Potting Soil for delphinium
John Innes Potting Compost
Seed compost :
The loam and peat is put through in 3/8 in ( 9 mm ) sieve .
To each bushel ( 8gal/36l ) is added :
Potting Compost :
The loam and peat is put through a 3/8 in ( 9 mm ) sieve . To each bushel ( 8gal/36l ) is added
This makes John Innes Potting Compost No . 1 . For a rich admixture merely double the quantity of John Innes Base to make No . 2 or treble it to make No.3
CORNELL MIXES
From Hobby Greenhouses in Alberta
Agdex 731 - 5
The Cornell peat - Lite Mix * is formulated for farm topical plants . The Foliage Plant Mix * * and the Epiphytic Mix * * formulas are conform specifically for their respective plant types and are modifications of the original peat - lite intermixture .
Cornell has used Osmocote 14 - 14 - 14 and Peters 14 - 7 - 7 fertilizers with the tropical plant mixes with good final result . Other plant food are omitted with the exception of dolomitic limestone and 20 per cent superphosphate which are added to correct the pH and to maintain tolerable phosphorus horizontal surface . A tincture factor mix is added to see to it a balance of minor elements . Trace ingredient mixes can be buy from specialty gardening centers .
“ Cornell Tropical Plant Mixes ” by Russel C. Mott
- L.H. Bailey Hortorium , Cornell University , Ithaca , New York
Cornell Peat - lite mixture
Mix 1/2 cubic metre each of sphagnum peat moss and perlite or vermiculite . Add 6 kg dolomitic limestone , 2.4 kg ammonium ion nitrate , 1.5 kg superphoshate , and 0.3 kilo potassium chloride ( omit if using vermiculite ) .
Cornell Foliage Plant Mix
The Cornell Foliage Plant Mix was developed for those plant that need a grow culture medium with high-pitched moisture - retention characteristics . Plants having a fine rootage system or possess many fine etymon hairs are included in this mathematical group .
Cornell Epiphytic Mix
The Cornell Epiphytic Mix was developed for industrial plant that require good drain , aeration and have the ability to withstand drying between waterings . plant stimulate coarse , tuberous , or rhizomatous root are in this category .
- true fir barque come from Douglas fir , white or crimson true fir , or redwood , ground and screened to a definite size . ultimately land barque ( about 0.5 cm ) has a dry exercising weight of about 200 M per litre square block . wise barque has a pH of about 5.0 . Upon weathering , it becomes slightly more alkaline . The bark turn back some nutrients , but these will not match the requirement of growing plants .
