| 811 |
Electrical conductivity and extractable nutrient levels in a calcareous sand irrigated with iron and phosphorus supplemented water and cropped with barley and cowpea |
1981 |
| 812 |
Electrical conductivity and extractable nutrient levels in a calcareous sand irrigated with iron and phosphorus supplemented water and cropped with barley and cowpea |
1981 |
| 813 |
Electrical conductivity and extractable nutrient levels in a calcareous sand irrigated with iron and phosphorus supplemented water and cropped with barley and cowpea |
1981 |
| 814 |
Electrical conductivity and extractable nutrient levels in calcareous sand which was irrigated with Fe and P supplemented water and cropped with barley and cowpea |
1981 |
| 815 |
Growth, yield components and nutrient content of barley under different irrigation systems |
1981 |
| 816 |
Growth, yield components and nutrient content of barley under different irrigation systems |
1981 |
| 817 |
Growth, yield components and nutrient content of barley under different irrigation systems |
1981 |
| 818 |
Influence of boron, phosphorus and soil moisture on the growth and nutrient composition Georgia |
1981 |
| 819 |
Yield and nutrient content of barley and cowpea plants grown on a calcareous sand which was irrigated with Fe and P supplemented water |
1981 |
| 820 |
Critical levels of zinc in cotton plants. ASA. CSSA |
1980 |