Paper · 1987 · Journal of Plant Nutrition

Root-induced changes of nutrient availability in the rhizosphere

H. Marschner; V. Romheld; I. Cakmak

5
claims
7
verbatim quotes
272
citations
2
research areas
—
Not open access

Abstract

Abstract Nutrient availability in the rhizosphere differs in many respects from that in the bulk soil. Factors of major importance for the mineral nutrition of plants are root‐induced changes in rhizosphere pH, in reducing capacity of the roots, and in amount and composition of root exudates. These changes are in many instances root‐responses to the nutritional status of plants. Examples are given for zinc, iron, and phosphorus nutritional status in plants. Changes in nutrient availability in the rhizosphere may also be a consequence of alterations in the rhizosphere microflora. Root‐induced changes are important components for the adaptation of plants to extreme chemical soil conditions and for efficient use of soil and fertilizer nutrients.

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Claims 5

Observationauthor interpretationreview summarybasis n/a

Claim · model-written summary

Rhizosphere nutrient availability differs from bulk soil.

Taxon
plantsViridiplantaee1
Outcome
Nutrient availability in the rhizospheree0
Comparator
bulk soile0

Verbatim

e0

“Nutrient availability in the rhizosphere differs in many respects from that in the bulk soil.”

✓ located verbatim in the source · abstract, characters 9–102 · show in text ↑
e1

“mineral nutrition of plants are root‐induced changes”

✓ located verbatim in the source · abstract, characters 139–191 · show in text ↑
Mechanismauthor interpretationreview summarybasis n/a

Claim · model-written summary

Root-induced pH, reducing capacity, and exudate changes matter for plant mineral nutrition.

Taxon
plantsViridiplantaee0
Outcome
mineral nutrition of plantse0
Qualifier
root‐induced changes in rhizosphere pH, in reducing capacity of the roots, and in amount and composition of root exudatese0

Verbatim

e0

“Factors of major importance for the mineral nutrition of plants are root‐induced changes in rhizosphere pH, in reducing capacity of the roots, and in amount and composition of root exudates.”

✓ located verbatim in the source · abstract, characters 103–293 · show in text ↑
Mechanismauthor interpretationreview summarybasis n/a

Claim · model-written summary

Root-induced rhizosphere changes often respond to plant nutritional status.

Taxon
plantsViridiplantaee0
Outcome
root‐responsese0
Qualifier
nutritional status of plantse0

Verbatim

e0

“These changes are in many instances root‐responses to the nutritional status of plants.”

✓ located verbatim in the source · abstract, characters 294–381 · show in text ↑
Mechanismauthor interpretationreview summarybasis n/a

Claim · model-written summary

Changes in rhizosphere microflora can alter nutrient availability.

Taxon
plantsViridiplantaee1
Outcome
nutrient availability in the rhizospheree0
Qualifier
alterations in the rhizosphere microflorae0

Verbatim

e0

“Changes in nutrient availability in the rhizosphere may also be a consequence of alterations in the rhizosphere microflora.”

✓ located verbatim in the source · abstract, characters 462–585 · show in text ↑
e1

“nutritional status of plants.”

✓ located verbatim in the source · abstract, characters 352–381 · show in text ↑
Mechanismauthor interpretationreview summarypositivebasis n/a

Claim · model-written summary

Root-induced changes contribute to adaptation to extreme soil chemistry and efficient nutrient use.

Taxon
plantsViridiplantaee0
Outcome
adaptation of plants to extreme chemical soil conditions and for efficient use of soil and fertilizer nutrientse0
Qualifier
Root‐induced changese0

Verbatim

e0

“Root‐induced changes are important components for the adaptation of plants to extreme chemical soil conditions and for efficient use of soil and fertilizer nutrients.”

✓ located verbatim in the source · abstract, characters 586–752 · show in text ↑