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3/18 - [[underline]] capital [[underline]]

capacity of systems to absorb capital - in h+g society very little opportunity to invest capital and your most imp. capital your knowledge
for example, Bushmen need knowledge of underground tubers that store water when rains stop
marginal productivity drops to zero if push environment too hard + one of reasons people shift to agr. + make the capital investments necessary

if pushing system and substituting labor and capital for resources, declining marginal productivity

if using phosphates on field in Java, are you counting cost of mining and transporting the phosphates

Q would rice intensification program be profitable w/out govn. subsidies

in swidden 1/2 cal. in for every cal. out, and rice farming 2 cal in and 1 out

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fishing still hunting and gathering, ((but not aquaculture)) also [[strikethrough]] timber industry as practiced

if short term crisis as in U.S this yr, farmers forced to push system tho know destructive in long-term - know contour plowing saves [[strikethrough]] topsoil