Albert E Ludwick

1) Fertilizer shortage and guidelines for dealing with it

Author
Ludwick, Albert E
Series
Service in action volume no. 0.552
Publisher
Colorado State University Extension Service
Pub. Date
1981.

2) Soil sampling: the key to a quality fertilizer recommendation

Author
Ludwick, Albert E
Series
Service in action volume no. 0.500
Publisher
Colorado State University Cooperative Extension
Pub. Date
1979.

3) Grain protein content and N needs

Author
Goos, R. J
Series
Crop series. Soil volume no. 0.555

4) Grain protein content as an indicator of nitrogen fertilizer needs in winter wheat in eastern Colorado

Author
Goos, R. J
Series
Service in action volume no. 0.555
Publisher
Colorado State University Extension Service
Pub. Date
1984.

5) Nitrogen fertilization of dryland winter wheat in eastern Colorado

Author
Goos, R. J
Series
Service in action volume no. 0.554
Publisher
Colorado State University Extension Service
Pub. Date
1982.

6) Sulfur fertilization of corn and winter wheat

Author
Henson, M. Ann
Series
Service in action volume no. 0.510
Publisher
Colorado State University Cooperative Extension
Pub. Date
1981.