Paper · 2017 · Anbar Journal of Agricultural Sciences

Effect of humic acid in some soil properties and growth of irrigated Squash with different saline water

Yass K. AL-Hadithi; Maysam A. Al-Mashhadany

12
claims
27
verbatim quotes
0
citations
2
research areas
✓
Open access · cc-by

Abstract

The study was conducted at the Faculty of Agriculture - Anbar University during the autumn season of 2016. The study included the effect of humic acid in some soil properties and the growth of squash with different saline water. The study included two salinity irrigation water and four levels of S0, S1, S2 and S3 salinity 1.1, 2, 3.8 and 5.6 dS m-1 and factor 2 addition of humic acid spray on plants at four levels F0, F1, F2 and F3 Spraying, 0.5, 1 and 1.5 g L-1. The results showed a decrease in dry weight and plant yield when irrigation with saline water, with a value of 0.00 at salinity of 5.6 dS m-1, Compared with fresh water use 16.72 g Plant -1 and -1.66 g Plant-1, Levels of humic acid spray increased significantly in dry weight as it increased from 8.74 g Plant -1, at the level of non-spraying to 12.44 g Plants -1, at the level of spraying 1.5 g L-1. Also increased the plant yield of 64.41 g. Plant -1 when compared to 111.06 g Plants -1 at the spraying level of 1.5 g L-1. The salinity of irrigation water caused differences in the concentration of nitrogen, phosphorus and potassium in the vegetative parts of the zucchini. The concentration of nitrogen increased from 2.075 mg N kg-1 to 2.225 mg N kg-1 while the concentration of phosphorus decreased by increasing salinity levels from 0.38 to 0.28 mg P Kg-1 potassium concentration decreased from 3.36 to 2.65 mg Kg-1. The concentration of nitrogen, phosphorus and potassium increased in vegetative parts of the plant by increasing the levels of the humic acid spraying by 1.11, 0.29 and 2.48 mg kg -1 respectively on the spraying level 1.5 g L-1 compared to the comparison treatment 1.11, 0. 19 and 1.10 mg kg-1 respectively. Increase the values of electrical conductivity in the soil after planting by increasing the salinity of irrigation water as it increased to 3.60 ds m-1 after it was 1.11. ds m-1 when irrigated with fresh water. However, the spraying of the humic acid caused the decrease in the values of the electrical conductivity as it decreased from 2.16 ds.m-1 when the comparison was compared to 2.16 ds.m-1 at the spraying level of 1.5 g L-1.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 12

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Dry weight was lower under saline irrigation at 5.6 dS m-1 (0.00) than with fresh water (16.72 g per plant).

Taxon
squashe0
Treatment
salinity of 5.6 dS m-1e2
Outcome
dry weighte2
Direction
decreasee2
Value
0.00e2
Qualifier
16.72 g Plant -1e2
Comparator
fresh watere2

Verbatim

e0

“the growth of squash with different saline water”

✓ located verbatim in the source · abstract, characters 179–227 · show in text ↑
e2

“The results showed a decrease in dry weight and plant yield when irrigation with saline water, with a value of 0.00 at salinity of 5.6 dS m-1, Compared with fresh water use 16.72 g Plant -1 and -1.66 g Plant-1”

✓ located verbatim in the source · abstract, characters 468–677 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Plant yield decreased under saline irrigation at 5.6 dS m-1 compared with fresh water.

Taxon
squashe0
Treatment
salinity of 5.6 dS m-1e2
Outcome
plant yielde2
Direction
decreasee2
Comparator
fresh watere2

Verbatim

e0

“the growth of squash with different saline water”

✓ located verbatim in the source · abstract, characters 179–227 · show in text ↑
e2

“The results showed a decrease in dry weight and plant yield when irrigation with saline water, with a value of 0.00 at salinity of 5.6 dS m-1, Compared with fresh water use 16.72 g Plant -1 and -1.66 g Plant-1”

✓ located verbatim in the source · abstract, characters 468–677 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Humic acid spray at 1.5 g L-1 significantly increased dry weight from 8.74 to 12.44 g per plant compared with non-spraying.

Taxon
squashe0
Treatment
humic acid spraye3
Outcome
dry weighte3
Direction
increasede3
Value
12.44 g Plants -1e3
Qualifier
8.74 g Plant -1e3
Comparator
non-sprayinge3

Verbatim

e0

“the growth of squash with different saline water”

✓ located verbatim in the source · abstract, characters 179–227 · show in text ↑
e3

“Levels of humic acid spray increased significantly in dry weight as it increased from 8.74 g Plant -1, at the level of non-spraying to 12.44 g Plants -1, at the level of spraying 1.5 g L-1”

✓ located verbatim in the source · abstract, characters 679–867 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Plant yield increased with humic acid spraying at 1.5 g L-1 (64.41 g per plant, compared with 111.06 g as written in the abstract).

Taxon
squashe0
Treatment
spraying level of 1.5 g L-1e4
Outcome
plant yielde4
Direction
increasede4
Value
64.41 g. Plant -1e4
Qualifier
111.06 g Plants -1e4

Not reportedComparator

Schema note from the model: abstract values are inconsistent: the increase is reported with 64.41 g and 111.06 g both attached

Verbatim

e0

“the growth of squash with different saline water”

✓ located verbatim in the source · abstract, characters 179–227 · show in text ↑
e4

“Also increased the plant yield of 64.41 g. Plant -1 when compared to 111.06 g Plants -1 at the spraying level of 1.5 g L-1”

✓ located verbatim in the source · abstract, characters 869–991 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Leaf nitrogen concentration in squash increased from 2.075 to 2.225 mg N kg-1 with increasing salinity of irrigation water.

Taxon
squashe0
Organ / stage
vegetative partse5
Treatment
salinity of irrigation watere5
Outcome
concentration of nitrogene6
Direction
increasede6
Value
2.075 mg N kg-1 to 2.225 mg N kg-1e6

Not reportedComparator

Verbatim

e0

“the growth of squash with different saline water”

✓ located verbatim in the source · abstract, characters 179–227 · show in text ↑
e5

“The salinity of irrigation water caused differences in the concentration of nitrogen, phosphorus and potassium in the vegetative parts of the zucchini”

✓ located verbatim in the source · abstract, characters 993–1143 · show in text ↑
e6

“The concentration of nitrogen increased from 2.075 mg N kg-1 to 2.225 mg N kg-1 while the concentration of phosphorus decreased by increasing salinity levels from 0.38 to 0.28 mg P Kg-1 potassium concentration decreased from 3.36 to 2.65 mg Kg-1”

✓ located verbatim in the source · abstract, characters 1145–1390 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Leaf phosphorus concentration in squash decreased from 0.38 to 0.28 mg P Kg-1 with increasing salinity levels.

Taxon
squashe0
Organ / stage
vegetative partse5
Treatment
increasing salinity levelse6
Outcome
concentration of phosphoruse6
Direction
decreasede6
Value
0.38 to 0.28 mg P Kg-1e6

Not reportedComparator

Verbatim

e0

“the growth of squash with different saline water”

✓ located verbatim in the source · abstract, characters 179–227 · show in text ↑
e5

“The salinity of irrigation water caused differences in the concentration of nitrogen, phosphorus and potassium in the vegetative parts of the zucchini”

✓ located verbatim in the source · abstract, characters 993–1143 · show in text ↑
e6

“The concentration of nitrogen increased from 2.075 mg N kg-1 to 2.225 mg N kg-1 while the concentration of phosphorus decreased by increasing salinity levels from 0.38 to 0.28 mg P Kg-1 potassium concentration decreased from 3.36 to 2.65 mg Kg-1”

✓ located verbatim in the source · abstract, characters 1145–1390 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Leaf potassium concentration in squash decreased from 3.36 to 2.65 mg Kg-1 with increasing salinity levels.

Taxon
squashe0
Organ / stage
vegetative partse5
Treatment
increasing salinity levelse6
Outcome
potassium concentratione6
Direction
decreasede6
Value
3.36 to 2.65 mg Kg-1e6

Not reportedComparator

Verbatim

e0

“the growth of squash with different saline water”

✓ located verbatim in the source · abstract, characters 179–227 · show in text ↑
e5

“The salinity of irrigation water caused differences in the concentration of nitrogen, phosphorus and potassium in the vegetative parts of the zucchini”

✓ located verbatim in the source · abstract, characters 993–1143 · show in text ↑
e6

“The concentration of nitrogen increased from 2.075 mg N kg-1 to 2.225 mg N kg-1 while the concentration of phosphorus decreased by increasing salinity levels from 0.38 to 0.28 mg P Kg-1 potassium concentration decreased from 3.36 to 2.65 mg Kg-1”

✓ located verbatim in the source · abstract, characters 1145–1390 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Humic acid spraying at 1.5 g L-1 increased vegetative nitrogen concentration by 1.11 mg kg-1 compared with the comparison treatment.

Taxon
squashe0
Organ / stage
vegetative partse7
Treatment
humic acid sprayinge7
Outcome
concentration of nitrogene7
Direction
increasede7
Value
1.11e7
Comparator
comparison treatmente7

Verbatim

e0

“the growth of squash with different saline water”

✓ located verbatim in the source · abstract, characters 179–227 · show in text ↑
e7

“The concentration of nitrogen, phosphorus and potassium increased in vegetative parts of the plant by increasing the levels of the humic acid spraying by 1.11, 0.29 and 2.48 mg kg -1 respectively on the spraying level 1.5 g L-1 compared to the comparison treatment 1.11, 0. 19 and 1.10 mg kg-1 respectively”

✓ located verbatim in the source · abstract, characters 1392–1698 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Humic acid spraying at 1.5 g L-1 increased vegetative phosphorus by 0.29 mg kg-1 compared with the comparison treatment (0.19 mg kg-1).

Taxon
squashe0
Organ / stage
vegetative partse7
Treatment
humic acid sprayinge7
Outcome
phosphoruse7
Direction
increasede7
Value
0.29e7
Qualifier
0. 19e7
Comparator
comparison treatmente7

Verbatim

e0

“the growth of squash with different saline water”

✓ located verbatim in the source · abstract, characters 179–227 · show in text ↑
e7

“The concentration of nitrogen, phosphorus and potassium increased in vegetative parts of the plant by increasing the levels of the humic acid spraying by 1.11, 0.29 and 2.48 mg kg -1 respectively on the spraying level 1.5 g L-1 compared to the comparison treatment 1.11, 0. 19 and 1.10 mg kg-1 respectively”

✓ located verbatim in the source · abstract, characters 1392–1698 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Humic acid spraying at 1.5 g L-1 increased vegetative potassium by 2.48 mg kg-1 compared with the comparison treatment (1.10 mg kg-1).

Taxon
squashe0
Organ / stage
vegetative partse7
Treatment
humic acid sprayinge7
Outcome
potassiume7
Direction
increasede7
Value
2.48e7
Qualifier
1.10e7
Comparator
comparison treatmente7

Verbatim

e0

“the growth of squash with different saline water”

✓ located verbatim in the source · abstract, characters 179–227 · show in text ↑
e7

“The concentration of nitrogen, phosphorus and potassium increased in vegetative parts of the plant by increasing the levels of the humic acid spraying by 1.11, 0.29 and 2.48 mg kg -1 respectively on the spraying level 1.5 g L-1 compared to the comparison treatment 1.11, 0. 19 and 1.10 mg kg-1 respectively”

✓ located verbatim in the source · abstract, characters 1392–1698 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Soil electrical conductivity after planting increased to 3.60 ds m-1 with increasing salinity of irrigation water, compared with 1.11 ds m-1 under fresh water.

Taxon
squashe0
Treatment
increasing the salinity of irrigation watere1
Outcome
electrical conductivity in the soile1
Direction
Increasee1
Value
3.60 ds m-1e1
Qualifier
1.11. ds m-1e1
Comparator
fresh watere1
Setting
after plantinge1

Verbatim

e0

“the growth of squash with different saline water”

✓ located verbatim in the source · abstract, characters 179–227 · show in text ↑
e1

“Increase the values of electrical conductivity in the soil after planting by increasing the salinity of irrigation water as it increased to 3.60 ds m-1 after it was 1.11. ds m-1 when irrigated with fresh water”

✓ located verbatim in the source · abstract, characters 1700–1909 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Humic acid spraying decreased soil electrical conductivity to 2.16 ds m-1 relative to the comparison.

Taxon
squashe0
Treatment
spraying of the humic acide2
Outcome
electrical conductivitye2
Direction
decreasee2
Value
2.16 ds.m-1e2
Comparator
comparisone2

Verbatim

e0

“the growth of squash with different saline water”

✓ located verbatim in the source · abstract, characters 179–227 · show in text ↑
e2

“the spraying of the humic acid caused the decrease in the values of the electrical conductivity as it decreased from 2.16 ds.m-1 when the comparison was compared to 2.16 ds.m-1 at the spraying level of 1.5 g L-1”

✓ located verbatim in the source · abstract, characters 1920–2131 · show in text ↑

application · growth · Cucurbita (pumpkins)Positive and negative results

22 papers: 20 positive, 2 negative or no effect

19 papers in the same direction as this paper · 2 in the opposite direction

  1. no effect
  2. negative
  3. positive

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application · yield · Cucurbita (pumpkins)Positive and negative results

23 papers: 22 positive, 1 negative or no effect

21 papers in the same direction as this paper · 1 in the opposite direction

  1. negative
  2. positive
  3. positive

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salinity · yield · Cucurbita (pumpkins)Results agree

3 papers: 0 positive, 3 negative or no effect

2 papers in the same direction as this paper

  1. negative
  2. negative
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other · growth · Cucurbita (pumpkins)Results agree

12 papers: 12 positive, 0 negative or no effect

11 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

8 papers more in this group

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salinity · growth · Cucurbita (pumpkins)Results agree

15 papers: 0 positive, 15 negative or no effect

14 papers in the same direction as this paper

  1. negative
  2. negative
  3. negative

11 papers more in this group

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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.