Abstract
Among the production constraints weed infestation has been recognized as major one, resulting in about one third reduction in crop yields. Herbicides have become a popular choice amongst the farmers for managing weeds in almost all the crops. However with the increasing incidences of herbicide resistance, use of herbicides alternately or in mixtures has been recommended. Keeping this in mind the present experiment was conducted at the Experimental Farm of CSKHPKV, Rice and Wheat Research Centre, Malan during kharif seasons of 2015 and 2016 to evaluate the influence of weed management practices on nutrient uptake by weeds and crop in transplanted rice. Results of the study revealed that significantly highest uptake of all the three major nutrients (NPK) by rice was recorded with the application of penoxsulam + butachlor @ 717.5 g ha-1 though this treatment was at par with all other herbicide treatments except in treatment where butachlor was applied as well as weed free treatment while lowest uptake of all the major nutrients was recorded in weedy check plot. Nutrient uptake by the crop followed the trend of the grain yield. As for the nutrient uptake by weeds is concerned, significantly higher uptake of all the three nutrients was recorded from the weedy check while significantly lowest uptake was from weed free treatment. Amongst different herbicide treatments lowest uptake by weeds was recorded with penoxsulam + butachlor @ 717.5 g ha-1 though it was at par with all other herbicide treatments except butachlor @ 1500 g ha-1.
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Claims 5
Claim · model-written summary
Penoxsulam plus butachlor gave the highest NPK uptake by rice.
- Taxon
- rice
Oryza sativae0 - Treatment
- penoxsulam + butachlor @ 717.5 g ha-1e0
- Outcome
- uptake of all the three major nutrients (NPK) by ricee0
- Direction
- higheste0
- Setting
- Malant0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significantly highest uptake of all the three major nutrients (NPK) by rice was recorded with the application of penoxsulam + butachlor @ 717.5 g ha-1”
t0“Rice and Wheat Research Centre, Malan”
Claim · model-written summary
The treatment was at par with other herbicides except butachlor and with the weed free treatment.
- Taxon
- riceOryza sativat0
- Outcome
- at pare0
- Direction
- at pare0
- Comparator
- all other herbicide treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“this treatment was at par with all other herbicide treatments except in treatment where butachlor was applied as well as weed free treatment”
t0“in transplanted rice”
Claim · model-written summary
The weedy check had the lowest rice nutrient uptake.
- Taxon
- riceOryza sativat0
- Treatment
- weedy check plote0
- Outcome
- uptake of all the major nutrientse0
- Direction
- loweste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lowest uptake of all the major nutrients was recorded in weedy check plot.”
t0“in transplanted rice”
Claim · model-written summary
Rice nutrient uptake followed grain yield.
- Taxon
- riceOryza sativat0
- Outcome
- Nutrient uptake by the crope0
- Comparator
- grain yielde0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nutrient uptake by the crop followed the trend of the grain yield.”
t0“in transplanted rice”
Claim · model-written summary
Among herbicides, penoxsulam plus butachlor yielded the lowest weed nutrient uptake.
- Taxon
- riceOryza sativae1
- Treatment
- penoxsulam + butachlor @ 717.5 g ha-1e0
- Interactor
- weedse0weed
- Outcome
- uptake by weedse0
- Direction
- loweste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lowest uptake by weeds was recorded with penoxsulam + butachlor @ 717.5 g ha-1”
e1“in transplanted rice”
The same questions in other papers
butachlor · weed · Oryza sativa (rice)Results differ
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See all 80 papers →Penoxsulam · nutrient: content · Oryza sativa (rice)Results agree
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See all 5 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.