Real-time nitrogen management in aerobic rice by adopting leaf color chart (LCC) as influenced by silicon

Yogendra, N. D.; Kumara, B. H.; Chandrashekar, N.; Prakash, N. B.; Anantha, M. S.; Shashidhar, H. E.

doi:10.1080/01904167.2016.1263333

Cited by 11 publications

(6 citation statements)

References 19 publications

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“…According to [61]'s research on cucumber, silicon also improved the availability of macro and micronutrients, water use effectiveness, and the movement of assimilates from the source to the sink, which increased fruit weight, number of fruits, yield, and dry weight of fruit. The findings from productivity and its related parts closely match those from [62] in rice and [57] in tomato.…”

Section: Effect Of Silicon Fym and Inorganic Fertilizers On Yield Par...supporting

confidence: 81%

The Integrated Approach for Organic and Inorganic Sources of Nutrients to Enhance Performance of Cauliflower (Brassica oleracea var. botrytis L.) under Sub-Humid Climatic Conditions

et al. 2022

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To overcome the limitations of soil fertility and provide high crop output, soil fertility management, including the sensible use of mixes of organic and inorganic fertilizers, is a realistic approach. The strategy of integrated nutrient usage was used since there was a decrease in soil characteristics and crop productivity as a result of the overuse of chemical fertilizers. The present study was designed in 2019–2020 and 2020–2021 at the high-tech unit, Department of Horticulture, Udaipur to investigate the integrated use of FYM and inorganic fertilizers along with silicon on the development and output parameters of cauliflower (Brassica oleracea var. botrytis L.). The field experiment was carried out with fourteen treatments as a soil application under randomized block design. The results revealed that treatment T14 (50% recommended dose of nitrogen by FYM + 50% recommended dose of fertilizers + 100 kg Silicon/ha) showed maximum plant height at harvest (65.73 cm), number of leaves per plant (24.27), leaf area index (11.83), chlorophyll content at 50 days after transplanting (1.99 mg/g), stalk length (8.23 cm) and stem girth (7.41 cm), minimum number of days to curd initiation after transplanting (66.37), minimum number of days required for marketable curd maturity after transplanting (89.17), maximum plant weight (1154.74 g), diameter of curd (15.75 cm), curd yield (277.53 q/ha) and dry weight of curd (91.41 g) as compared to control. In the end, the results showed that the growth and yield of cauliflower were better when silicon, manure, and chemical fertilizers were used together.

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Section: Effect Of Silicon Fym and Inorganic Fertilizers On Yield Par...supporting

confidence: 81%

The Integrated Approach for Organic and Inorganic Sources of Nutrients to Enhance Performance of Cauliflower (Brassica oleracea var. botrytis L.) under Sub-Humid Climatic Conditions

et al. 2022

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“…Increase in available N status in soil caused by N and Si fertilization could be attributed to high adsorption capacity of Si and increased microbial activity, which accelerated the mineralization process during the crop growth period, resulting in a high N accumulation in Si-treated soils. Similarly, Yogendra et al (2017) found that using CaSiO 3 increased N-use efficiency in aerobic rice. In the current investigation, treatment receiving biochar increased SOC significantly, but available N did not follow the same trend, which could be attributed to a high C: N ratio in crop residue-derived biochar (RHB).…”

Section: Changes In Physicochemical Properties Of Soilmentioning

confidence: 89%

Production of phytolith and PhytOC and distribution of extractable Si Pools in aerobic rice as influenced by different Si sources

Anjum,

Prakash

2023

Front. Plant Sci.

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Phytoliths are composed of 66 to 91% SiO2 and 1 to 6% organic carbon (C) known as phytolith occluded carbon (PhytOC). PhytOC is critical for long-term C storage in the agroecosystem. A field experiment was carried out to investigate the effect of three different sources of exogenous Si, i.e., diatomaceous earth (DE), silicic acid (SA) and rice husk biochar (RHB) on 1) plant phytolith, C content in phytolith and PhytOC content in different rice organs; 2) relationship between plant phytolith, C content in phytolith, PhytOC content, and soil properties (soil physicochemical properties and readily soluble silicon pools). Different Si sources produced significantly higher phytolith, PhytOC content, and readily soluble Si pools (CCSi, AASi, and ASi) than the control (RDF), with treatment receiving 4 t RHB ha-1 outperforming the other treatments. Phytolith and PhytOC production were found to be significantly correlated to soil organic carbon (OC), available nitrogen (N) and potassium (K), 0.01 M CaCl2 extractable Si (CCSi) and amorphous Si (ASi) content in the soil. Redundancy analysis showed that treatments receiving 4 t RHB ha-1 have a stronger relationship with the CCSi and ASi which majorly contributed to the higher phytolith and PhytOC production. Thus, practices such as Si fertilizers and RHB application have a high potential for phytolith production and PhytOC sequestration, a critical mechanism of the global biogeochemical C sink.

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“…Slags such as caster slag and furnace slag could recorded relative yield higher than 70% which was significantly higher than that of Wollastonite (55.43%). Silicate slags are one of the widely used Si source and its beneficial effect to improve rice yield was reported from many countries like America 5,12,29 , Japan 30 , China 2,31 , Brazil 22,32 , South East Asian countries 33 like South Korea, Thailand, the Philippine, Vietnam, Malaysia as well as in India 4,14,28,[34][35][36] . In many studies, Wollastonite was used for comparison to the other materials since a linear relationship was noticed between its rate of application and Si uptake by crops 17,22 .…”

Section: Greenhouse Experimentsmentioning

confidence: 99%

Alkalinity–silicon ratio as an assessment factor for the efficiency of silicate slags in wetland rice

Sandhya

Prakash

2021

Sci Rep

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Silicate slags are one of the most widely used silicon (Si) source in agriculture. Even though the agronomic significance of slags has been demonstrated in several crops, only a few attempts were made to evaluate these Si sources based on their chemical composition. The main objective of this study was to characterize different silicate slags based on their chemical properties and to explore the effect of these chemical properties on the yield, and Si uptake in wetland rice, and dissolution of Si into the soil. Slags were characterised for pH, calcium and magnesium content (alkalinity, A), silicon content, 5 day Na2CO3 + NH4NO3 extractable Si content, and alkalinity to Si ratio (A/Si). Greenhouse and incubation experiments were also conducted using different silicate slags and wollastonite applied at the rate of 300 kg Si ha−1. Slags with A/Si < 3 were found to be ideal Si sources for the economic production of wetland rice and found consistent in increasing soil Si content and rice Si uptake. We conclude that the A/Si ratio of slags can be used as an important parameter to assess the agronomic efficiency of silicate slags in wetland rice.

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Real-time nitrogen management in aerobic rice by adopting leaf color chart (LCC) as influenced by silicon

Cited by 11 publications

References 19 publications

The Integrated Approach for Organic and Inorganic Sources of Nutrients to Enhance Performance of Cauliflower (Brassica oleracea var. botrytis L.) under Sub-Humid Climatic Conditions

The Integrated Approach for Organic and Inorganic Sources of Nutrients to Enhance Performance of Cauliflower (Brassica oleracea var. botrytis L.) under Sub-Humid Climatic Conditions

Production of phytolith and PhytOC and distribution of extractable Si Pools in aerobic rice as influenced by different Si sources

Alkalinity–silicon ratio as an assessment factor for the efficiency of silicate slags in wetland rice

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