Abstract
Balanced fertilizer uses in food grain crops including rice is one of the important considerations in providing food security to the burgeoning population and promoting soil quality in sustainable intensive agriculture. Wide spread negative nutrient balance in different production system can be overcome by adopting integrated nutrient management. Field experiments were conducted in farmers holding belonging to Padugai series (Typic Ustifluvents) to investigate the response of rice to balanced fertilization. The treatments employed in the study were T 1 ) Control T 2 ) Farmer's practice (125, 62.5, 62.5 kg N, P 2 O 5 , K 2 O), T 3 ) 100% NPKS Zn (120: 38: 38: 20: 5 kg N, P 2 O 5 , K 2 O, S and Zn -kharif and 150: 50: 50: 20: 5 kg N, P 2 O 5 , K 2 O, S and Zn -rabi), T 4 ) T 3 minus N, T 5 ) T 3 minus P, T 6 ) T 3 minus K, T 7 ) T 3 minus PK, T 8 ) T 3 minus S, T 9 ) T 3 minus Zn, T 10 ) T 3 minus S Zn, T 11 ) 75% NPK + S + Zn + PM @ 4 t ha -1 and T 12 ) 50% NPK + S + Zn + PM @ 4 t ha -1 . The test crop was rice with variety ADT 43 (Kharif) and BPT 5204 (Rabi). The experiment was conducted in RBD design with three replications. The highlight of the outcome was All the treatment caused a significant increase in growth and yield over control. The tallest plant, highest tiller count, LAI, chlorophyll content was observed with treatment involving 75% NPK + S + Zn + PM @4tha -1 and was closely followed by 100% NPKS Zn and 50% NPK + S + Zn + PM @ 4 t ha -1 . The highest grain yield (5650, 6080 kg ha -1 ), straw yield (6910, 7418 kg ha -1 ), highest grain yield response (2905, 2925 kg ha -1 ), percent increase in grain (105.8, 116.9) and straw (108. 114.1) in kharif and rabi respectively was realised in 75% NPK + S + Zn + PM @ 4 t ha -1 . There was perceptible reduction in growth and yield of rice, where there was omission of single or two nutrients in the fertilizer schedule. To conclude, balanced fertilization with INM strategy not only maximizes the rice yield but also maintains soil health and nutrient savings.
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Claims 8
Claim · model-written summary
All fertilizer treatments significantly increased rice growth and yield over control.
- Taxon
- rice
Oryza sativat0 - Treatment
- All the treatmente0
- Outcome
- growth and yielde0
- Direction
- increasee0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All the treatment caused a significant increase in growth and yield over control”
t0“RICE”
Claim · model-written summary
The 75% NPK plus S, Zn and PM treatment gave the highest height, tiller count, LAI and chlorophyll content.
- Taxon
- RICEOryza sativat0
- Treatment
- 75% NPK + S + Zn + PM @4tha -1e0
- Outcome
- tallest plant, highest tiller count, LAI, chlorophyll contente0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The tallest plant, highest tiller count, LAI, chlorophyll content was observed with treatment involving 75% NPK + S + Zn + PM @4tha -1”
t0“RICE”
Claim · model-written summary
The 100% NPKS Zn and 50% NPK plus S, Zn and PM treatments closely followed the top treatment on growth measures.
- Taxon
- RICEOryza sativat0
- Treatment
- 100% NPKS Zn and 50% NPK + S + Zn + PM @ 4 t ha -1e0
- Outcome
- closely followede0
- Direction
- closely followede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“was closely followed by 100% NPKS Zn and 50% NPK + S + Zn + PM @ 4 t ha -1”
t0“RICE”
Claim · model-written summary
The 75% NPK plus S, Zn and PM treatment gave the highest grain yield of 5650 and 6080 kg ha -1 in kharif and rabi.
- Taxon
- RICEOryza sativat0
- Treatment
- 75% NPK + S + Zn + PM @ 4 t ha -1e1
- Outcome
- grain yielde0
- Direction
- higheste0
- Value
- 5650, 6080 kg ha -1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest grain yield (5650, 6080 kg ha -1 )”
e1“realised in 75% NPK + S + Zn + PM @ 4 t ha -1”
t0“RICE”
Claim · model-written summary
The top treatment gave straw yield of 6910 and 7418 kg ha -1.
- Taxon
- RICEOryza sativat0
- Treatment
- 75% NPK + S + Zn + PM @ 4 t ha -1e1
- Outcome
- straw yielde0
- Value
- 6910, 7418 kg ha -1e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“straw yield (6910, 7418 kg ha -1 )”
e1“realised in 75% NPK + S + Zn + PM @ 4 t ha -1”
t0“RICE”
Claim · model-written summary
The top treatment gave grain yield responses of 2905 and 2925 kg ha -1.
- Taxon
- RICEOryza sativat0
- Treatment
- 75% NPK + S + Zn + PM @ 4 t ha -1e1
- Outcome
- grain yield responsee0
- Direction
- higheste0
- Value
- 2905, 2925 kg ha -1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest grain yield response (2905, 2925 kg ha -1 )”
e1“realised in 75% NPK + S + Zn + PM @ 4 t ha -1”
t0“RICE”
Claim · model-written summary
Omitting one or two fertilizer nutrients reduced rice growth and yield.
- Taxon
- riceOryza sativae0
- Treatment
- omission of single or two nutrientse0
- Outcome
- growth and yielde0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was perceptible reduction in growth and yield of rice, where there was omission of single or two nutrients in the fertilizer schedule”
Claim · model-written summary
The authors conclude that balanced fertilization with INM maximizes rice yield while maintaining soil health and saving nutrients.
- Taxon
- riceOryza sativae0
- Outcome
- maximizes the rice yield but also maintains soil health and nutrient savingse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“balanced fertilization with INM strategy not only maximizes the rice yield but also maintains soil health and nutrient savings”
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