GSP GSSAS21 Saline Soils Poster EN 004

Preview:

Citation preview

A healthy soil is able to sustain the productivity, diversity, and environmental

services of terrestrial ecosystems .

Improper water management (insufficient water supply, poor water quality, reuse of brackish

water and bad drainage systems)

Improper water management (insufficient water supply, poor water quality, reuse of brackish

water and bad drainage systems)

Massive structurein the subsoil

Massive structurein the subsoil

Less biodiversityLess biodiversity

Nutrient imbalance

Nutrient imbalance

Less biodiversityLess biodiversity

Less available waterLess available water

Nutrient imbalance

Nutrient imbalance

Available water

Available water

Nutrient balanceNutrient balance

Rich biodiversityRich biodiversity

No contaminantsNo contaminants

High contentof soil organic

carbon

High contentof soil organic

carbon

Good and stable aggregatesGood and stable aggregates

Accumulatedsalts

Accumulatedsalts

HEALTHYSOILS

SODICSOILS

Salt-affected soilsSalt-affected soilsA global concern

reducing agriculturalproductivity

Saline soils have excessivelevels of soluble salts.

It can negatively impact or inhibit plant growth and can be toxic to life.

Sodic soils have a high amount of adsorbed sodium.

It leads to degradation of soil structure and inhibits plant growth.

SALINESOILS

NaClNa2So4

Ca2+

So42+

Cl-

HCO3-2

CO3-2

Mg2+

Na+ Na+

Na+Na+

MnM

A N G A N E S E

ZnZ I N C

SS U L P H U R

FeI R O N

N I C K E L

NiCl

C H L O R I N E

CaC A L C I U M

BB O R O N

Mo

M

O LY B D E N U MCuC O P P E R

NaS O D I U M

KP O TA S SI U M

NN IT R O G E N

PP H O S P H O R U SMg

MA G N E S I U MM A G N E SI U M

©FA

O, 2

021

CB

7074

EN