Albert E Ludwick

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

Author

Ludwick, Albert E

Series

Service in action volume no. 0.500

Pub. Date

1979.

2) Fertilizer shortage and guidelines for dealing with it

Author

Ludwick, Albert E

Series

Service in action volume no. 0.552

Pub. Date

1981.

3) Grain protein content and N needs

Author

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

Series

Service in action volume no. 0.555

Pub. Date

1984.

5) Nitrogen fertilization of dryland winter wheat in eastern Colorado

Author

Series

Service in action volume no. 0.554

Pub. Date

1982.

6) Sulfur fertilization of corn and winter wheat

Author

Series

Service in action volume no. 0.510

Pub. Date

1981.