Abstract
Cabbage is an important vegetable to humans since it provides crucial nutrients such as fiber, minerals, and vitamins. They also help manage cancer, cardiovascular diseases, prevent type 2 diabetes, and inflammation of the digestive systems. However, its production in the tropics is constrained by climatic and edaphic factors that include soil moisture stress, high soil and air temperatures, high evapotranspiration, and unbalanced nutrition. Due to the above challenges, sustainable cabbage production requires adoption of technologies that can modify the growth environment with minimal environmental effects. A field study was conducted at Pwani University Crop Science farm, Kilifi County, to evaluate the effects of black shade net on yield of Brassica rapa and Brassica oleracea. A randomized complete block design experiment with three replications was set. The treatments included: 50%, 70% black shade net intensity and open field as control. Data collected included, leaf chlorophyll content, fresh head weight, and dry matter weight. The data obtained was subjected to analysis of variance using General Linear Model (GLM) SAS Computer package version 9.1. The results indicated that, shading resulted in decreased chlorophyll content, and that use of 50% and 70% black net shading intensity significantly resulted in 55% and 47.5%, more number of cabbage heads for Brassica rapa than open field respectively, while in Brassica oleracea, 70% shading and 50% resulted in 60% and 52% more cabbage heads than open field respectively.
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Claims 5
Claim · model-written summary
Shading decreased leaf chlorophyll content of cabbage relative to open field.
- Taxon
- Cabbage
Brassica oleracea var. capitatae0 - Treatment
- shadinge1
- Outcome
- chlorophyll contente1
- Direction
- decreasede1
- Comparator
- open fielde2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cabbage is an important vegetable to humans”
e1“shading resulted in decreased chlorophyll content”
e2“The treatments included: 50%, 70% black shade net intensity and open field as control”
Claim · model-written summary
Black net shading at 50% significantly gave 55% more cabbage heads of Brassica rapa than open field.
- Taxon
- Brassica rapa
Brassica rapae3 - Treatment
- black net shading intensitye3
- Outcome
- number of cabbage headse3
- Direction
- moree3
- Value
- 55%e3
- Qualifier
- 50%e3
- Comparator
- open fielde3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“use of 50% and 70% black net shading intensity significantly resulted in 55% and 47.5%, more number of cabbage heads for Brassica rapa than open field respectively”
Claim · model-written summary
Black net shading at 70% significantly gave 47.5% more cabbage heads of Brassica rapa than open field.
- Taxon
- Brassica rapaBrassica rapae3
- Treatment
- black net shading intensitye3
- Outcome
- number of cabbage headse3
- Direction
- moree3
- Value
- 47.5%e3
- Qualifier
- 70%e3
- Comparator
- open fielde3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“use of 50% and 70% black net shading intensity significantly resulted in 55% and 47.5%, more number of cabbage heads for Brassica rapa than open field respectively”
Claim · model-written summary
Shading at 70% gave 60% more cabbage heads of Brassica oleracea than open field.
- Taxon
- Brassica oleracea
Brassica oleraceae4 - Treatment
- shadinge4
- Outcome
- cabbage headse4
- Direction
- moree4
- Value
- 60%e4
- Qualifier
- 70%e4
- Comparator
- open fielde4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“in Brassica oleracea, 70% shading and 50% resulted in 60% and 52% more cabbage heads than open field respectively”
Claim · model-written summary
Shading at 50% gave 52% more cabbage heads of Brassica oleracea than open field.
- Taxon
- Brassica oleraceaBrassica oleraceae4
- Treatment
- shadinge4
- Outcome
- cabbage headse4
- Direction
- moree4
- Value
- 52%e4
- Qualifier
- 50%e4
- Comparator
- open fielde4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“in Brassica oleracea, 70% shading and 50% resulted in 60% and 52% more cabbage heads than open field respectively”
The same questions in other papers
shade · physiology: pigments · Brassica oleracea (wild cabbage)Results differ
1 paper in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- negative
trap barrier · organism · Brassica rapa (field mustard)Positive and negative results
1 in the opposite direction
- negative
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.