Your pictures

Readers' images of snowfalls across the UK

news.bbc.co.uk

DNA dilemma

Will European ruling result in more unsolved crimes?

news.bbc.co.uk

Liverpool hit by Torres setback

Liverpool striker Fernando Torres faces a minimum of four weeks on the sidelines because of a hamstring injury.

news.bbc.co.uk

Pietersen praises collective move

England captain Kevin Pietersen says he did not have to persuade any of his Test squad to return to India following the Mumbai terror attack.

news.bbc.co.uk

Send your video, pictures and story ideas

Have you got a good story? BBC News wants to hear from you.

news.bbc.co.uk

Rhys killing 'appalled country'

The murder of schoolboy Rhys Jones was a terrible killing which appalled the whole country, a judge tells a jury in his summing up.

news.bbc.co.uk

Cash glow

How much does one street light cost for one night?

news.bbc.co.uk

Nice smell...

But why else would anyone buy a new car these days?

news.bbc.co.uk

PM 'has confidence' in Speaker

Gordon Brown says he has a "great deal of confidence" in House of Commons Speaker Michael Martin.

news.bbc.co.uk

Lie detectors for benefit claims

Voice-recognition lie detectors are used by two Welsh councils in a bid to clamp down on people making false benefits claims.

news.bbc.co.uk

DNA database 'breached rights'

Keeping the DNA of two Britons with no convictions was a breach of their human rights, a European court rules.

news.bbc.co.uk

Carmakers 'affect entire US economy'

The chairman of the Senate committee deciding whether to rescue the Detroit Three carmakers says the health of the entire US economy is at stake.

news.bbc.co.uk

Keane resigns as Sunderland boss

Roy Keane stands down as Sunderland manager after 27 months in charge at the Stadium of Light.

news.bbc.co.uk

Bank cuts UK rates to 57-year low

The Bank of England has cut interest rates by one percentage point from 3% to 2%, their lowest level since 1951.

news.bbc.co.uk

Peace chance?

How S Asian rivals could capitalise on Mumbai attacks

news.bbc.co.uk

Kenya PM calls for Mugabe removal

Power-sharing in Zimbabwe is dead and Africa must unite to oust President Mugabe, says Kenya's prime minister.

news.bbc.co.uk

No decision over Shields pardon

The High Court reserves judgement in the case of jailed Liverpool fan Michael Shields, who has started a pardon bid.

news.bbc.co.uk

Interest rates

Which lenders are passing on the rate cuts to customers?

news.bbc.co.uk

US Congresswoman hangs up on Obama

A US Congresswoman hangs up the phone on President-elect Barack Obama, thinking the call is a hoax.

news.bbc.co.uk

Controversial Lapland theme park closes down

The organisers of a Lapland-style theme park in the New Forest criticised by visitors as "hell" and a "scam" close it down.

news.bbc.co.uk

Banks move to match interest cut

Northern Ireland's 'big four' banks say they will be matching the latest cut in interest rates by the Bank of England.

news.bbc.co.uk

Mother guilty over Shannon kidnap

Shannon Matthews's mother and co-accused Michael Donovan are convicted of kidnapping the nine-year-old in a plot to claim a £50,000 reward.

news.bbc.co.uk

Child protection review announced

The Scottish Government announces a wide-ranging review of guidance on child protection practices.

news.bbc.co.uk

Menezes family's inquest protest

The family of Jean Charles de Menezes have walked out of the inquest into his death at the Oval Cricket Ground in London in protest.

news.bbc.co.uk

Putin rules out early Kremlin bid

Russian Prime Minister Vladimir Putin says he will wait until 2012 to decide whether to run again for the presidency.

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 World Catalog > Science > Agriculture > Horticulture > Hydroponics

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World Catalog > Science > Agriculture > Horticulture > Hydroponics

Hydroponics:

Crop Physiology Laboratory - Hydroponics

Excellent source of information for recirculating hydroponics methodology from Utah State University.

http://www.usu.edu/cpl/research_hydroponics.htm

The Growing Edge

A bimonthly magazine dedicated to hydroponics, aquaponics, and greenhouse growing. Provides a wealth of free information for soilless growers.

http://www.growingedge.com

Growing Hydroponic Tomatoes

Interactive web site from the University of Arizona provides practical, accurate information on growing hydroponic tomatoes for students, hobbyists, and beginning growers.

http://www.ag.arizona.edu/hydroponictomatoes/

Graand

Free Classified Ads Portal

www.graand.com

History of Hydroponics

Gary V. Deutschmann covers the history and future of hydroponic gardening.

http://www.emcarthur.com/shrpduck/resource/0003_HistoryOfHydroponics.htm

Home Hydroponics

An excellent introduction to the hydroponic methodology from the Virginia Cooperative Extension.

http://www.ext.vt.edu/pubs/envirohort/426-084/426-084.html

Hydroponic Lettuce Production

Details of setting up and running a lettuce production facility using Controlled Environment Agriculture techniques. Illustrated with descriptive photos. Cornell University.

http://www.cornellcea.com/Lettuce_Handbook/introduction.htm

Hydroponics for India

Optimus Interweave Australia offers hydroponics consultancy services to Indian horticulture, providing technology which will enable entrepreneurs to cultivate fresh produce in hydroponic tunnels.

http://www.optimusinterweave.com

Hydroponics Online School

Provides a course on hydroponic cultivation.

http://www.hydroponicsonline.com/lessons/table-of-contents.htm

Hydroponics Project

Photographic presentation of hydroponics project at Colorado State University.

http://www.angelfire.com/pa3/padraig/

Hydroponics Resource for Inexpensive Startups

Secrets for starting hydroponic businesses. Includes information about hydroponic nutrients, maintenance, production, greenhouses, and marketing.

http://www.mayhillpress.com

Institute for Simplified Hydroponics

Dedicated to supporting efforts to use simplified hydroponics to reduce global hunger and poverty. Offers classes and activities to support the education of simplified hydroponics, especially in developing nations.

http://www.carbon.org

Production of CEA-grown Hydroponic Spinach

Publication by the Controlled Environment Agricultural (CEA) Program of the College of Agriculture and Life Sciences at Cornell University. An electronic handbook for the production of CEA hydroponic spinach.

http://www.cornellcea.com/Spinach_Handbook/sp_introduction.htm

Role of Perlite in Hydroponic Culture

A research report issued by the Perlite Institute, Inc. by Dr. David A. Hall, Principal of the Pershore College of Horiculture in the United Kingdom

http://www.schundler.com/hydroculture.htm

SoCal Aquaponics

Aquaponics is a system that integrates aquaculture with hydroponics, the soil-free cultivation of plants. SoCal provides information on hydroponics, aquaponics, aquaculture and the solar greenhouse.

http://www.socalfishfarm.com

Vitaran HC

Software for calculating nutrition formulations in hydroponic applications. Both site and software in Spanish and English.

http://ar.geocities.com/vitaranhc/

Your pictures

Readers' images of snowfalls across the UK

news.bbc.co.uk

No decision over Shields pardon

The High Court reserves judgement in the case of jailed Liverpool fan Michael Shields, who has started a pardon bid.

news.bbc.co.uk

Rhys killing 'appalled country'

The murder of schoolboy Rhys Jones was a terrible killing which appalled the whole country, a judge tells a jury in his summing up.

news.bbc.co.uk

Banks move to match interest cut

Northern Ireland's 'big four' banks say they will be matching the latest cut in interest rates by the Bank of England.

news.bbc.co.uk

Mother guilty over Shannon kidnap

Shannon Matthews's mother and co-accused Michael Donovan are convicted of kidnapping the nine-year-old in a plot to claim a £50,000 reward.

news.bbc.co.uk

Lie detectors for benefit claims

Voice-recognition lie detectors are used by two Welsh councils in a bid to clamp down on people making false benefits claims.

news.bbc.co.uk

Liverpool hit by Torres setback

Liverpool striker Fernando Torres faces a minimum of four weeks on the sidelines because of a hamstring injury.

news.bbc.co.uk

Menezes family's inquest protest

The family of Jean Charles de Menezes have walked out of the inquest into his death at the Oval Cricket Ground in London in protest.

news.bbc.co.uk

Bank cuts UK rates to 57-year low

The Bank of England has cut interest rates by one percentage point from 3% to 2%, their lowest level since 1951.

news.bbc.co.uk

Child protection review announced

The Scottish Government announces a wide-ranging review of guidance on child protection practices.

news.bbc.co.uk

Cash glow

How much does one street light cost for one night?

news.bbc.co.uk

Pietersen praises collective move

England captain Kevin Pietersen says he did not have to persuade any of his Test squad to return to India following the Mumbai terror attack.

news.bbc.co.uk

Send your video, pictures and story ideas

Have you got a good story? BBC News wants to hear from you.

news.bbc.co.uk

Nice smell...

But why else would anyone buy a new car these days?

news.bbc.co.uk

Peace chance?

How S Asian rivals could capitalise on Mumbai attacks

news.bbc.co.uk

Putin rules out early Kremlin bid

Russian Prime Minister Vladimir Putin says he will wait until 2012 to decide whether to run again for the presidency.

news.bbc.co.uk

Kenya PM calls for Mugabe removal

Power-sharing in Zimbabwe is dead and Africa must unite to oust President Mugabe, says Kenya's prime minister.

news.bbc.co.uk

Keane resigns as Sunderland boss

Roy Keane stands down as Sunderland manager after 27 months in charge at the Stadium of Light.

news.bbc.co.uk

US Congresswoman hangs up on Obama

A US Congresswoman hangs up the phone on President-elect Barack Obama, thinking the call is a hoax.

news.bbc.co.uk

Controversial Lapland theme park closes down

The organisers of a Lapland-style theme park in the New Forest criticised by visitors as "hell" and a "scam" close it down.

news.bbc.co.uk

DNA database 'breached rights'

Keeping the DNA of two Britons with no convictions was a breach of their human rights, a European court rules.

news.bbc.co.uk

PM 'has confidence' in Speaker

Gordon Brown says he has a "great deal of confidence" in House of Commons Speaker Michael Martin.

news.bbc.co.uk

DNA dilemma

Will European ruling result in more unsolved crimes?

news.bbc.co.uk

Carmakers 'affect entire US economy'

The chairman of the Senate committee deciding whether to rescue the Detroit Three carmakers says the health of the entire US economy is at stake.

news.bbc.co.uk

Interest rates

Which lenders are passing on the rate cuts to customers?

news.bbc.co.uk