Cropping Systems: Applications, Management and Impact
Phosphorus Dynamic in the Soil-Plant System ... 29 system may provide useful information to avoid excessive fertilization with u ...
30 Liliana Suñer and Juan Galantini determine soil structure. The POM on the other hand is the more dynamic component, playing a ...
Phosphorus Dynamic in the Soil-Plant System ... 31 1993). However, some researchers have found no textural effects on litter dec ...
32 Liliana Suñer and Juan Galantini desorption-diffusion processes, and through SOM mineralization- immobilization by microbial ...
Phosphorus Dynamic in the Soil-Plant System ... 33 fraction for P equilibrium and could also indicate a higher level of precipit ...
34 Liliana Suñer and Juan Galantini soils, as was subsequently corroborated by analysis of the non-weighted results. Such enrich ...
Phosphorus Dynamic in the Soil-Plant System ... 35 Figure 1. Dynamics of P bounded to Ca (P-Ca) and not occluded Fe+Al (P-Fe+Al) ...
36 Liliana Suñer and Juan Galantini studies (Magid & Nielsen, 1992) found that after ploughing pasture soils, available P in ...
Phosphorus Dynamic in the Soil-Plant System ... 37 content in the Pi labile fraction was lower between tillage systems, a loss o ...
38 Liliana Suñer and Juan Galantini Crop Rotation Agriculture significantly affects P availability due to the extraction caused ...
Phosphorus Dynamic in the Soil-Plant System ... 39 tillage and low residue input. A grassing period without tillage (WG and WL) ...
40 Liliana Suñer and Juan Galantini In another cropping systems with no tillage initiated in 1998, where three of the sequences ...
Phosphorus Dynamic in the Soil-Plant System ... 41 Fertilization Numerous studies have investigated the effects of fertilizer ad ...
42 Liliana Suñer and Juan Galantini dynamics and final destination of applied P. In terms of fertility, the higher the Pe and or ...
Phosphorus Dynamic in the Soil-Plant System ... 43 Figure 4. Electron micrograph (SEM) of the same fertilized sample after 360 w ...
44 Liliana Suñer and Juan Galantini Table 1. Eigenvalues of principal components including all variables analyzed in the system ...
Phosphorus Dynamic in the Soil-Plant System ... 45 uptake by plants depended not only on the P available for the crop, but also ...
46 Liliana Suñer and Juan Galantini These apparently contradictory results suggest that P availability depends not on P content ...
Phosphorus Dynamic in the Soil-Plant System ... 47 A Conceptual P Model Abundant research shown that physical fractionation by p ...
48 Liliana Suñer and Juan Galantini fraction represents an active pool. According to this finding, a conceptual model can be pro ...
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