What are the main crops of the world?
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Commodity Crops (corn, rice, etc.)\n\nGrain \n\nOil Seed Crops \n\nCitrus Fruits \n\nOrchard Fruit \n\nBerries  \n\nGarden Vegetables \n\nMelons, Squash and Cucumbers \n\nFlavorings, Herbs and Spices  \n\nNuts
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Wheat, rice, and corn.  Many people depend on exports of wheat from the US (Egypt, for example), while rice is the primary form of food for most of Asia.  If one were to *suddenly* disappear, especially rice, there would likely be severe food shortages until an alternative could be found-most countries have only a few months of food in storage, and some much less.  If it were a slow disappearance, there would likely be time to replace it. The US alone could feed most of the world, if farmland were used at maximum efficiency, and China and the rest of Asia would be able to switch to another grain product.
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Cereals and their preparations like bread etc., Rice, corn.\nst
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http://www.fao.org/\nhttp://www.agricultureworld.com/\n\nThats all what u need...
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In today's world:\n\nLomi Lomi Salmon\nKalua Pig (with or without cabbage)\nChicken Long Rice\nLaulau\nPoi\nHaupia
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Some seeds... the ground... water... the sun... \n\nIt's a pretty simple formula...
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Most life on Earth is powered by the Sun. Plants use Photosynthesis to make carbohydrates from the Sun. Animals eat Plants, we eat both plants and animals that eat plants. Therefore indirectly virtually all of our food energy comes from the Sun. Our Brain uses our food energy to operate. Therefore our brain is powered by the Sun.
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Yes the whole planet.\n\nOne world order commeth! LOL
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the sugar maple is one of the three major sources of sugar production. the other two are sugar cane and sugar beet.
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cotton\nraisin grapes\norange\napricot\n\nalmonds\nalfalfa\nolives\ncherries\nasparagus\ncarrots\nearly potatoes\ntokay grapes\nbare-root roses\n\n\nExtract from the link below:\n"Some crops, like almonds and alfalfa, are found almost everywhere. Others are sharply confined to restricted areas such as olives (Lindsay), cherries (Linden), asparagus (the Delta), carrots (Arvin), early potatoes (Shafter), tokay grapes (Lodi), bare-root roses (Wasco), and sweet potatoes (Atwater). Most of the orange growers are in a narrow thermal belt close to the mountains on the east side, centering on Porterville, Exeter and Woodlake. Patterson calls itself "the apricot capital of the world," Mendota "the cantaloupe city." Raisin grapes, chiefly Thompson seedless, are found especially on the sandy soils north and south of Fresno, table grapes around Lodi, Reedley and Delano. Cotton, with more than a million acres, is confined to the southern two-thirds of the valley, with most of it west of the SP railroad-Highway 99 axis. The northernmost gins are in Merced County."
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Water and "nutrients" depending on the specific type of cell. Plant cells need inorganic nitrogen compounds (ammonia, nitrate), phosphate, iron, magnesium, manganese, copper,...\nAnimal cells need organic substances like sugars or amino acids (which plant cells can produce on their own) additionally to vitamins and ions (iron, copper, cobalt, zinc, molybdenum, iodine, selenium,...)
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plants need minerals as their food through the process of photosynthesis as people need minerals, vitamins, carbohydrates, protein fats , oil, etc as food through the process of digestion and assimilation
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The main photosynthetic pigments in plants is the green pigment called chlorophyll found in the chloroplasts.
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Farmland usage greatly depends on the type of food being produced. Growing grains might require less farmland to produce enough to feed one person (for one day or for one year) than needing farmland to raise livestock or grow fruits and vegetables. Because of the different amounts of farmland needed to produce certain crops or livestock, you might look at either simplifying the problem -- either looking at a person's diet, and equating that to only one food source that is fairly universal (like rice) or looking at another unit of measurement that can be studied across different food sources, like water -- it takes water to grow crops for food, and it takes water to grow feed for food animals. The amount of farmland needed to feed a person greatly depends on diet -- meat production uses a lot more land than vegetation productions.\n\nCheck out the first link, and it helps to answer some of your questions with some actual numbers.\nThe second link mentions that "At least 1.2 acres per person is required in order to maintain current American dietary standards."\nThe third link states "Agriculture is the world's biggest user of water -- it takes at least 2,000 liters to produce enough food for one person for one day. That translates into 730,000 liters annually per person."
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Wheat ( Triticum spp ) is a grass that is cultivated around the world . It is globally the largest cereal crop tied with maize , and the second most important after rice.  \nWheat ( Triticum spp - ) is a grass that is cultivated around the world.  \nSpecies T monococcum T spelta References: ITIS 42236 2002 - 09 - 22 Wheat (Triticum spp) is a grass that is cultivated around the world.  \nCategory:Wheat - From Wikimedia Commons - Jump to: navigation ,...
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Pinpointing the absolute beginnings of agriculture is problematic because the transition away from purely hunter-gatherer societies, in some areas, began many thousands of years before the invention of writing. Maize was first domesticated from teosinte in the Americas around 3000-2700 BC. In these contexts lie the origins of the eight so-called founder crops of agriculture: firstly emmer and einkorn wheat, then hulled barley, peas, lentils, bitter vetch, chick peas and flax. These eight crops occur more or less simultaneously on PPNB sites in this region, although the consensus is that wheat was the first to be sown and harvested on a significant scale.
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potatoes\ncarrots\nbeans (like green beans)\nlegumes (peas and beans)\nfruits have a lot of sugars\n\nSue