Purchase Article
Account Credit $18.50
Article Cost $0.40
Balance of Credit $18.10
Confirm

The cost of your purchase will exceed your credit of . Click here to be taken to your account to purchase more credit.

Did you know that your version of Internet Explorer is out of date?
To get the best possible experience using our website we recommend downloading one of the browsers below.

Internet Explorer 10, Firefox, Chrome, or Safari.

LIMITED TIME OFFER: Receive 10% off your first credit purchase (Example: Buy a $10 credit but get billed for only $9)!

Advanced Search
Feeding Plants to Feed the World
Back
June 19, 2017
Green Teacher

Originally appears in the Summer 2017 issue

Photographs: Kent Lewarne

“England and all civilized nations stand in deadly peril…  As mouths multiple, food sources dwindle.”1 These words by Sir William Crookes in 1898 in his inaugural speech as the president of the British Academy of Sciences, underscored his prediction that by the 1930s, humans would begin dying of hunger in large numbers. The audience sat silently, straining to hear his every word. Crookes spoke of many of the same issues we face today such as finite supplies of arable land, loss of soil fertility, limited “natural fertilizers” such as manure and bird droppings, and crop rotation. He argued that the best farming practises at the time would not be enough to stymie world hunger. For Crookes, the answer was in making what he called “chemical manure”, the discovery of which was the greatest challenge of their time.


Purchase article to read more - $0.99
Prev
Top Selling Articles
/
View All
Next
Inroads Journal | Nov 19, 2017

How it has done, and what the rest of Canada can learn

Green Teacher | Jan 18, 2016

Put to work the basic astronomy knowledge of 10-14 year olds in teaching passive solar house design

 
Green Teacher | Oct 20, 2017

A lesson to help grade 3-8 students appreciate the impact our food system has on climate change.

 
Green Teacher | Oct 20, 2017

Discussing complex energy issues with young people to foster a more sustainable energy future

 
Alternatives Journal | Jun 12, 2017

The Great Lakes are truly great, but the threats to the lakes are even greater.

Inroads Journal | Mar 15, 2017

A serious approach to climate change requires real policies, not aspirational goals

 
Green Teacher | Jun 19, 2017

Using progressive skits to teach food chains to kids of all ages

 
Green Teacher | Apr 28, 2016

Inspiring nature-focused values and habits in young children

 
Green Teacher | Jan 20, 2017

A country’s most valuable asset is its youth. When passionate about local concerns, they can provide the impetus for positive change and become environmental stewards.

 
Green Teacher | Feb 20, 2017

Run…but where…from snakes or to snakes?

 
EcoParent | Jul 15, 2015

A hike in the hills with my ancestors

 
Inroads Journal | Nov 19, 2017

..and does it matter? By François Pétry, Dominic Duval and Lisa Maureen Birch