Sure, bonds have generated strong returns since then but that is partly because interest rates have been on a steady downward slope to zero, pushing up the value of bonds even as each new crop yields less.
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The other is that monoculture and less crop rotation risks exhausting the soil.
This meant she was unable to use the fertilizer, which led to a poor harvest of her maize crop, which meant less food for her children.
Crop yields in recent dry years were less affected by drought than crops of the dust-bowl droughts of the 1930s, when there was less carbon dioxide.
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Mild weather is leading to the expectation of bumper harvests in the northern hemisphere, while it seems as if less of the American corn crop will be used to produce ethanol.
Moreover, he says farmers are less concerned about a drop in crop prices at the top of the market, than about similar declines at the bottom.
There's a crop of young American acts approaching the genre less as ethnomusicology and more like pop, from the hip-hop collage approach of New York's Balkan Beat Box to the emigre garage rock of Los Angeles' Dengue Fever, who headlined the festival's final night.
This is what raises the health issues that exercise Ma, but Huang says since the crop itself exterminates insects, farmers need to use less pesticide.
In fact the crop in 1982 was very large, and the grapes were almost certainly less concentrated.
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Organic methods, which rely on crop rotation, manure and compost in place of fertiliser, are far less intensive.
Inevitably the variety was planted in less-than-ideal spots, and the vines carried crop loads that were too heavy to ripen fully.
If the mega-sized farms of the current modern factory farm system were suddenly beset by a shortage of modern petro-based pesticides and herbicides, those farms would all suffer massive crop failures, and food would become scarce all around the world in less than two years.
The next crop will run the new Windows 8 operating system, but this first, less expensive, line will run the stripped down Windows RT on an ARM chip.
All told, production-distorting aid (the sort keyed to crop and agricultural input prices) fell from about two-thirds of the total to less than one-third.
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The result is vastly inflated research and development costs, less innovation and diminished exploitation of superior techniques and products that could offer more crop for the drop.
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