Abstract
Vermicompost can play an effective role in plant growth and development and also in reducing harmful effects of various environmental stresses on plants due to its porous structure, high water storage capacity, having hormone-like substances and plant growth regulators and also high levels of macro and micro nutrients. The aim of this study was to investigate the effects of vermicompost and salinity interactions on some morphological and physiological features and concentration of mineral elements of bean (Phaseolus vulgaris L. cv. Light Red Kidney) cultivar. A factorial experimental with five different volumetric ratios of vermicompost and sand, including to: 0:100; 10:90; 25:75; 50:50 and 75:25 and four levels of salinity [20, 40, 60 and 80 mmol l−1 sodium chloride (NaCl)], and control was conducted base on Randomized Complete Block Design with three replications. Bean seeds were sowed in plastic pots, the seedlings being sampled 42 days old (flowering stage).The results showed that vermicompost had significant effect on all studied traits under stress and non-stress (p ≤ 0.05).In this experiment, the vermicompost significantly increased the photosynthetic rate and concentrations of potassium (K+) and calcium (Ca2)+in leaf and root tissues. In salinity levels of 20, 40 and 60 mmol l−1NaCl, all subjected ratios of vermicompost and in 80 mmol l−1NaCl the ratios of 10% and 75% vermicompost, significantly ameliorated negative effects of salinity. In both stress and non-stress conditions, using 10% volume of vermicompost is recommended to improve the growth of bean plants.
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Claims 6
Claim · model-written summary
Vermicompost significantly affected all studied traits under stress and non-stress conditions.
Not reportedComparatorDirection
Verbatim
e0“vermicompost had significant effect on all studied traits under stress and non-stress (p ≤ 0.05).”
t0“bean”
Claim · model-written summary
Vermicompost significantly increased photosynthetic rate.
Not reportedComparator
Verbatim
e0“vermicompost significantly increased the photosynthetic rate”
t0“bean”
Claim · model-written summary
Vermicompost significantly increased potassium and calcium concentrations in leaf and root tissue.
- Taxon
- beant0
- Treatment
- vermicomposte0
- Outcome
- concentrations of potassium (K+) and calcium (Ca2)+in leaf and root tissuese0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“vermicompost significantly increased the photosynthetic rate and concentrations of potassium (K+) and calcium (Ca2)+in leaf and root tissues.”
t0“bean”
Claim · model-written summary
All vermicompost ratios significantly ameliorated salinity effects at 20, 40, and 60 mmol l−1 NaCl.
- Taxon
- beant0
- Treatment
- all subjected ratios of vermicomposte0
- Outcome
- negative effects of salinitye0
- Direction
- amelioratede0
- Qualifier
- salinity levels of 20, 40 and 60 mmol l−1NaCle0
Not reportedComparator
Verbatim
e0“In salinity levels of 20, 40 and 60 mmol l−1NaCl, all subjected ratios of vermicompost and in 80 mmol l−1NaCl the ratios of 10% and 75% vermicompost, significantly ameliorated negative effects of salinity.”
t0“bean”
Claim · model-written summary
At 80 mmol l−1 NaCl, 10% and 75% vermicompost significantly ameliorated salinity effects.
- Taxon
- beant0
- Treatment
- ratios of 10% and 75% vermicomposte0
- Outcome
- negative effects of salinitye0
- Direction
- amelioratede0
- Qualifier
- 80 mmol l−1NaCle0
Not reportedComparator
Verbatim
e0“in 80 mmol l−1NaCl the ratios of 10% and 75% vermicompost, significantly ameliorated negative effects of salinity.”
t0“bean”
Claim · model-written summary
The authors recommend 10% vermicompost to improve bean growth under stress and non-stress conditions.
Verbatim
e0“In both stress and non-stress conditions, using 10% volume of vermicompost is recommended to improve the growth of bean plants.”
The same questions in other papers
fertilization · physiology: photosynthesis · Phaseolus vulgaris (common bean)Positive and negative results
11 papers in the same direction as this paper · 2 in the opposite direction
- negative
- no effect
- positive
10 papers more in this group
See all 14 papers →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.