Soil physical status as effected by fertilization
1984
Canarache, A. | Dumitriu, R. | Dumitru, E. | Vasilescu, P. | Trandafirescu, T. | Hera, C. | Sipos, G. | Moga, I. | Vasiliu, M. (Institutul de cercetari pentru pedologie si agrochimie Bucuresti (Romania))
Results are presented concerning the physical properties of soils under different treatments in a number of long-term field experiments. Field infiltration tests as well as laboratory determinations of bulk density, pore-size distribution, saturated hydraulic conductivity, structure etc. were performed. An agrophysical index including the results of all these determinations was calculated, and it is interpreted as a synthetic expression of the physical status of the soil. Data in figures 1-3 show that adequate fertilization has significant positive effects on the physical status of the soil, these effects representing a secondary, indirect, contribution of fertilizers to increasing soil productivity, and being due to increased development of the root system.
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