by appointment by email (robin@soladome.com.au)

After 35 years at 44 Chapel Street it was time for a change to a web based operation and to offer guidance based on many years of practical experience.

 

 

Nutrient solutions - more technical

Hoagland & Arnon in U.S.A. in 1938 developed a nutrient solution for laboratory research purposes and their formula is listed below. To the right of their formulation is the general range of nutrient elements used by plants...

Hoagland & Arnon in U.S.A. in 1938 developed a nutrient solution for laboratory research purposes and their formula is listed below. To the right of their formulation is the general range of nutrient elements used by plants.

Element

PPM

Range PPM

K

potassium

279

200 - 400

N

nitrate NO3

196

70 - 200

N

nitrate NH4

 

0 - 31

P

phosphorous

31

30 - 90

Ca

calcium

160

150 - 400

S

sulphur

64

60 - 333

Mg

magnesium

48

25 - 75

Fe

iron

0.8

0.5 - 5

Mn

manganese

0.25

0.1 - 1

B

boron

0.06

0.1 - 1

Zn

zinc

0.05

0.02 - 0.2

Cu

copper

0.02

0.02 - 0.2

Mo

molybdenum

0.04

0.01 - 0.1

 

Chlorine

 

to 350

This information is given as a guide only - different crops, growing environments and growth stages will require different nutrient formulations. Refer to reading list for more information.