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Teaming with Microbes: A Gardener's Guide to the Soil Food Web
$5.79
Smart gardeners know that soil is anything but an inert substance. Healthy soil is teeming with life - not just earthworms and insects, but a staggering multitude of bacteria, fungi, and other microorganisms. When we use chemical fertilizers, we injure the microbial life that sustains healthy plants, and thus become increasingly dependent on an arsenal of artificial substances, many of them toxic ...
Rodale's All-New Encyclopedia of Organic Gardening: The Indispensable Resource for Every Gardener
$2.99
Over 400 entries of the most practical, up-to-date gardening information ever, collected from garden experts and writers nationwide!"Gardens are places to renew yourself in mind and body, to reawaken to the truth and beauty of the natural world, and to feel the life force inside and around you. And the organic way to garden is safer, cheaper, and more satisfying. Organic gardeners have shown that ...
pH Control Kit - General Hydroponics
$12.75
Contains Ph Up (add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level), Ph Down (uses food grade Phosphoric acid to lower the pH to the proper level), and Ph Test Indicator (fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Use 3 drops per 5mL of solution)....
Advanced Nutrients Dr. Hornby's Big Bud Powder, 130 g
$19.49
Big Bud gives you:
* Larger Flowers
* Heavier Flowers
* Denser Flowers
* Protected, Safer Flowers
* More Budding Sites
* Better-Formed Flowers
* Higher Value Flowers
* More Yield Per Watt
* Better Return on Investments...
Safer Brand Insect Killing Soap - 32 oz Spray 5110
$5.18
Concentrated insect killing soap. Use on houseplants, ornamental foliage plants, flowering plants, fruits, and vegetables. Kills aphids, mealy bugs, spider mites, and whiteflies. Does not kill beneficial insects such as ladybugs, praying mantis, and other...
P3 International P4400 Kill A Watt Electricity Usage Monitor
$52.43
Large LCD counts consumption by the kilowatt hour Connect to household appliance & it will assess its efficiency Calculate electrical expenses by the day, week, month or year Check the quality of power by monitoring voltage, line frequency & power factor...
Safer Brand 5450 Garden Fungicide Ready-to-Use 32 Ounces
$5.76
A natural devised sulfur based multipurpose fungicide for controlling common fungus on fruits, vegetables, flowering plants, and ornamentals. Controls powdery mildew, black spot, leaf spot, rust, and others. 32 oz. ready to use trigger spray bottle. Conta...
HI 9913 is a 2-in-1 pH and conductivity controller engineered for cost-effective dosage of fertilizer solutions in the hydroponics industry. HI 9913 measures pH from 0 to 14 and EC from 0 to 10 mS/cm. Two separate setpoints can be user-adjusted from 4 to 7 pH and 1.00 to 4.00 EC (mS/cm). The relays are activated when pH exceeds the setpoint or conductivity falls below the desired value. Two pumps ...
HI 9931 is a conductivity wall-mounting meter that mea-sures and controls conductivity in the 0 to 10 EC (mS/cm or mmho/cm). A single setpoint allows for proportional dosage of fertilizer solutions. The proportional settings can be fine tuned through two conveniently positioned dials on the front panel. The time cycle is adjustable from 0 to 90 seconds and the proportional band from 0 to 1.6 EC. C...
HI 9934 is similar to HI 9931 but with a measurement scale in TDS. This wall-mounting meter controls TDS in the 0 to 1999 ppm (mg/L) range through a single setpoint for dosage of fertilizers. The proportional control can be fine tuned through the time cycle between 0 to 90 seconds and the proportional band from 0 to 400 ppm. Coarse and fine as well as a slope trimmer make for an accurate setting a...
Educational Insights Hydroponics Lab (5099)
$15.34
Get a 360âdegree view of growing plants from the roots up! Ideal for science fair projects, this set of three growing tubes is a messâfree way to explore hydroponics with water or any media. Grades K+...
Teaming with Microbes: A Gardener's Guide to the Soil Food Web
$5.79
Smart gardeners know that soil is anything but an inert substance. Healthy soil is teeming with life - not just earthworms and insects, but a staggering multitude of bacteria, fungi, and other microorganisms. When we use chemical fertilizers, we injure the microbial life that sustains healthy plants, and thus become increasingly dependent on an arsenal of artificial substances, many of them toxic ...