| 1 |
no. 2
Modification of the aerial environment of plants / edited by B. J. Barfield, J. F. Gerber
St. Joseph, Mich. : American Society of Agricultural Engineers , 1979
|
| 2 |
no. 4
Modifying the root environment to reduce crop stress / edited by G.F. Arkin, H.M. Taylor
St. Joseph, Mich. : American Society of Agricultural Engineers , 1981
|
| 3 |
no. 5
Hydrologic modeling of small watersheds / edited by C.T. Haan, H.P. Johnson, D.L. Brakensiek
St. Joseph, Mich. : American Society of Agricultural Engineers , 1982
|
| 4 |
no. 3
Design and operation of farm irrigation systems / edited by M.E. Jensen
St. Joseph, Mich. : American Society of Agricultural Engineers , 1980
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| 5 |
no. 1
Compaction of agricultural soils / Organized by K. K. Barnes [and others]
St. Joseph, Mich. : American Society of Agricultural Engineers , 1971
|