Abstract
The use of vermi-wash as organic source and potassium nutrients were investigated under this study. A field experiment was carried out during two successive summer seasons of 2017 and 2018 under open field conditions in Dokki experimental location, Agricultural Research Center, Giza Governorate, Egypt. The study aimed to evaluate the effect of applying different potassium rates 140, 280 and 420 kg K2O per hectare combined with spray vermi-wash for two, four, six times as well as spray water (control) on vegetative growth, yield of potato (Solanum tuberosum ‘Spunta’). The applications of potassium rates and vermi-wash sprays affected significantly the potato vegetative growth, total and marketable tuber yield as well as nutrient contents (N, P and K %) of potato leaves. Increasing potassium rate from 140 to 280 kg K2O per hectare enhanced total yield. Increasing potassium application to 420 kg K2O per hectare led to decrease the vegetative growth and productivity compared to 280 kg K2O per hectare. Regarding the vermi-wash spray applications, data revealed that two times spray of vermi-wash enhanced vegetative growth and productivity, while increasing spraying of vermi-wash to more than two times led to decrease of potato vegetative growth and productivity.
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Claims 8
Claim · model-written summary
Potassium rates significantly affected potato vegetative growth, total and marketable tuber yield under open field conditions.
- Taxon
- Potato
Solanum tuberosumt0 - Treatment
- potassium ratese1
- Outcome
- potato vegetative growth, total and marketable tuber yielde1
- Setting
- open field conditionse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato production by using different potassium rates and vermi-wash spray applications”
e0“A field experiment was carried out during two successive summer seasons of 2017 and 2018 under open field conditions”
e1“The applications of potassium rates and vermi-wash sprays affected significantly the potato vegetative growth, total and marketable tuber yield as well as nutrient contents (N, P and K %) of potato leaves”
Claim · model-written summary
Potassium rates significantly affected leaf nutrient contents (N, P and K %) of potato.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- potassium ratese1
- Outcome
- nutrient contents (N, P and K %) of potato leavese1
- Setting
- open field conditionse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato production by using different potassium rates and vermi-wash spray applications”
e0“A field experiment was carried out during two successive summer seasons of 2017 and 2018 under open field conditions”
e1“The applications of potassium rates and vermi-wash sprays affected significantly the potato vegetative growth, total and marketable tuber yield as well as nutrient contents (N, P and K %) of potato leaves”
Claim · model-written summary
Vermi-wash sprays significantly affected potato vegetative growth, total and marketable tuber yield under open field conditions.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- vermi-wash sprayse1
- Outcome
- potato vegetative growth, total and marketable tuber yielde1
- Setting
- open field conditionse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato production by using different potassium rates and vermi-wash spray applications”
e0“A field experiment was carried out during two successive summer seasons of 2017 and 2018 under open field conditions”
e1“The applications of potassium rates and vermi-wash sprays affected significantly the potato vegetative growth, total and marketable tuber yield as well as nutrient contents (N, P and K %) of potato leaves”
Claim · model-written summary
Vermi-wash sprays significantly affected leaf nutrient contents (N, P and K %) of potato.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- vermi-wash sprayse1
- Outcome
- nutrient contents (N, P and K %) of potato leavese1
- Setting
- open field conditionse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato production by using different potassium rates and vermi-wash spray applications”
e0“A field experiment was carried out during two successive summer seasons of 2017 and 2018 under open field conditions”
e1“The applications of potassium rates and vermi-wash sprays affected significantly the potato vegetative growth, total and marketable tuber yield as well as nutrient contents (N, P and K %) of potato leaves”
Claim · model-written summary
Increasing potassium rate from 140 to 280 kg K2O per hectare enhanced total yield.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- Increasing potassium rate from 140 to 280 kg K2O per hectaree2
- Outcome
- total yielde2
- Direction
- enhancede2
- Setting
- open field conditionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato production by using different potassium rates and vermi-wash spray applications”
e0“A field experiment was carried out during two successive summer seasons of 2017 and 2018 under open field conditions”
e2“Increasing potassium rate from 140 to 280 kg K2O per hectare enhanced total yield”
Claim · model-written summary
Increasing potassium to 420 kg K2O per hectare decreased vegetative growth and productivity compared with 280 kg K2O per hectare.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- Increasing potassium application to 420 kg K2O per hectaree3
- Outcome
- vegetative growth and productivitye3
- Direction
- decreasee3
- Comparator
- 280 kg K2O per hectaree3
- Setting
- open field conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato production by using different potassium rates and vermi-wash spray applications”
e0“A field experiment was carried out during two successive summer seasons of 2017 and 2018 under open field conditions”
e3“Increasing potassium application to 420 kg K2O per hectare led to decrease the vegetative growth and productivity compared to 280 kg K2O per hectare”
Claim · model-written summary
Two times spray of vermi-wash enhanced vegetative growth and productivity.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- two times spray of vermi-washe4
- Outcome
- vegetative growth and productivitye4
- Direction
- enhancede4
- Setting
- open field conditionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato production by using different potassium rates and vermi-wash spray applications”
e0“A field experiment was carried out during two successive summer seasons of 2017 and 2018 under open field conditions”
e4“two times spray of vermi-wash enhanced vegetative growth and productivity”
Claim · model-written summary
Spraying vermi-wash more than two times decreased vegetative growth and productivity.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- increasing spraying of vermi-wash to more than two timese5
- Outcome
- vegetative growth and productivitye5
- Direction
- decreasee5
- Comparator
- two timese5
- Setting
- open field conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato production by using different potassium rates and vermi-wash spray applications”
e0“A field experiment was carried out during two successive summer seasons of 2017 and 2018 under open field conditions”
e5“increasing spraying of vermi-wash to more than two times led to decrease of potato vegetative growth and productivity”
The same questions in other papers
potassium · yield · Solanum tuberosum (potato)Results differ
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- no effect
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See all 69 papers →application · yield · Solanum tuberosum (potato)Positive and negative results
176 papers in the same direction as this paper · 14 in the opposite direction
- no effect
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See all 191 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.