Paper · 2002 · Journal of Non Timber Forest Products

Litter production and nutrient return in agroforestry system

P. Shanmughavel; K. Francis

20
claims
49
verbatim quotes
0
citations
3
research areas
—
Not open access

Abstract

A field study was conducted to investigate the litter production and nutrient return behaviour of Bamboo in an agroforestry system. The combined crop of bamboo plantation intercropped with Pigeon pea produced higher quantity of litter than pure bamboo stand alone. The litter fall for all ages of plant indicated bimodel pattern with a principal peak in the winter and another in the late summer. Of the total annual litter production, leaf-litter accounted for 58% and twig-litter 42%. The annual litter production was 13.5 t ha-1 in pure bamboo stand and 15.7 t ha-1 in the above agroforestry system. With regards to nutrients highest concentration of N, P, Ca and Mg was in leaf-litter. In twig litter maximum concentration of K was observed. On an annual basis, 89, 6, 78, 42 and 49 kg ha-1 (Pure bamboo stand) and 113, 9, 106, 52 and 60 kg ha-1 (Agroforestry system) of N, P, K, Ca and Mg respectively were returned through litter fall. Maximum amount of all the nutrients were returned through leaf-litter and lowest through twig litter.

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Claims 20

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Bamboo intercropped with Pigeon pea produced more litter than a pure bamboo stand.

Taxon
BambooBambuseaee0
Interactor
Pigeon peaCajanus cajane0other
Outcome
quantity of littere0
Direction
highere0
Comparator
pure bamboo stand alonee0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cajanus cajan
Cajanus cajan · InteractorFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The combined crop of bamboo plantation intercropped with Pigeon pea produced higher quantity of litter than pure bamboo stand alone”

✓ located verbatim in the source · abstract, characters 132–263 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Bamboo litter fall had a bimodal seasonal pattern, peaking in winter and late summer.

Taxon
BambooBambuseaet0
Outcome
litter falle0
Qualifier
a principal peak in the winter and another in the late summere0

Verbatim

e0

“The litter fall for all ages of plant indicated bimodel pattern with a principal peak in the winter and another in the late summer”

✓ located verbatim in the source · abstract, characters 265–395 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Leaf litter accounted for 58% of annual bamboo litter production.

Taxon
BambooBambuseaet0
Organ / stage
leaf-littere0
Outcome
annual litter productione0
Value
58%e0

Verbatim

e0

“Of the total annual litter production, leaf-litter accounted for 58%”

✓ located verbatim in the source · abstract, characters 397–465 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Twig litter accounted for 42% of annual bamboo litter production.

Taxon
BambooBambuseaet0
Organ / stage
twig-littere0
Outcome
twig-littere0
Value
42%e0

Verbatim

e0

“twig-litter 42%”

✓ located verbatim in the source · abstract, characters 470–485 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Annual litter production in pure bamboo was 13.5 t ha-1.

Taxon
bambooBambuseaee0
Outcome
annual litter productione0
Value
13.5 t ha-1e0
Setting
pure bamboo stande0

Verbatim

e0

“The annual litter production was 13.5 t ha-1 in pure bamboo stand”

✓ located verbatim in the source · abstract, characters 487–552 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Annual litter production in the bamboo agroforestry system was 15.7 t ha-1.

Taxon
BambooBambuseaet0
Outcome
litter productione0
Value
15.7 t ha-1e0
Setting
agroforestry systeme0

Verbatim

e0

“The annual litter production was 13.5 t ha-1 in pure bamboo stand and 15.7 t ha-1 in the above agroforestry system”

✓ located verbatim in the source · abstract, characters 487–601 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Leaf litter had the highest N, P, Ca and Mg concentrations.

Taxon
BambooBambuseaet0
Organ / stage
leaf-littere0
Outcome
concentration of N, P, Ca and Mge0
Direction
higheste0

Verbatim

e0

“highest concentration of N, P, Ca and Mg was in leaf-litter”

✓ located verbatim in the source · abstract, characters 629–688 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Twig litter had the maximum K concentration.

Taxon
BambooBambuseaet0
Organ / stage
twig littere0
Outcome
concentration of Ke0
Direction
maximume0

Verbatim

e0

“In twig litter maximum concentration of K was observed”

✓ located verbatim in the source · abstract, characters 690–744 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

N returned via litter was 89 kg ha-1 in pure bamboo.

Taxon
BambooBambuseaet0
Outcome
Ne1
Value
89e0
Setting
Pure bamboo stande0

Verbatim

e0

“89, 6, 78, 42 and 49 kg ha-1 (Pure bamboo stand)”

✓ located verbatim in the source · abstract, characters 766–814 · show in text ↑
e1

“of N, P, K, Ca and Mg respectively were returned through litter fall”

✓ located verbatim in the source · abstract, characters 872–940 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

P returned via litter was 6 kg ha-1 in pure bamboo.

Taxon
BambooBambuseaet0
Outcome
Pe1
Value
6e0
Setting
Pure bamboo stande0

Verbatim

e0

“89, 6, 78, 42 and 49 kg ha-1 (Pure bamboo stand)”

✓ located verbatim in the source · abstract, characters 766–814 · show in text ↑
e1

“of N, P, K, Ca and Mg respectively were returned through litter fall”

✓ located verbatim in the source · abstract, characters 872–940 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

K returned via litter was 78 kg ha-1 in pure bamboo.

Taxon
BambooBambuseaet0
Outcome
Ke1
Value
78e0
Setting
Pure bamboo stande0

Verbatim

e0

“89, 6, 78, 42 and 49 kg ha-1 (Pure bamboo stand)”

✓ located verbatim in the source · abstract, characters 766–814 · show in text ↑
e1

“of N, P, K, Ca and Mg respectively were returned through litter fall”

✓ located verbatim in the source · abstract, characters 872–940 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Ca returned via litter was 42 kg ha-1 in pure bamboo.

Taxon
BambooBambuseaet0
Outcome
Cae1
Value
42e0
Setting
Pure bamboo stande0

Verbatim

e0

“89, 6, 78, 42 and 49 kg ha-1 (Pure bamboo stand)”

✓ located verbatim in the source · abstract, characters 766–814 · show in text ↑
e1

“of N, P, K, Ca and Mg respectively were returned through litter fall”

✓ located verbatim in the source · abstract, characters 872–940 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Mg returned via litter was 49 kg ha-1 in pure bamboo.

Taxon
BambooBambuseaet0
Outcome
Mge1
Value
49 kg ha-1e0
Setting
Pure bamboo stande0

Verbatim

e0

“89, 6, 78, 42 and 49 kg ha-1 (Pure bamboo stand)”

✓ located verbatim in the source · abstract, characters 766–814 · show in text ↑
e1

“of N, P, K, Ca and Mg respectively were returned through litter fall”

✓ located verbatim in the source · abstract, characters 872–940 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

N returned via litter was 113 kg ha-1 in agroforestry.

Taxon
BambooBambuseaet0
Outcome
Ne1
Value
113e0
Setting
Agroforestry systeme0

Verbatim

e0

“113, 9, 106, 52 and 60 kg ha-1 (Agroforestry system)”

✓ located verbatim in the source · abstract, characters 819–871 · show in text ↑
e1

“of N, P, K, Ca and Mg respectively were returned through litter fall”

✓ located verbatim in the source · abstract, characters 872–940 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

P returned via litter was 9 kg ha-1 in agroforestry.

Taxon
BambooBambuseaet0
Outcome
Pe1
Value
9e0
Setting
Agroforestry systeme0

Verbatim

e0

“113, 9, 106, 52 and 60 kg ha-1 (Agroforestry system)”

✓ located verbatim in the source · abstract, characters 819–871 · show in text ↑
e1

“of N, P, K, Ca and Mg respectively were returned through litter fall”

✓ located verbatim in the source · abstract, characters 872–940 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

K returned via litter was 106 kg ha-1 in agroforestry.

Taxon
BambooBambuseaet0
Outcome
Ke1
Value
106e0
Setting
Agroforestry systeme0

Verbatim

e0

“113, 9, 106, 52 and 60 kg ha-1 (Agroforestry system)”

✓ located verbatim in the source · abstract, characters 819–871 · show in text ↑
e1

“of N, P, K, Ca and Mg respectively were returned through litter fall”

✓ located verbatim in the source · abstract, characters 872–940 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Ca returned via litter was 52 kg ha-1 in agroforestry.

Taxon
BambooBambuseaet0
Outcome
Cae1
Value
52e0
Setting
Agroforestry systeme0

Verbatim

e0

“113, 9, 106, 52 and 60 kg ha-1 (Agroforestry system)”

✓ located verbatim in the source · abstract, characters 819–871 · show in text ↑
e1

“of N, P, K, Ca and Mg respectively were returned through litter fall”

✓ located verbatim in the source · abstract, characters 872–940 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Mg returned via litter was 60 kg ha-1 in agroforestry.

Taxon
BambooBambuseaet0
Outcome
Mge1
Value
60 kg ha-1e0
Setting
Agroforestry systeme0

Verbatim

e0

“113, 9, 106, 52 and 60 kg ha-1 (Agroforestry system)”

✓ located verbatim in the source · abstract, characters 819–871 · show in text ↑
e1

“of N, P, K, Ca and Mg respectively were returned through litter fall”

✓ located verbatim in the source · abstract, characters 872–940 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Leaf litter returned the most nutrients.

Taxon
BambooBambuseaet0
Organ / stage
leaf-littere0
Outcome
all the nutrientse0
Direction
Maximume0

Verbatim

e0

“Maximum amount of all the nutrients were returned through leaf-litter”

✓ located verbatim in the source · abstract, characters 942–1011 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Twig litter returned the least nutrients.

Taxon
BambooBambuseaet0
Organ / stage
twig littere0
Outcome
all the nutrientse1
Direction
loweste0

Verbatim

e0

“lowest through twig litter”

✓ located verbatim in the source · abstract, characters 1016–1042 · show in text ↑
e1

“all the nutrients were returned through leaf-litter and lowest through twig litter”

✓ located verbatim in the source · abstract, characters 960–1042 · show in text ↑
t0

“Bamboo”

✓ located verbatim in the source · abstract, characters 98–104 · show in text ↑