Abstract
Establishing strategies of organic amendments application to mitigate the adverse effects of saline irrigation are essential for the sustainable agriculture. A two-year pot experiment was conducted using combinations of organic amendments including effective microorganisms (EM), biochar (BC) and digestate (Di) to investigate their effects on soil and melon (Cucumis melo L.) compared with the recommended NPK fertilizer and Control (CK) under two levels of irrigation water salinity (SL0: 0.25 dS/m, SL1: 2.0 dS/m). Results showed combined applications of organic amendments could significantly (p<0.05) increase soil pH and organic matter (OM) compared to NPK and CK. Application of organic amendments containing BC evidently increased the sodium adsorptive capacity (SAC) under saline water solution. The combined application of EM, BC and Di (EM+BC+Di) could significantly (p<0.05) improve soil available water retention under SL0 and SL1 compared with other treatments. Results also showed organic amendments application can significantly (p<0.05) enhance the photosynthetic rate (Pr) and reduce sodium ion (Na+) content in melon leaves. EM+BC+Di could significantly (p<0.05) increase water use efficiency (WUE) and fruit yield of melon under SL0 and SL1 in comparison to other treatments. It proved that EM+BC+Di had a positive effect on the soil improvement, melon growth, WUE and fruit yield. Moreover, EM+BC+Di could be used as an alternative strategy for mineral NPK fertilization of melon at reasonable dosages and frequencies under saline irrigation. Keywords: organic amendments, saline irrigation, soil improvement, melon, water use efficiency DOI: 10.25165/j.ijabe.20211405. Citation: Elbashier M M A, Shao Y L, Wang L K, Chen D L, Zhong H. Effects of organic amendments on soil properties and growth characteristics of Melon (Cucumis melo L.) under saline irrigation. Int J Agric & Biol Eng, 2021; 14(5): 123–129.
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Claims 7
Claim · model-written summary
Combined organic amendments significantly increased soil pH and organic matter compared with NPK and CK in melon under saline irrigation.
- Taxon
- Cucumis melo L.
.jpg?width=60)
Cucumis melot0 - Treatment
- combined applications of organic amendmentse1
- Outcome
- soil pH and organic matter (OM)e1
- Direction
- increasee1
- Comparator
- NPK and CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“growth characteristics of Melon (Cucumis melo L.) under saline irrigation”
e1“combined applications of organic amendments could significantly (p<0.05) increase soil pH and organic matter (OM) compared to NPK and CK”
Claim · model-written summary
Organic amendments containing BC evidently increased sodium adsorptive capacity under saline water solution.
- Taxon
- Cucumis melo L.Cucumis melot0
- Treatment
- organic amendments containing BCe2
- Outcome
- sodium adsorptive capacity (SAC)e2
- Direction
- increasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“growth characteristics of Melon (Cucumis melo L.) under saline irrigation”
e2“Application of organic amendments containing BC evidently increased the sodium adsorptive capacity (SAC) under saline water solution”
Claim · model-written summary
The combined EM, BC and Di amendment significantly improved soil available water retention under SL0 and SL1 compared with other treatments.
- Taxon
- Cucumis melo L.Cucumis melot0
- Treatment
- combined application of EM, BC and Di (EM+BC+Di)e3
- Outcome
- soil available water retentione3
- Direction
- improvee3
- Qualifier
- under SL0 and SL1e3
- Comparator
- other treatmentse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“growth characteristics of Melon (Cucumis melo L.) under saline irrigation”
e3“The combined application of EM, BC and Di (EM+BC+Di) could significantly (p<0.05) improve soil available water retention under SL0 and SL1 compared with other treatments”
Claim · model-written summary
Organic amendments application significantly enhanced the photosynthetic rate of melon.
- Taxon
- Cucumis melo L.Cucumis melot0
- Treatment
- organic amendments applicatione4
- Outcome
- photosynthetic rate (Pr)e4
- Direction
- enhancee4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“growth characteristics of Melon (Cucumis melo L.) under saline irrigation”
e4“organic amendments application can significantly (p<0.05) enhance the photosynthetic rate (Pr)”
Claim · model-written summary
Organic amendments application significantly reduced sodium ion content in melon leaves.
- Taxon
- Cucumis melo L.Cucumis melot0
- Organ / stage
- leavese5
- Treatment
- organic amendments applicatione4
- Outcome
- sodium ion (Na+) contente5
- Direction
- reducee5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“growth characteristics of Melon (Cucumis melo L.) under saline irrigation”
e4“organic amendments application can significantly (p<0.05) enhance the photosynthetic rate (Pr)”
e5“reduce sodium ion (Na+) content in melon leaves”
Claim · model-written summary
EM+BC+Di significantly increased water use efficiency and fruit yield of melon under SL0 and SL1 compared with other treatments.
- Taxon
- Cucumis melo L.Cucumis melot0
- Treatment
- EM+BC+Die6
- Outcome
- water use efficiency (WUE) and fruit yielde6
- Direction
- increasee6
- Qualifier
- under SL0 and SL1e6
- Comparator
- other treatmentse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“growth characteristics of Melon (Cucumis melo L.) under saline irrigation”
e6“EM+BC+Di could significantly (p<0.05) increase water use efficiency (WUE) and fruit yield of melon under SL0 and SL1 in comparison to other treatments”
Claim · model-written summary
EM+BC+Di could be used as an alternative strategy for mineral NPK fertilization of melon at reasonable dosages and frequencies under saline irrigation.
- Taxon
- Cucumis melo L.Cucumis melot0
- Treatment
- EM+BC+Die7
- Outcome
- alternative strategy for mineral NPK fertilizatione7
- Qualifier
- at reasonable dosages and frequencies under saline irrigatione7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“growth characteristics of Melon (Cucumis melo L.) under saline irrigation”
e7“EM+BC+Di could be used as an alternative strategy for mineral NPK fertilization of melon at reasonable dosages and frequencies under saline irrigation”
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