MAG AMP: Slow-release Fertilizer

Culture Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin almost 5 years ago.

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Grower experiment successful: use the coarse size and place on top of pot medium; moisten and let it "cake"; normal watering ensues; the cake slowly dissolves; roots not burned by it; descriptive notes; refer to A72-338+
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Mag Amp Comments
MAG AMP: A Fertilizer Magnesium ammonium phosphate plus, since 1966, magnesium potassium phosphate; formula 7-40-6; good for species; incor porate into potting mix; slow-release. A68-1057; A77-1000; OWD 0
MAG AMP: Applying in Daily Waterings A slow-release fertilizer dispensed a brass cylinder 12 inches by 1.5, filled with Mag Amp placed in line of the watering hose; changed monthly; refer to OA78-216 0
MAG AMP: Fertilizer Dispenser Homemade Consists of a piece of PVC pipe 50cm long inside measuremnt of 3.8cm with male thread, reducers 2.5 cm. at each end, a plastic filter 3.8 cm. at the end nearest the outlet hose, a connector to the tap and to the greenhouse hose; PVC pipe is filled with Magamp, and the water run through for weekly water/feeding and is changed once a month. Au82-274 0
MAG AMP: In a Comparative Test This Proved Best Cymbidiums grown in a uniform mix separated into batches and fed with nine different fertilizers, including Aquasol, Fish Emulsion, Osmocote, etc., proved Magamp+K produced the most flower spikes. Au82-32; see also AQUASOL for the same song on this theme.Au84-198 0

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