Abstract
ABSTRACT RESULTS from 14 yr of manure incorporation in Pullman clay loam soil show that annual applications of 22 Mg/ha of beef feedlot manure has been adequate for high yields of good quality crops. Higher rates of manure resulted in high nitrate levels in the forage and have severely reduced yields in some cases. These higher rates wasted N and contributed to high nitrate levels in the subsoil. Manure has increased the hydraulic conductivity and decreased the bulk density of clay loam soil.
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Claims 7
Claim · model-written summary
Annual application of 22 Mg/ha of beef feedlot manure is adequate for high yields of good quality crops.
Verbatim
e0“RESULTS from 14 yr of manure incorporation in Pullman clay loam soil”
e1“annual applications of 22 Mg/ha of beef feedlot manure has been adequate for high yields of good quality crops”
Claim · model-written summary
Higher manure rates resulted in high nitrate levels in the forage.
Verbatim
e2“Higher rates of manure resulted in high nitrate levels in the forage and have severely reduced yields in some cases”
Claim · model-written summary
Higher manure rates reduced yields in some cases.
Verbatim
e1“annual applications of 22 Mg/ha of beef feedlot manure has been adequate for high yields of good quality crops”
e2“Higher rates of manure resulted in high nitrate levels in the forage and have severely reduced yields in some cases”
Claim · model-written summary
Higher manure rates wasted nitrogen.
Not reportedTaxonDirection
Verbatim
e3“These higher rates wasted N and contributed to high nitrate levels in the subsoil”
Claim · model-written summary
Higher manure rates contributed to high nitrate levels in the subsoil.
Not reportedTaxon
Verbatim
e3“These higher rates wasted N and contributed to high nitrate levels in the subsoil”
Claim · model-written summary
Manure increased the hydraulic conductivity of clay loam soil.
Not reportedTaxon
Verbatim
e4“Manure has increased the hydraulic conductivity and decreased the bulk density of clay loam soil”
Claim · model-written summary
Manure decreased the bulk density of clay loam soil.
Not reportedTaxon
Verbatim
e4“Manure has increased the hydraulic conductivity and decreased the bulk density of clay loam soil”