Abstract
Field experiment was conducted during the zaid season of 2022 in black gram crop (Var PU-31) at Agronomy research farm of School of Agricultural Sciences (SAS), Nagaland University, Medziphema Campus, Nagaland. The experiment was laid out in Randomized Block Design comprised of seven weed management treatments, viz. T1: Weedy check (Control), T2: Hand weeding at 20 and 40 DAS, T3: Cardboard mulching, T4: Paddy straw mulching @ 5 t ha-1, T5: Saw dust mulching @ 5 t ha-1, T6: Linseed stover mulching @ 5 t ha-1 and T7: Farmer’s practice and was replicated thrice. Weed flora observations showed that Ageratum conyzoides, Amaranthus viridis, Commelina bengalensis, Phyllanthus niruri and Mimosa pudica were dominant broad leaved weeds, Cyperus rotundus and Cyperus iria were dominant among sedges and Cynodon dactylon, Eleusine indica and Echinochloa colonum were dominant among grassy weeds in the blackgram field. The experimental results revealed that treatment with hand weeding at 20 and 40 DAS gave maximum decline in weed populations and weed dry weight which was at par with paddy straw mulching @ 5 t ha-1. Hence, hand weeding at 20 and 40 DAS recorded the highest weed control efficiency among all the treatments as well as it produced highest yield and was at par with paddy straw mulching @ 5 t ha-1. Paddy straw mulching @ 5 t ha-1 gave the highest B:C ratio (1.42) among all the treatments and thus was found to be most economically sound treatment of summer black gram among all.
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Claims 6
Claim · model-written summary
Several broadleaf weeds, sedges and grasses dominated the blackgram field.
- Taxon
- blackgram
Vigna mungoe0 - Interactor
- Ageratum conyzoides
Ageratum conyzoidese0weed - Outcome
- dominant broad leaved weedse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ageratum conyzoides, Amaranthus viridis, Commelina bengalensis, Phyllanthus niruri and Mimosa pudica were dominant broad leaved weeds, Cyperus rotundus and Cyperus iria were dominant among sedges and Cynodon dactylon, Eleusine indica and Echinochloa colonum were dominant among grassy weeds in the blackgram field”
Claim · model-written summary
Hand weeding at 20 and 40 DAS gave the greatest decline in weed populations, comparable to paddy straw mulching.
- Taxon
- BlackgramVigna mungot0
- Treatment
- hand weeding at 20 and 40 DASe0
- Outcome
- weed populations and weed dry weighte0
- Direction
- maximum declinee0
- Comparator
- paddy straw mulching @ 5 t ha-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Summer Blackgram”
e0“hand weeding at 20 and 40 DAS gave maximum decline in weed populations and weed dry weight which was at par with paddy straw mulching @ 5 t ha-1”
Claim · model-written summary
Hand weeding gave the highest weed control efficiency among treatments.
- Taxon
- BlackgramVigna mungot0
- Treatment
- hand weeding at 20 and 40 DASe0
- Outcome
- weed control efficiencye0
- Direction
- higheste0
- Comparator
- all the treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Summer Blackgram”
e0“hand weeding at 20 and 40 DAS recorded the highest weed control efficiency among all the treatments”
Claim · model-written summary
Hand weeding produced the highest yield, comparable to paddy straw mulching.
- Taxon
- BlackgramVigna mungot0
- Treatment
- hand weeding at 20 and 40 DASe0
- Outcome
- yielde0
- Direction
- higheste0
- Comparator
- paddy straw mulching @ 5 t ha-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Summer Blackgram”
e0“hand weeding at 20 and 40 DAS recorded the highest weed control efficiency among all the treatments as well as it produced highest yield and was at par with paddy straw mulching @ 5 t ha-1”
Claim · model-written summary
Paddy straw mulching gave the highest benefit to cost ratio, 1.42.
- Taxon
- BlackgramVigna mungot0
- Treatment
- Paddy straw mulching @ 5 t ha-1e0
- Outcome
- B:C ratioe0
- Direction
- higheste0
- Value
- 1.42e0
- Comparator
- all the treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Summer Blackgram”
e0“Paddy straw mulching @ 5 t ha-1 gave the highest B:C ratio (1.42) among all the treatments”
Claim · model-written summary
Paddy straw mulching was judged the most economical treatment.
- Taxon
- black gramVigna mungoe0
- Treatment
- Paddy straw mulching @ 5 t ha-1e0
- Outcome
- most economically sound treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Summer Blackgram”
e0“Paddy straw mulching @ 5 t ha-1 gave the highest B:C ratio (1.42) among all the treatments and thus was found to be most economically sound treatment of summer black gram among all”
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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.