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CONTINUED APPLICATION

ALPERUJO IN PHYSI

PROPERTIES OF A LUVISAPPARENT DENS

STRUCTURAL STABILITY A

POROSIMET

MAURICIO

DIAN

DIE

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ABSTRACT

The soils in semi -arid Mediterranean environment have low, leof organic matter and strong degradation processes .

Some residue from mills which produces alperujo that conteinvegetable water olive solids and others componets so containhigh percentage of organic matter

In this paper they evaluate the effect of applying arpelujo duriseven years and how varies the density, structural stability andporosimetry in a Luvisol Cutnico soils.

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They found that the application of arpelujo ,

increases structural stability, total pore volume athe apparent density decreases .

Keywords: Arpelujo , Luvisol , physical, agro-induwaste .

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INTRODUCTION

Mediterranean atmosphere soils have low levels of organic

Soils subjected to accelerate the decomposition of organic mand destroy stable aggregates , increasing degradative proce

In the ground - floor system has a number of physical factorsaffecting the performance of the crop .

Studies on utilization of organic amendment arpelujo are ver

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(PARENTHE

SIS)

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LUVISOLES

Its fertile soils high in silt susceptible to strucdeterioration if they are carved in wet condand / or heavy machinery.

In the Mediterranean region, the upper parts oslope are used as extensive grassland, crops or or other woody (eg, olive trees, almond tvineyards, etc..).

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HOW IMPROVE SOIL FERTILITY?.

Improving soil structure, increasing the water hocapacity, better mobilization of ground elementsthe best use of trees, nutrient itself, etc ... are a d

result of these contributions of organic amendmto prevent erosion and to improve the capacity awater use.

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END OF THE

PARENTHESIS

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METHODSThey used luvisol Cutnico that containis 19.8%, 19.7% and 60.5% clay, silt and sand,

respectivelyExperimental design in randomized blocks with three replicates per treatment, selecteddoses: 30 and 60 Mg arpelujo Ha-1 (T1 and T2) and a control (T0) whitout nothing.

Properties T0 T1 T2 Arpelujo

Organic carbon (g

kg -1)

11.07 26.16 36.42 535

pH (H2O) 8.00 7.80 7.15 5.70

Total N (g kg-1) 1.53 2.77 3.33 16

Available P (mg kg-

1)

14.0 37.6 60.3 2.75

Comparable K (mg

kg-1)

351 877 1657 7.30

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RESULTS AND DISCUSSION

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0.001-0.1 m 0.1-1 m 1.00-10 m 10-100 m Volumen

acumulativo

T0 22.7 26.5 45.4 127.1 221.7

T1 43.5 28,7 47.9 217.2 337.3

T2 42.7 37.2 63.1 369.8 512.8

Arpelujo Continued application leads to a decrease of the density values (DA) in T1 (13%

T2 (27%).

Alperujo applying a significant increase in the structural stability values (44% and 62% f

and T2, respectively).

Although a significant increase in all the ranges considered, it is noteworthy and increarecorded in the pore volume in each of the ranges considerable.

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CONCLUSIONS

Alperujo Continued application of 60 mg ha-1 yr-1, give beneeffects on the fiscal properties: apparent density, structuralstability and pore volume.

Alperujo Continued application helps decrease the deterioraphysical properties of olive soils and increases the manageabimproving the production.