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Carbon sequestration potential of different land use systems in South Gujarat condition

KrishiKosh

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Title Carbon sequestration potential of different land use systems in South Gujarat condition
 
Creator Bhalawe, Shailendra
 
Contributor Jadeja, D.B.
 
Subject silk, productivity, costs, sericulture, animal products, biological development, exports, manpower, area, imports
 
Description The present investigation entitiled “ Carbon sequestr ation potential of dif f er ent land use s ystems in South Gujar at condition ” was car ried out at Instr uctional Far m, ASPEE College of Hor ticultur e and For estr y, Navsar i Agricultur al Univer sity, Navsar i ( Gujar at) f or two years (2012 and 2013). The experiment comprised of 15 tr ea tments viz., T 1 Riceb ( Oryza sativa L.) , T 2 Sugar cane ( Saccharum officinarum L.) , T 3 Banana ( Musa paradisiaca L. ) , T 4 Sapota ( Manilkara achras L. ) , T 5 Mango ( Mangifera indica L. ) , T 6 Teak ( Tectona grandis L.f. ) , T 7 Killai ( Albizzia procera ( Roxb.) Benth. ) , T 8 Eucalyptus ( Eucalyptus clones ) , T 9 Casuarina ( Casuarina equisetifolia L. ex J.R. & C. Fr aser ) , T 10 Shisham ( Dalbergia latifolia Roxb. ) , T 11 Jatropha ( Jatropha curcas L. ) , T 12 Arjun ( Terminalia arjuna Roxb.ex DC. Wight & Arn.) , T 13 Rice + Boundar y Plantation
( Tectona grandis L.f. ), T 14 Sugarcane + Boundar y Plantation ( Casuarina equisetifolia L. ex J.R. & C. Fr aser ) and T 15 Banana + Boundar y Plantation ( Tectona grandis L.f. ). The experiments wer e laid in three land use s ystems viz., Agricultur e land use s ystems (T 1 to T 3 ), Tr ee plantation
land use s ystems ( T 4 to T 12 ) and Agrof or estr y land use s ystems ( T 13 to T 15 ) with andomized Block Design (RBD) and thr ee replications.
Existing growth variability, biomass production, car bon density, carbon accumulation, car bon dioxide sequestr ation potential, soil or ganic carbon, available macro nutrient (N, P & K) and total benefits of each land use s ystems ( accrual of car bon cr edit) were evaluated. The r esults
have r evealed that diff erent land use s ystems have significant inf luence on the production of above gr ound biomass, below ground biomass as well as total biomass and car bon stock in both the years of exper iments.
It was noticed that ( growth r ate) height was higher in the tree plantation of T.arjuna (T
12 ; 21.55 m) which was closely followed b y A.procera (T 7 ; 21.05 m), T.grandis (T 6 ; 19.23 m), and D.latifolia (T 10 ; 19.05 m) , r espectively. Tr ee plantation of M.indica r ecorded higher
diameter at br east height ( DBH) ( T 5 ; 36.90 cm) which was closely followed b y tr ee of T.arjuna (T 12 ; 32.25 cm), A.procera (T 7 ; 32.05 cm) and T.grandis (T 6 ; 30.95cm). The maximum height of crop ( T 14 ; 3.69 m) was r ecor ded in the agroforestr y land use s ystem of S.officinarum grown
with C.equisetifolia and lowest in agricultur e land u se s ystem of O.sativa (T 1 ; 0.88 m).
The maximum above ground biomass ( S 2 ; 274.94 t/ha), below ground biomass (S 2 ; 69.80 t/ha) and total biomass (S 2 ; 349.01 t/ha) in South Gujar at condition was r ecorded in tree plantation land use s ystems. Litter f all dr y biomass pr oduction in tr ee plantation land use s ystem
followed the order: T.grandis > A.procera > T.arjuna > D.latifolia > M.indica > M. achras > O.sativa gr own with T.grandis > M.paradisiaca grown with T.grandis > S.officinarum grown with C.equisetif olia > C.equisetifolia > Eucalyptus clones . Straw/bagasse/pseudostem biomass production was significantly found maximum in the agricultur e land use system of S officinarum as compared to agr of or estr y land use s ystems cr ops of S.officinarum grown with C.equ isetifolia. The biomass production
per year was significantly maximum in the tr ee plantation land use s ystems followed by agrofor estr y land use s ystems and agr icultur e land use s ystems, r espectively. Similar tr ends wer e also seen in r espect of biomass car b on density, carbon accumulation and CO 2 sequestration potential in dif f er ent land use s ystems.
The maximum soil or ganic carbon (0.86% and 15.26 t/ha ) , soil nitr ogen concentration (317.13kg/ha) and soil phosphorus ( 68.43 kg/ha) was r ecorded in the tree pla ntation land use s ystem of T.grandis and also found higher soil available potassium ( 469.53kg/ha) in tree of A.procera which was at par with T.grandis (458.50kg/ha).
The accrual of carbon cr edit was signif icantly maximum in the tree plantation of Eucalyptus clones ( US $ 1062.60 and ` 63756/ha/yr ) and C.equisetifolia ( US $ 1000.40 and ` 60024/ha/yr ) which was statistically followed by agroforestr y land use s ystem of S.officinarum grown with C.equisetifolia ( US $ 829.25 and ` 49755/ha/yr ) and least in a gricultur e land use s ystems of O.sativa ( US $ 144.80 and ` 8688/ha/yr ). Over all aver age accrual of car bon cr edit per year followed tr end: tree plantation land use systems > agrofor estr y land use s ystems > agriculture
land use s ystems.
The findings evinced that in the South Gujar at condition tr ee plantation land use systems and agrofor estr y land use s ystems ar e not only biologically productive but have more car bon density, CO 2
sequestr ation potential, net profit, than field crops hence need to be promoted. W her eas, in the South Gujar at the tr ee plantation land uses s ystems ar e stor e house of car bon in both soil and plants, which need to be conser ved for environmental protections. From the CO 2 sequestration potential and economic point of view agrofor estr y bas ed boundar y plantation s ystems needs to be promoted over the tr aditional f ield crops based land use s ystems f or realizing both monetar y retur n as well as environmental benefits.
 
Date 2016-05-18T10:39:10Z
2016-05-18T10:39:10Z
2014
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/66054
 
Language en
 
Format application/pdf
 
Publisher NAU