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Subjects fertilizers Remove constraint fertilizers: fertilizers Subjects cropping systems Remove constraint cropping systems: cropping systems
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1. A simple way to increase crop yields: methods followed by farmers of the coastal plain section of the central Atlantic states in building up soil ferfility

Author:
Miller, H. A. (Harry Alanson) , 1874-
Subject:
Cropping systems Middle Atlantic States , cropping systems , soil management , soil fertility , fertilizers , animal manures , cover crops , green manures , legumes , crop residues , crop residue management , plant cultural practices , case studies , crop rotation
Physical description:
24 p. : ill., 1 map ; 23 cm.
Additional Author(s):
Miller, H. A. (Harry Alanson) , 1874-
Series:
Farmers' bulletin

2. Handling barnyard manure in eastern Pennsylvania

Author:
Brodie, D. A. (David Arthur) , 1868-
Subject:
Manure handling , case studies , animal manures , animal manure management , cattle manure , dairy manure , manure handling , nutrient management , cropping systems , crop rotation , soil management , fertilizers
Physical description:
24 p. : ill. ; 23 cm.
Additional Author(s):
Brodie, D. A. (David Arthur) , 1868-
Series:
Farmers' bulletin

3. 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-
Series:
Farmers' bulletin