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Authors Weir, Wilbert Walter , 1882- Remove constraint Weir, Wilbert Walter , 1882-: Weir, Wilbert Walter , 1882- Subjects cropping systems Remove constraint cropping systems: cropping systems Subjects soil productivity Remove constraint soil productivity: soil productivity Subjects grain crops Remove constraint grain crops: grain crops Subjects soil quality Remove constraint soil quality: soil quality

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1. Soil productivity as affected by crop rotation

Author:: Weir, Wilbert Walter , 1882-
Subject:: Soil productivity , Crop rotation , crop yield , crop rotation , cropping systems , soil productivity , soil fertility , soil quality , soil management , tillage , intercropping , legumes , cropping sequence , plant cultural practices , crop management , cover crops , grain crops , green manures , soil conservation , fertilizers , soil
Physical description:: 22 p. : ill. ; 23 cm.
Additional Author(s):: Weir, Wilbert Walter , 1882-
Collection:: Organic Roots Collection
Series:: Farmers' bulletin