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| Welcome to the J.R. Peters Laboratory™ Technical Library. Below is a listing of forms that are available for download. All documents are in PDF format and may be printed. | |
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Sample Submission Forms |
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| Media | |
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Media Sample Form
2.58MB |
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Media Sampling Instructions
94kb |
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| Tissue | |
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Tissue Sample Form
1.52 |
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Tissue Sampling Instructions
96kb |
| Water / Fertilizer | |
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Water/Fertilizer Sample Form
1.73MB |
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Water/Fertilizer
Sampling Instructions
95kb |
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Technical Bulletins |
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Finding Your Perfect Match
211kb Utilizing your J.R. Peters Laboratory™ results to select the proper Jack's Professional® fertilizer. |
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Plants
by pH
67kb Group your plants by growing media pH preference. |
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Water Quality and Alkalinity Guidelines
53kb Outlines the parameters and guidelines established by the J.R. Peters Laboratory™ for water quality suitable for greenhouse grown crops. |
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Articles |
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Anatomy of a Water-Soluble Fertilizer
Label
222kb By Dr. Cari Peters and Dr. Karen Kackley Originally published in the Sept/Oct 2006 issue of the OFA Bulletin |
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Three Ways to Avoid Common Fertilizer Problems
488kb By Shannen Ferry and Dr. Karen Kackley Originally published in the March 2006 issue of the GMPro |
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Sample To Diagnose Nutrient Disorders
6.91MB By Dr. Karen Kackley, Shannen Ferry and Dr. Cari Peters Originally published in the August 2006 issue of GMPro |
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Test For Success
5.17MB By Dr. Karen Kackley, Dr. Cari Peters and Shannen Ferry Originally published in the July 2006 issue of GMPro |
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Water Soluble's Place in Sustainability
413kb By Dr. Cari Peters Originally published in the March 2008 issue of Greenhouse Grower |
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