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20211
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Subject: Forestry × Author: Bhupender × Start date: 2020 × Type: Thesis × Thesis Type: M.Sc ×
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    ThesisItemOpen Access
    Effect of spacing on barley varieties under eucalypus (Eucalypus Tereticornis) plantation in salt affected soil
    (CCSHAU, Hisar, 2021-07) Bhupender; Dalal, Virender
    The present investigation entitled “Effect of spacing on barley varieties under eucalyptus (Eucalyptus terticornis) plantation in salt affected soil” was carried out at Department of Forestry Research field, CCS HAU, Hisar lying in the semi-arid region of north-western India. The experiment was carried out to study the performance of seven barley varieties (BH 393, BH 902, BH 946, BH 885, BH 959, BH 75 and DWRB 92) under two spacings (4×2 m and 5×2 m) of about 2-year-old Eucalyptus terticornis (P23 clone) along with growth parameters of trees and physio-chemical properties of soil. The diameter at breast height (6.98 cm) and basal area (38.91 cm2) was recorded higher in 5×2 m spacing trees compared to 4×2 m spacing of Eucalyptus tereticornis, while plant height was recorded signigicantly higher (7.84 m) in 4×2 m tree spacing. Significantly higher growth parameters (Plant population, plant height and dry matter accumulation), physiological parameters (CGR, RGR, NAR, Leaf area and LAI), yield attributes and yield (no. of effective tillers/mrl, test wt., grain, straw, and biological yield) and NPK uptake were obtained under sole cropping followed by 5×2 m tree spacing and 4×2m tree spacing. However, significantly higher chlorophyll content was recorded under 4×2 m tree spacing followed by 5×2 m tree spacing and sole cropping in all varieties. Plant height was found maximum in BH 75 and BH 902. Dry matter accumulation was found maximum in BH 946 and BH 902. Significantly higher mean and interaction value of CGR, RGR leaf area, LAI was found to fluctuate in between BH 946 and BH 902 varieties and minimum was recorded in BH 885. Number of effective tillers were found maximum in BH 946 and DWRB 92 under 4×2 m, 5×2 m tree spacing and control. Under both agroforestry system BH 946 and BH 902 outyielded all other varieties. Barley variety BH-885 produced minimum yield among both the agroforestry system while, in control yield of BH 393 was found minimum. Test wt. was found maximum in DWRB 92 (52.10 g) and minimum was found in BH 393 (37.70 g). The soil pH and EC decreased more under closer spacing (4×2 m) of Eucalyptus tereticornis plantation over wider spacing (5×2 m) and control (sole barley). Highest improvement in soil physio-chemical was found in 4×2 m tree spacing followed by 5×2 m tree spacing and almost negligible improvement was found in control (sole cropping).