Abstract
Field experiments were conducted on a Typic Hapludoll to evaluate the efficacy of different rates and frequency of Zinc (Zn) application on yield, zinc concentration and uptake of hybrid rice-wheat sequence. Zinc application significantly increased the grain yield, concentration in as well as uptake by both the crops. The concentration of Zn was more in wheat grain as compared to straw while the reverse was true for rice; however, total zinc removal by hybrid rice was more than twice as compared to wheat. Application of zinc sulphate significantly increased the DTPA-extractable Zn in soil but the effect decreased with subsequent crop removal. Evaluation of different rates and frequencies of Zn clearly indicated that application of 10 kg Zn ha−1 to rice in the first year and 5 kg Zn ha−1 to rice in the second year was most economical combination to sustain the productivity of hybrid rice-wheat sequence in the tarai region of Uttarakhand.
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Claims 9
Claim · model-written summary
Zinc application significantly increased grain yield in both rice and wheat.
- Taxon
- Rice – Wheat
Oryza sativa
Triticum aestivumt0 - Treatment
- Zinc applicatione0
- Outcome
- grain yielde0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Zinc application significantly increased the grain yield, concentration in as well as uptake by both the crops.”
t0“Hybrid Rice – Wheat Sequence”
Claim · model-written summary
Zinc application significantly increased zinc concentration in both crops.
- Taxon
- Rice – WheatOryza sativaTriticum aestivumt0
- Treatment
- Zinc applicatione0
- Outcome
- concentratione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Zinc application significantly increased the grain yield, concentration in as well as uptake by both the crops.”
t0“Hybrid Rice – Wheat Sequence”
Claim · model-written summary
Zinc application significantly increased zinc uptake in both crops.
- Taxon
- Rice – WheatOryza sativaTriticum aestivumt0
- Treatment
- Zinc applicatione0
- Outcome
- uptakee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Zinc application significantly increased the grain yield, concentration in as well as uptake by both the crops.”
t0“Hybrid Rice – Wheat Sequence”
Claim · model-written summary
Wheat grain had higher Zn concentration than wheat straw.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- graine0
- Outcome
- concentration of Zne0
- Direction
- moree0
- Comparator
- strawe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The concentration of Zn was more in wheat grain as compared to straw”
Claim · model-written summary
Rice straw had higher Zn concentration than rice grain.
- Taxon
- riceOryza sativae0
- Organ / stage
- strawe1
- Outcome
- concentration of Zne1
- Comparator
- graine1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“while the reverse was true for rice”
e1“The concentration of Zn was more in wheat grain as compared to straw”
t0“Hybrid Rice – Wheat Sequence”
Claim · model-written summary
Total zinc removal by hybrid rice exceeded twice that of wheat.
- Taxon
- hybrid riceOryza sativae0
- Outcome
- total zinc removale0
- Direction
- more than twicee0
- Value
- more than twicee0
- Comparator
- wheate0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“total zinc removal by hybrid rice was more than twice as compared to wheat”
Claim · model-written summary
Zinc sulphate significantly increased soil DTPA-extractable Zn.
- Taxon
- Rice – WheatOryza sativaTriticum aestivumt0
- Treatment
- zinc sulphatee0
- Outcome
- DTPA-extractable Zn in soile0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of zinc sulphate significantly increased the DTPA-extractable Zn in soil”
t0“Hybrid Rice – Wheat Sequence”
Claim · model-written summary
The soil Zn effect declined with subsequent crop removal.
- Taxon
- Rice – WheatOryza sativaTriticum aestivumt0
- Treatment
- zinc sulphatee2
- Outcome
- DTPA-extractable Zn in soile1
- Direction
- decreasede0
- Qualifier
- subsequent crop removale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the effect decreased with subsequent crop removal”
e1“DTPA-extractable Zn in soil”
t0“Hybrid Rice – Wheat Sequence”
e2“Application of zinc sulphate significantly increased the DTPA-extractable Zn in soil”
Claim · model-written summary
Applying 10 kg Zn ha−1 to rice in year one and 5 kg Zn ha−1 in year two was the most economical productivity-sustaining combination.
Verbatim
e0“application of 10 kg Zn ha−1 to rice in the first year and 5 kg Zn ha−1 to rice in the second year was most economical combination to sustain the productivity of hybrid rice-wheat sequence in the tarai region of Uttarakhand”
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See all 53 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.