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Freezing Vegetables From Your Garden

It’s the heart of summer and the abundance of ripe goodies in your garden means your eye may be on food preservation. Use these great tips for freezing vegetables to turn your garden harvests into delicious, off-season meals.

 pestcontrol

Organic Pest Control: What Works, What Doesn’t

Dealing with an infestation? Our nationwide reader survey reveals the best methods for managing common garden pests

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Self-Seeding Crops You’ll Never Need to Replant

Some crops “seed” themselves, which means less work for you and money saved on seeds. Learn to manage several hardy self-seeders in your garden

Compost-Tea

How to Make Aerated Compost Tea

Compost tea allows you to amplify a small amount of compost into a dispersible liquid form, helping a little compost go a lot further.

greenhouse

Locally Sourced Homemade Greenhouse

Rough-cut lumber from a local sawmill and recycled windows can be used to construct a DIY greenhouse.

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A Glossary of Plant Disease

Plant fungus and vegetable disease can decimate a garden. Gardeners should be aware of ways to prevent and fight these ailments that can affect their crops.

 

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Induced Seismicity? Recent Spike of Earthquakes in the Central and Eastern U.S. May Be Linked to Human Activity

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The original article was written by William Ellsworth, Jessica Robertson and Christopher Hook

Via:  ScienceDaily 

July 12, 2013 — The number of earthquakes has increased dramatically over the past few years within the central and eastern United States. More than 300 earthquakes above a magnitude 3.0 occurred in the three years from 2010-2012, compared with an average rate of 21 events per year observed from 1967-2000.

This increase in earthquakes prompts two important questions: Are they natural, or human-made? And what should be done in the future as we address the causes and consequences of these events to reduce associated risks? U.S. Geological Survey scientists have been analyzing the changes in the rate of earthquakes as well as the likely causes, and they have some answers.

USGS scientists have found that at some locations the increase in seismicity coincides with the injection of wastewater in deep disposal wells. Much of this wastewater is a byproduct of oil and gas production and is routinely disposed of by injection into wells specifically designed and approved for this purpose.

Review Article on Injection-Induced Earthquakes

U.S. Geological Survey geophysicist William Ellsworth reviewed the issue of injection-induced earthquakes in a recent study published in the journal Science. The article focused on the injection of fluids into deep wells as a common practice for disposal of wastewater, and discusses recent events and key scientific challenges for assessing this hazard and moving forward to reduce associated risks.

What is Induced Seismicity?

Although it may seem like science fiction, human-made earthquakes have been a reality for decades. It has long been understood that earthquakes can be induced by impoundment of water in reservoirs, surface and underground mining, withdrawal of fluids and gas from the subsurface, and injection of fluids into underground formations.

What is Wastewater Disposal?

Water that is salty or polluted by chemicals needs to be disposed of in a manner that prevents it from contaminating freshwater sources. Often, it is most economical to geologically sequester such wastewaters by injecting them underground, deep below any aquifers that provide drinking water. Continue reading

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