| LTSE | Effect of fertilizers input on crop capacity and soil fertility as main parameters in agricultural monitoring programm for South Ukraine ordinary chernozems | Vladimir |
| LTSE | Models of high & sustained crop yield with standart quality parameters based on minimal energy resources & ecological balance of agroecosystems | Vladimir |
| LTSE | Liming efficiency on different fertilizer type and rates background | Vladimir |
| LTSE | Ecologically balanced fertilizer systems for crop rotations on blind tile drained soil providing a high yield and crop quality parameters and increasing soil fertility | Vladimir |
| LTSE | Ukraine, Poltava State Agricultural Experiment Station | Vladimir |
| LTSE | Continuous rye | Vladimir |
| LTSE | Crop yield and quality parameters, soil fertility as affected by medium and high rates of manure and fertilizers application | Vladimir |
| LTSE | Experimental Station. Effect of main types and combination of fertilizers on crop rotation productivity and soil parameters | Vladimir |
| LTSE | New experimental field | Vladimir |
| LTSE | Soil fertility and crop production as affected by selected nutrients under separate and combined application in irrigation conditions | Vladimir |
| LTSE | Principles of fertilizers efficiency and agrochemical parameters dynamics following intensive chemicalization system | Vladimir |
| Discussion | What are key findings that can be discovered only in long-term soil studies? | olk |
| Biography | Olk, Dan | olk |
| Biography | Yeboah, Edward | EDWARD YEBOAH |
| Publication | Long term Earth records - the greatest achievements of our Age | drichter |
| Publication | Rhizogenic Fe-C redox cycling: a hypothetical biogeochemical mechanism that drives crustal weathering in upland soils | drichter |
| Publication | Biochar | drichter |
| Link | NRCS - Photo Gallery | mhof |
| Book page | Relationships | mhof |
| LTSE | Efficiency of fertilization in combination with application of plant protection chemicals in arable crop rotation | Vladimir |
| LTSE | Efficiency of different rates and combinations of FYM and fertilizers on sandy loam podzoluvisoils | Vladimir |
| LTSE | Role of farmyard manure organic matter in increasing fertility of soddy podsolic soils | Vladimir |
| LTSE | Effect of organic and mineral fertilizers on humus balance and crop rotation productivity in Zavolzhie steppe | Vladimir |
| LTSE | Comparative efficiency of FYM & inorganic fertilizers (experiment 1) | Vladimir |
| LTSE | Rates of sulfate ammonium, No. 27 | Vladimir |