Category: Culture

OFF MIX: Composition

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago 57% fir bark, 32% coarse peat (poultry grade), 5% Palco wool (redwood fiber), 6% Perlite (coarse); to each 10 cu.ft. add 4 lbs. bone meal, 1/2 lb. superphosphate, 1/4 lb. Ureaform nitrogen and 1.5 ... Read More

OFF MIX: Composition, Altered

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago 7 pts. fir bark medium size, 1 pt. coarse German peat, 1 pt. Palco wool; to each cu.ft. add: 3 lbs. pulverized limestone, 1 lb. single superphosphate, 1/2 lb. processed tankage, 1/2 lb. of 5-10-5 f... Read More

OFF MIX: Composition, Modified

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago 1 pts. fir bark, 1 pt. Perlite, 1 pt. German poultry peat, 1 pt. shredded Palco wool. ODA75(l) 24The 7-1-1-1 mix: 7 pts. fir bark medium grind, 1 pt. each of coarse peat moss, redwood bark regular ... Read More

OHIO W.P.SOLUTION: Fertilizer Used Experimentally in Gravel Culture

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago For proportions of seven chemicals included, refer to N304 Read More

ORCHID CHIPS: Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A European plastic material made from polystyrene (Styropor or Polystyro 1) prepared for horticultural purposes; looks like strips of paste; retains on surface three to four times its weight in wat... Read More

OSMOCOTE: Pot Surface Dressing Fertilizer

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago As a slow-release feed it is more effective than bonemeal or a formula such as 6-6-6 dry. A79-370 Read More

CARBON DIOXIDE: Percentages of Composition

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago In air it is about three hundredths of one percent; plants can use greater amounts to approximately 0.5 to 1%; data not related to orchids. OR72-34 Read More

OSMOCOTE: Why Does it Kill Plants?

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Most unusual, many growers find it safe and satisfactory; try it with heavy watering. A78-606 Read More

OSMOCOTE: Will Pellets Burn Roots?

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago It is safe; growers have had very good results; for bark use 18-9-9; many use the 14-14-14. A77-1101 Read More

FERTILIZERS: 30-10-10 with Soil Acidifiers and Chelated Iron

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago A suitable fertilizer, use 1/2 tpg. at every watering but let 10% of the liquid run out of the pot for leaching action. A74-114 Read More