Abstract
Abstract Sorghum ( Sorghum bicolor (L.)Moench) is a promising crop for the production of food, feed and bioethanol. Sorghum plants also can grow in different wide ranges of soil, and they can be ratooned. A field trial was conducted to study the response of different cultivars of sorghum ratoon-1 to dosages of N fertilization applied on first-planted sorghum plants. The experiment was done in Way lima, Pesawaran of Lampung Province, Indonesia, in 2020. Treatments were arranged factorially in a randomized block design with three replications. The first factor was sorghum genotypes, including Numbu, P/I WHP, GH-1, GH-6, Talaga Bodas, UPCA, Super-1, and Super-2, while the second factor was N fertilization levels consisting of 0, 75, 150, 225 and 300 kg Urea/ha. Sorghum was planted with a row spacing of 80x20 cm. Fertilizers used were urea, SP-36, KCl, and cattle manure. The fertilizers were applied on first-planted sorghum plants, so the ratoon-1 of sorghum plants was not fertilized. The result of the experiment indicated that sorghum genotypes responded differently to N fertilization. The highest grain yield was found at Talaga Bodas (32.75 g/plant), while the lowest grain yield was 23,96 g/panicle, found at the GH-6 genotype. The difference in sorghum grain yield was most likely due to different sizes and numbers of sorghum grains. On the other side, different levels of N fertilization did not show significant differences in sorghum ratoon-1.
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Claims 5
Claim · model-written summary
Sorghum genotypes responded differently to nitrogen fertilization.
SorghumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“sorghum genotypes responded differently to N fertilization”
Claim · model-written summary
Talaga Bodas had the highest grain yield, 32.75 g/plant.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest grain yield was found at Talaga Bodas (32.75 g/plant)”
t0“Sorghum Ratoon-1”
Claim · model-written summary
GH-6 had the lowest reported grain yield, 23,96 g/panicle.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the lowest grain yield was 23,96 g/panicle, found at the GH-6 genotype”
t0“Sorghum Ratoon-1”
Claim · model-written summary
Different grain sizes and numbers were proposed to explain yield differences.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The difference in sorghum grain yield was most likely due to different sizes and numbers of sorghum grains”
Claim · model-written summary
Nitrogen fertilization levels did not significantly differ for sorghum ratoon-1.
- Treatment
- different levels of N fertilizatione0
- Outcome
- sorghum ratoon-1e0
- Direction
- did not show significant differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“different levels of N fertilization did not show significant differences in sorghum ratoon-1”
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