Abstract
The experiment was carried out in the years 2009-2010 in organic farm of Agricultural Experimental Station Grabow (mazowieckie Voivodeship), by crossed subblock method. Dose of natural fertilization (20 and 40 t composted manure per 1 ha) was the first factor and the second factor – cultivation method: A control object (without weed control), B brush weeder (three times during the vegetation season), C weeding hoe (three times during the vegetation season), D – brush weeder (two times during the vegetation season) and hiller. In the year with limited amount of rainfall in July and significantly more in August (2010), using of differentiated mechanical treatments for weed control had little influence on sorghum yielding. However, in the year with more amount of rainfall in July and significantly less in August (2011), the highest yields had been noted on the objects, where brush weeder (three times during the vegetation season) and brush weeder (two times during the season) and hiller on plants (with their 30 cm height) were used. The abandonment of mechanical cultivation independent on organic fertilization dose caused decreasing of dry matter sorghum yields from 17% to 40% in comparison to objects, where mechanic cultivation were used. Under conditions of limited amount of rainfall in July, yielding of sorghum fertilized by dose of 20 t per 1 ha were similar to those fertilized by dose of 40 t per 1 ha. However in the year with more amount of rainfall, higher dose of organic fertilization had favorable influence on yielding of dry matter, independently on treated mechanical cultivation. Content of dry matter in whole sorghum plants was little differentiated both organic fertilization and cultivation method. The less of dry matter content in plants fertilized by higher dose of compost independently on cultivation method had been noted in 2010 year.
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Claims 8
Claim · model-written summary
Mechanical weed control had little influence on sorghum yield in the year with limited July rainfall.
- Treatment
- differentiated mechanical treatments for weed controle0
- Interactor
- weede0weed
- Outcome
- sorghum yieldinge0
- Direction
- little influencee0
- Qualifier
- limited amount of rainfall in July and significantly more in August (2010)e0
SorghumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the year with limited amount of rainfall in July and significantly more in August (2010), using of differentiated mechanical treatments for weed control had little influence on sorghum yielding.”
Claim · model-written summary
Three brush-weeder passes produced the highest sorghum yields in the wetter-July year.
- Treatment
- brush weeder (three times during the vegetation season)e0
- Outcome
- yieldse0
- Direction
- higheste0
- Qualifier
- more amount of rainfall in July and significantly less in August (2011)e0
Not reportedInteractorComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, in the year with more amount of rainfall in July and significantly less in August (2011), the highest yields had been noted on the objects, where brush weeder (three times during the vegetation season) and brush weeder (two times during the season) and hiller on plants (with their 30 cm height) were used.”
t0“sorghum”
Claim · model-written summary
Two brush-weeder passes followed by hilling produced the highest sorghum yields in the wetter-July year.
- Treatment
- brush weeder (two times during the season) and hillere0
- Outcome
- yieldse0
- Direction
- higheste0
- Qualifier
- more amount of rainfall in July and significantly less in August (2011)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, in the year with more amount of rainfall in July and significantly less in August (2011), the highest yields had been noted on the objects, where brush weeder (three times during the vegetation season) and brush weeder (two times during the season) and hiller on plants (with their 30 cm height) were used.”
t0“sorghum”
Claim · model-written summary
Omitting mechanical cultivation reduced sorghum dry matter yields by 17% to 40% against mechanically cultivated plots.
- Treatment
- abandonment of mechanical cultivatione0
- Outcome
- dry matter sorghum yieldse0
- Direction
- decreasinge0
- Value
- 17% to 40%e0
- Comparator
- mechanic cultivatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The abandonment of mechanical cultivation independent on organic fertilization dose caused decreasing of dry matter sorghum yields from 17% to 40% in comparison to objects, where mechanic cultivation were used.”
Claim · model-written summary
Under limited July rainfall, sorghum yields were similar at 20 and 40 t per hectare fertilization doses.
- Treatment
- 20 t per 1 hae0
- Outcome
- yielding of sorghume0
- Direction
- similare0
- Qualifier
- limited amount of rainfall in Julye0
- Comparator
- 40 t per 1 hae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under conditions of limited amount of rainfall in July, yielding of sorghum fertilized by dose of 20 t per 1 ha were similar to those fertilized by dose of 40 t per 1 ha.”
Claim · model-written summary
With more rainfall, higher organic fertilization dose favored dry matter yield regardless of mechanical cultivation.
- Treatment
- higher dose of organic fertilizatione0
- Outcome
- yielding of dry mattere0
- Direction
- favorable influencee0
- Qualifier
- more amount of rainfalle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However in the year with more amount of rainfall, higher dose of organic fertilization had favorable influence on yielding of dry matter, independently on treated mechanical cultivation.”
t0“sorghum”
Claim · model-written summary
Organic fertilization and cultivation method differentiated whole-plant dry matter content only slightly.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Content of dry matter in whole sorghum plants was little differentiated both organic fertilization and cultivation method.”
Claim · model-written summary
In 2010, the higher compost dose lowered plant dry matter content regardless of cultivation method.
- Treatment
- higher dose of composte0
- Outcome
- dry matter content in plantse0
- Direction
- lesse0
- Qualifier
- 2010 yeare0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The less of dry matter content in plants fertilized by higher dose of compost independently on cultivation method had been noted in 2010 year.”
t0“sorghum”
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