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crop production
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irrigation
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technology
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agricultural machinery and equipment
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agriculture
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fertilizers
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rain
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soil erosion
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soil treatment
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tillage
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Army, T.J.
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Carlson, C.W.
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Yearbook of agriculture
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Rural Development Publications Collection
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Title
1.
Technology improves tillage and soil treatment.
Author:
Army, T.J.
Subject:
tillage
,
soil treatment
,
agricultural machinery and equipment
,
technology
,
crop production
,
irrigation
,
soil erosion
,
United States
Physical description:
p. 304-308.
Collection:
Rural Development Publications Collection
Series:
Yearbook of agriculture
Part Of:
Yearbook of agriculture. 1987
2.
Technology unlocks cropland productivity.
Author:
Carlson, C.W.
Subject:
agriculture
,
crop production
,
technology
,
irrigation
,
fertilizers
,
rain
,
United States
Physical description:
p. 309-314.
Collection:
Rural Development Publications Collection
Series:
Yearbook of agriculture
Part Of:
Yearbook of agriculture. 1987
