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We ship promptly, but we do not have control over shipping times for international orders.

We regret that we are unable to ship orders directly to some countries, including BRAZIL, SPAIN, TAIWAN, and INDIA.

Stemma Press is proud to offer two excellent books on plant breeding.

Please do not order if your shipping address is in Brazil, Spain, Taiwan, or India.
surf pi 1.2 kit

Surf Pi 1.2 Kit [DIRECT]

Finally finished assembling the Surf PI 1.2 from the classic Silverdog / Geotech design. Got the PCB and component kit online.

If you’re looking for an affordable PI project that actually works, the 1.2 kit is hard to beat. I paired it with a 8″ mono coil — air tests ~25cm on a gold ring. surf pi 1.2 kit

🔧 Build difficulty: Moderate — through-hole, but needs careful coil winding and shielding. ⚡ Sensitivity: Surprisingly good on small gold jewelry and deep coins in wet sand. 🔊 Audio: Simple but effective beep/blip on targets. 🌊 Use case: Excellent for beach / saltwater hunting (it’s based on the old Whites Surfmaster design). Finally finished assembling the Surf PI 1

If you want a (e.g., for a forum, social media, or blog) announcing or reviewing this kit, here’s a ready-to-use example: Title: Just built the Surf PI 1.2 kit — my first pulse induction detector I paired it with a 8″ mono coil

Anyone else built one? Happy to share mods.

It sounds like you’re asking about the — a popular DIY pulse induction metal detector project, often sold as a PCB + components kit.


surf pi 1.2 kit
surf pi 1.2 kit
surf pi 1.2 kit

Breeding for Quantitative Traits in Plants
3rd Edition

Rex Bernardo
Professor and Endowed Chair in Corn Breeding and Genetics
University of Minnesota

Hardbound, 422 pages, 65 tables, 75 figures
ISBN 978-0-9720724-3-4
Publication Year 2020
US$98

Most of the economically important traits in crops are quantitative and are controlled by many genes. Breeding for Quantitative Traits in Plants investigates the application of quantitative genetics to plant breeding. This book is an ideal text for a graduate-level course and a useful reference for practicing plant breeders.

surf pi 1.2 kit
Table of Contents and Sample Pages

Essentials of Plant Breeding

Breeding for Quantitative Traits in Plants