Fertilizing

Gene Mirro mirrog@yahoo.com
Mon, 15 Apr 2013 19:47:13 PDT
Most of the readily available watering cans make too much flow.  You can apply the nutrient solution with an eye dropper, but it’s time-consuming.  You can spray it on with a small pump-up sprayer, and then wash it in by spraying with water.  Or you can use a small watering can and regulate the flow by covering the outlet with your finger.  

Here’s a crazy idea to help you figure out if you’ve applied too much or too little fertilizer.  It takes a long time for bulb seedlings to visibly respond to soil fertility and water.  So I let a weed or an annual seedling grow in each pot.  I call them indicator plants.  They will give you early warning if the mix is getting too dry, or if there isn’t enough fertilizer.  There are some other advantages.  Bulb seedlings don’t often make well-developed root systems.  The indicator plant will fill the pot with roots, making it possible to transplant the whole thing without it falling apart.  Also, when the bulb seedlings go dormant and you stop watering, the indicator plant will suck most of the water out of the potting mix before it dies.  Depending on the bulb, this may be a great benefit in keeping the dormant bulbs from rotting.  It also allows you to grow them in a heavier, more retentive mix.  If you want to kill the indicator plant, you can do it with a carefully placed drop of Roundup.  Do not use an extremely rampant plant like clover as an indicator plant.
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