Abstract
Application of silicon (Si) could greatly boost rice yield and mitigate abiotic stress, especially drought. A field experiment was conducted during 2015 at the research farm of Hong Duc University, Thanh Hoa City, Vietnam, to evaluate the effects of five different combined doses of standard fertilizer practice and Si fertilizer on growth, yield and yield components, as well as nutrient uptake of rice. The treatments consisted of the recommended dose of fertilizer (RDF, 110 kg/hm2 N + 90 kg/hm2 P2O5 + 80 kg/hm2 K2O) as the control, RDF + 100 kg/hm2 SiO2, RDF + 200 kg/hm2 SiO2, RDF + 300 kg/hm2 SiO2 and RDF + 400 kg/hm2 SiO2. The results showed that the growth, grain and straw yields as well as yield components (number of grains per panicle, seed-setting rate and 1000-grain weight) were significantly affected by Si application. The highest grain yield of 3 705 kg/hm2 was obtained with the highest level of Si fertilizer in combination with RDF (RDF + 400 kg/hm2 SiO2), however, it was statistically at par with the yields obtained with RDF + 300 kg/hm2 SiO2 (3 664 kg/hm2) and RDF + 200 kg/hm2 SiO2 (3 621 kg/hm2). The optimum dose of Si fertilizer with maximized grain yield (3 716 kg/hm2) was 329 kg/hm2 SiO2. The nutrient (Si, N, P and K) uptakes of rice were also significantly enhanced by Si application. Si application at the level of 329 kg/hm2 along with RDF would help in the sustainable production of rice in the tropical zone of Vietnam.
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Claims 5
Claim · model-written summary
Rice grain yield was highest (3 705 kg/hm2) with RDF + 400 kg/hm2 SiO2, statistically at par with RDF + 300 and RDF + 200 kg/hm2 SiO2.
- Taxon
- Rice
Oryza sativat0 - Treatment
- RDF + 400 kg/hm2 SiO2e1
- Outcome
- grain yielde1
- Direction
- higheste1
- Value
- 3 705 kg/hm2e1
- Comparator
- RDF + 300 kg/hm2 SiO2e1
- Setting
- research farm of Hong Duc University, Thanh Hoa City, Vietname0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Nutrient Uptake of Rice in Tropical Zone of Vietnam”
e0“A field experiment was conducted during 2015 at the research farm of Hong Duc University, Thanh Hoa City, Vietnam”
e1“The highest grain yield of 3 705 kg/hm2 was obtained with the highest level of Si fertilizer in combination with RDF (RDF + 400 kg/hm2 SiO2), however, it was statistically at par with the yields obtained with RDF + 300 kg/hm2 SiO2 (3 664 kg/hm2) and RDF + 200 kg/hm2 SiO2 (3 621 kg/hm2)”
Claim · model-written summary
Si application significantly affected rice growth, grain and straw yields and yield components.
- Taxon
- RiceOryza sativat0
- Treatment
- Si applicatione2
- Outcome
- growth, grain and straw yields as well as yield componentse2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Nutrient Uptake of Rice in Tropical Zone of Vietnam”
e2“The results showed that the growth, grain and straw yields as well as yield components (number of grains per panicle, seed-setting rate and 1000-grain weight) were significantly affected by Si application”
Claim · model-written summary
Si application significantly enhanced the uptake of Si, N, P and K by rice.
- Taxon
- RiceOryza sativat0
- Treatment
- Si applicatione3
- Outcome
- nutrient (Si, N, P and K) uptakese3
- Direction
- enhancede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Nutrient Uptake of Rice in Tropical Zone of Vietnam”
e3“The nutrient (Si, N, P and K) uptakes of rice were also significantly enhanced by Si application”
Claim · model-written summary
The optimum Si fertilizer dose for maximized rice grain yield (3 716 kg/hm2) was 329 kg/hm2 SiO2.
- Taxon
- RiceOryza sativat0
- Treatment
- Si fertilizere4
- Outcome
- grain yielde4
- Direction
- maximizede4
- Value
- 3 716 kg/hm2e4
- Qualifier
- 329 kg/hm2 SiO2e4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Nutrient Uptake of Rice in Tropical Zone of Vietnam”
e4“The optimum dose of Si fertilizer with maximized grain yield (3 716 kg/hm2) was 329 kg/hm2 SiO2”
Claim · model-written summary
Applying 329 kg/hm2 SiO2 along with RDF is expected to help sustainable rice production in the tropical zone of Vietnam.
- Taxon
- riceOryza sativae5
- Treatment
- Si application at the level of 329 kg/hm2 along with RDFe5
- Outcome
- sustainable production of ricee5
- Setting
- tropical zone of Vietname5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Si application at the level of 329 kg/hm2 along with RDF would help in the sustainable production of rice in the tropical zone of Vietnam”
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