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Ameliorative effects of microbial fertiliser on yield and quality parameters of curly lettuce and cucumber with fertiliser saving Cover

Ameliorative effects of microbial fertiliser on yield and quality parameters of curly lettuce and cucumber with fertiliser saving

Open Access
|Jun 2023

Figures & Tables

Figure 1.

Temperature and humidity values recorded in the greenhouse during the research periods.
Temperature and humidity values recorded in the greenhouse during the research periods.

Figure 2.

Lettuce before harvesting (6-1: D + CF) and chlorophyll measurement in cucumber leaves. D, dipping; CF, chemical fertilisation.
Lettuce before harvesting (6-1: D + CF) and chlorophyll measurement in cucumber leaves. D, dipping; CF, chemical fertilisation.

Figure 3.

Effects of different applications on L, chroma (C) and hue (H°) angle values in curly lettuce leaves. The difference between values not shown with the same letter are significant at a p < 0.05 level. C, control; CF, chemical fertilisation; MF, microbial fertilisation; D, dipping.
Effects of different applications on L, chroma (C) and hue (H°) angle values in curly lettuce leaves. The difference between values not shown with the same letter are significant at a p < 0.05 level. C, control; CF, chemical fertilisation; MF, microbial fertilisation; D, dipping.

Figure 4.

Histogram showing the effects of different applications on the first- and second-class yields (kg · ha−1) of cucumber. The difference between values not shown with the same letter are significant at a p < 0.05 level. C, control; CF, chemical fertilisation; MF, microbial fertilisation; D, dipping.
Histogram showing the effects of different applications on the first- and second-class yields (kg · ha−1) of cucumber. The difference between values not shown with the same letter are significant at a p < 0.05 level. C, control; CF, chemical fertilisation; MF, microbial fertilisation; D, dipping.

Figure 5.

First female flower formation in cucumber plants and number of female flowers when 50% of plants flower. C, control; CF, chemical fertilisation; MF, microbial fertilisation; D, dipping.
First female flower formation in cucumber plants and number of female flowers when 50% of plants flower. C, control; CF, chemical fertilisation; MF, microbial fertilisation; D, dipping.

Figure 6.

Effect of different applications on the development of cucumber roots.
Effect of different applications on the development of cucumber roots.

Effects of different applications on the fruit length, fruit stalk length, fruit stalk thickness and fruit diameter in cucumber_

ApplicationFruit length (cm)Fruit stalk length (cm)Fruit stalk thickness (mm)Fruit diameter (mm)
C        11.18 b*        1.80        3.57        23.76 d
MF        11.54 ab        2.01        3.28        24.84 c
CF        12.18 a        2.03        3.52        25.20 bc
CF + MF        11.55 ab        1.71        3.52        26.44 a
50% CF + MF        11.79 ab        1.82        3.59        26.19 a
D + CF        12.03 ab        1.82        3.58        25.82 ab
LSD5%          0.928          NS          NS          0.691

Effects of different applications on head height, root collar diameter, number of leaves and total chlorophyll contents in curly lettuce_

ApplicationHead height (cm)Root collar diameter (mm)Leaves (per plant)Chlorophyll contents
C        16.95 cd*        18.17 b        52.00 c        23.85 b
MF        16.71 d        17.86 b        53.57 bc        21.87 c
CF        19.03 b        20.05 a        58.00 ab        26.33 a
CF + MF        18.05 bc        18.82 ab        56.10 bc        25.98 a
50% CF + MF        18.03 bc        18.89 ab        57.00 abc        25.20 ab
D + CF        20.44 a        20.22 a        62.57 a        25.70 a
LSD5%          1.1165          1.8548          5.9853          1.4752

Effects of different applications on the total soluble solid and pH in curly lettuce_

ApplicationSoluble solid (%)pH
C        3.80 ab*        5.83 a
MF        4.00 a        5.76 cd
CF        3.63 b        5.78 bc
CF + MF        3.83 ab        5.80 ab
50% CF + MF        4.10 a        5.74 d
D + CF        4.10 a        5.80 ab
LSD5%        0.3138        0.0358

Effects of different applications on total soluble solid, pH and hardness_

ApplicationSoluble solid (%)pHUnpeeled hardness (kg · cm−2)Peeled hardness (kg · cm−2)
C        3.37 b*        5.50        1.98 b        1.35
MF        3.40 b        5.53        2.16 a        1.41
CF        3.34 b        5.50        2.21 a        1.40
CF + MF        3.46 ab        5.50        2.24 a        1.42
50% CF + MF        3.42 b        5.50        2.12 ab        1.36
D + CF        3.57 a        5.50        1.97 b        1.33
LSD5%        0.133          NS        0.1536          NS

Effects of different applications on total yield, markeTable yield, total average head weight and markeTable average head weight in curly lettuce_

ApplicationTotal yield (kg · ha−1)MarkeTable yield (kg · ha−1)Total average weight (g · plant−1)Mark. average weight (g · plant−1)
C        20,127.3 d*        18,978.0 d        362.29 d        341.60 d
MF        20,329.9 d        19,053.2 d        365.94 d        342.96 d
CF        29,265.0 b        26,981.5 b        526.77 b        485.67 b
CF + MF        29,513.9 ab        27,297.4 b        531.25 ab        491.36 b
50% CF + MF        25,665.5 c        23,607.6 c        461.98 c        424.94 c
D + CF        30,486.1 a        28,750.0 a        548.75 a        517.50 a
LSD5%          999.12          1,044.9          17.983          18.809

Effects of different applications on L, C and H° colour values of fruits and on chlorophyll of cucumber leaves_

ApplicationLCChlorophyll contents
C        35.92        21.61        123.25        43.98 d*
MF        36.32        20.79        123.42        53.34 bc
CF        36.32        21.35        123.49        54.13 b
CF + MF        36.57        21.10        123.47        49.33 c
50% CF + MF        37.50        22.86        122.95        60.84 a
D + CF        35.62        20.66        123.58        60.83 a
LSD5%          N.S.          N.S.          N.S.          4.1579

Applications involved in the study_

ApplicationAbbreviations
ControlC
Microbial fertilisation aloneMF
Chemical fertilisationCF
Chemical fertilisation + microbial fertilisationCF + MF
50% Chemical fertilisation + microbial fertilisation50% CF + MF
Dipping into microbial fertilisation + chemical fertilisationD + CF
DOI: https://doi.org/10.2478/fhort-2023-0007 | Journal eISSN: 2083-5965 | Journal ISSN: 0867-1761
Language: English
Page range: 91 - 106
Submitted on: Jun 9, 2022
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Accepted on: Feb 2, 2023
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Published on: Jun 26, 2023
In partnership with: Paradigm Publishing Services
Publication frequency: 2 issues per year

© 2023 Halil Demir, H. Kayhan Yalçi, Ayşe Katgici, published by Polish Society for Horticultural Sciences (PSHS)
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.