Abstract
In the years 20010-2011 the study was carried out which aimed to evaluate the level of weed infestation of sorghum cultivated in organic farming depending on natural fertilization (20 and 40 t composted manure per 1 ha) and cultivation method: A – control object (without weed control), B brush weeder (three times during the vegetation season), C weeding hoe (three times during the season), D brush weeder (two times during the season) and hiller. The study was conducted at the Institute of Soil Science and Plant Cultivation – Agricultural Experimental Station Grabow (Mazowieckie Voivodeship). The qualitative and quantitative analysis of weed infestation were done. Biomass ratio was also calculated and the relationship between sorghum yield and weed control at different cultivation method. The study showed that the largest weed infestation was on control objects whereas the mechanical cultivation of maize has contributed to significant reduction of number and weight of weeds. The smallest number of weeds was recorded on the object cultivated by brush weeder and hiller. This method of mechanic cultivation of sorghum allowed destruction of weeds mass by about 89%, which should be considered as an effective method of weed control in organic farming conditions. The dose of organic fertilization didn’t influence the number and composition of weed species.
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Claims 6
Claim · model-written summary
Sorghum without weed control had the largest weed infestation.
SorghumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A – control object (without weed control)”
e1“the largest weed infestation was on control objects”
t0“Weed infestation of sorghum cultivated in organic farming.”
Claim · model-written summary
Mechanical cultivation significantly reduced the number and weight of weeds in sorghum.
- Treatment
- mechanical cultivatione2
- Outcome
- number and weight of weedse2
- Direction
- significant reductione2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“the mechanical cultivation of maize has contributed to significant reduction of number and weight of weeds”
t0“Weed infestation of sorghum cultivated in organic farming.”
Claim · model-written summary
Brush weeder and hiller treatment recorded the smallest number of weeds in sorghum.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“The smallest number of weeds was recorded on the object cultivated by brush weeder and hiller”
t0“Weed infestation of sorghum cultivated in organic farming.”
Claim · model-written summary
Mechanic cultivation of sorghum destroyed about 89% of the weed mass.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“This method of mechanic cultivation of sorghum allowed destruction of weeds mass by about 89%”
t0“Weed infestation of sorghum cultivated in organic farming.”
Claim · model-written summary
Mechanical cultivation should be considered an effective method of weed control in organic sorghum farming.
- Outcome
- effective method of weed controle5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“which should be considered as an effective method of weed control in organic farming conditions”
t0“Weed infestation of sorghum cultivated in organic farming.”
Claim · model-written summary
Dose of organic fertilization did not influence the number and composition of weed species.
- Treatment
- dose of organic fertilizatione6
- Outcome
- number and composition of weed speciese6
- Direction
- didn’t influencee6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“The dose of organic fertilization didn’t influence the number and composition of weed species”
t0“Weed infestation of sorghum cultivated in organic farming.”
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