Oh good grief. Even without oil-based fertilizers we will still be able to produce enough food. We are so extremely wasteful now… we eat so much more meat that necessary, and so much land doesn’t get used at all for farming.
Do you have any real facts that show how much food could be produced without using fertilizers?
Ironically there is a couple of examples to what could happen if oil supplies were to fall dramatically, Cuba and North Korea.
ers.usda.gov/publications/agoutlook/oct1998/ao255h.pdf
With the 1989 collapse of the centrally planned economies of
Eastern Europe and the 1991 dissolution of the Soviet Union,
Cuba lost both its major markets and its primary source of foreign
assistance. As a result, the Cuban economy collapsed, and
the full effect of the U.S. embargo became evident. The loss of
cheap Soviet oil also triggered a Cuban energy crisis. Cuban foreign
trade fell 75 percent, and economic output fell 50 percent.
By 1994, agricultural production had fallen 54 percent from
1989 levels. Particularly hard hit were sugar and tobacco production.
Food consumption fell 36 percent. Daily caloric intake
fell from 2,908 calories per day in the 1980’s to 1,863 calories
per day in 1993. (The USDA-recommended minimum is 2,100-
2,300 calories per day.) For those most dependent on state
rations—the very old and the very young—consumption fell to
1,450 calories per day.
The Cuban Government responded to this economic crisis with a
major program of reforms. Initiating market-oriented reforms,
allowing foreign investment, and promoting a diversified export
program have set the stage for Cuba’s economic recovery…
edis.ifas.ufl.edu/TOPIC_Cubas_Food_System
en.wikipedia.org/wiki/Agriculture_of_Cuba
Due to the shortage of fuel and therefore severe deficiencies in the transportation sector a growing percentage of the agricultural production takes place in the so-called urban agriculture. In 2002, 35,000 acres (140 km²) of urban gardens produced 3.4 million tons of food. In Havana, 90% of the city’s fresh produce come from local urban farms and gardens. In 2003, more than 200,000 Cubans worked in the expanding urban agriculture sector
and agraculture became more maually intensive
http://msnbcmedia3.msn.com/j/msnbc/...07/060407_migrantWorkers_hLarge_2p.hlarge.jpg
North Korea hasn’t fared as well
query.nytimes.com/gst/fullpage.html?res=9B00EED91239F937A25756C0A960958260
North Korea, with a population of about 24 million, was the better-endowed part of the Korean Peninsula when Japan ended its occupation in 1945. The North has a wealth of minerals and other natural resources, but it has been hobbled by its rigid Communist model, by huge spending on its 1.2 million-member armed forces, and by the collapse of trading partners in the former Communist world. Now many North Korean factories are idled by lack of oil and electricity, and collective farms are returning to draft animals because there is no fuel for tractors.
home.entouch.net/dmd/ag-korea.htm
During the period after the Korean war, North Korea had developed a typical modern farming system which required the use of machinery and the extensive dependence upon fertilizer (made from petroleum). After the fall of the Soviet Union, China, not needing to compete with the USSR any longer, announced that all trade with North Korea would be settled in hard currency. No more aid. This brought on an economic collapse in the North. No longer were they able to get money to purchase oil and supplies for their farm machinery. Predictably farming began to go into a spiral. Fuel became scarce so that the farm machinery couldn’t run. By 1998, 80% of the motorized farm implement capacity of the Democratic Peoples Republic of North Korea (DPRK) was idled. In an attempt to sustain agriculture, Koreans engaged in agriculture rose from 25% of the population to 36% over the years after the Chinese cut off.
But much of this was futile. The land had been drained of nutrients and if sufficient yields were to be maintained fertilizer needed to be applied on a massive scale. It is estimated that North Korea’s fertilizer requirements are 700,000 metric tons which is what they manufactured in 1989. By 1998 they were only able to manufacture 18% of their need. Crop yields plummeted over this period by 60%. Thus causing severe famine throughout the land. It is estimated that without an (name removed by moderator)ut of chemical fertilizers (meaning hydrocarbon based energy (name removed by moderator)ut), there is little way that the food production can increase. The population of North Korea will decline until it reaches the level present crop yields can sustain.