Energy of phosphate fertilizer applications and food energy returns
|
1980 |
Burrows, William C. |
Phosphorus nutrition of forages
|
1980 |
Mays, D. A. |
Phosphate nutrition of plants, a general treatise
|
1980 |
Ozanne, P. G. |
Relationship between phosphorus nutrition of plants and the phosphorus nutrition of animals and man
|
1980 |
Reid, R. L. |
Energy requirements for the production of phosphate fertilizers
|
1980 |
White, William C. |
The phosphate industry of the United States
|
1980 |
Cathcart, James B. |
World phosphate reserves and resources
|
1980 |
Cathcart, James B. |
Sulfur requirements of the phosphate fertilizer industry
|
1980 |
Bixby, D. W. |
Interactions of phosphorus with other elements in soils and in plants
|
1980 |
Adams, Fred |
Posphate raw materials and fertilizers : P. 1 ; a look ahead
|
1980 |
Lehr, James R. |
Use and limitations of physical-chemical criteria for assessing the status of phosphorus in soils
|
1980 |
Olsen, S. R. |
Phosphate fertilizers and process technology
|
1980 |
Young, Ronald D. |
Phosphate nutrition of corn, sorghum, soybeans, and small grains
|
1980 |
Hanway, J. J. |
Agricultural phosphorus in the environment
|
1980 |
Taylor, A. W. |
Use of waste materials as sources of phosphorus
|
1980 |
Sommers, L. E. |
Soil-plant interactions in the phosphorus nutrition of plants
|
1980 |
Barber, Stanley A. |
Phosphoric acid technology
|
1980 |
Robinson, Norman |
Role of rhizosphere microorganisms in phosphorus uptake by plants
|
1980 |
Tinker, P. B. |
Phosphorus nutrition of cotton, peanuts, rice, sugarcane, and tobacco
|
1980 |
Nelson, L. E. |
Agronomic effectiveness of phosphate fortilizers
|
1980 |
Engelstad, O. P. |