Heat use efficiency of winter crops in Haryana

RAO, V.U.M.; Singh, Devi; Singh, Richa

doi:10.54386/jam.v1i2.343

Cited by 12 publications

(6 citation statements)

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“…It has been documented that under various crop growth conditions, winter crops are susceptible to temperature during the reproductive stage (Kalra, 2008) [6] . Heat unit concept was utilized to establish a correlation between phenological development and maturity dates in crops (Rao et al, 1999) [10] . Ram et al (2012) [11] reported higher GDD requirement for wheat crop for normal sowing conditions than the later growing conditions.…”

Section: Growing Degree Days (Gdd) For Wheatmentioning

confidence: 99%

Thermal indices in relation to crop phenology of wheat (Triticum aestivum L.) crop grown under agro-climatic conditions of Eastern Uttar Pradesh

Singh,

Mishra,

Singh

et al. 2024

Int. J. Res. Agron.

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Section: Growing Degree Days (Gdd) For Wheatmentioning

confidence: 99%

Thermal indices in relation to crop phenology of wheat (Triticum aestivum L.) crop grown under agro-climatic conditions of Eastern Uttar Pradesh

Singh,

Mishra,

Singh

et al. 2024

Int. J. Res. Agron.

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“…The total heat and radiant energy available to any crop is never completely converted to dry matter under even the most favourable agroclimatic conditions. Efficiency of conversion of heat and radiant energy in to dry matter depends upon genetic factors, sowing time and crop type (Rao et al, 1999). Total dry matter accumulation was found to be linearly related with the RUE in terms of biomass (Kar and Kumar, 2016).…”

mentioning

confidence: 94%

Growth performance and agrometeorological indices of rice under different establishment methods

KULDEEP KAUR,

GILL,

PRITPAL SINGH

et al. 2024

J. Agrometeorol.

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The field experiment was conducted to study the growth performance and agrometeorological indices of rice for cultivars i.e. PR 122, PR 126 and Pusa 44 grown under direct seeded rice (DSR) and puddled transplanted rice (PTR) conditions during kharif 2020 and 2021 at Punjab Agricultural University, Ludhiana. Results revealed that the accumulated growing degree days (AGDD), accumulated helio-thermal units (AHTU) and accumulated photo thermal units (APTU) were higher in PTR than DSR, while radiation use efficiency (RUE) was higher in DSR in terms of dry matter production and in terms of grain yield RUE was higher in PTR. Heat use efficiency (HUE) was also higher in DSR. AGDD, AHTU and APTU were also higher in Pusa 44, however, RUE and HUE were higher in PR 126 in terms of grain yield and dry matter. Among nitrogen levels, N3 (Leaf colour chart-based nitrogen application) gives at par yield with N1 (Recommended) and N2 (125 % of recommended). Optimum nitrogen level is helpful to get higher light interception rate and RUE while HUE was highest in N2 followed by N1 and N3.

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“…efficiency of heat in terms of dry matter accumulation is an important aspect, which has great practical application. Efficiency of conversion of heat energy into dry matter depends upon genetic factors, sowing time and crop type (Rao et al, 1999).It was observed that sunshine hours, day length, rainfall, mean temperature played a major role on the occurrence of emergence, rossete termination, branch initiation, bud initiation, flower initiation, 50% flowering, cessation of flowering and physiological maturity stages in Scarcity region of Maharashtra sown under different environments.…”

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confidence: 99%

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confidence: 99%

Phenophase Prediction Model for Safflower

Tagad¹,

Jadhav²,

Khadatare³

et al. 2022

JART

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Field experiments were conducted during 2017-18 and 2018-19 on clay loam soils at research farm of Dry Farming Research Station, Solapur, to study the influence of sowing time on phenology and growth of the safflower cultivars and to develop the phenophases prediction model based on the agro meteorological indices. The treatment consisted of three dates of sowing and two cultivars of safflower. The results showed that the safflower sown under early sown condition, safflower crop took more thermal time as compared to normal and late sown. The day length and bright sunshine hours also affected the occurrence of different phenophases of safflower cultivars, Accumulated thermal time (r=0.94) was best agro meteorological indices for prediction of flowering stage in safflower, while physiological maturity was predicted well by using helio thermal unit (HTU) (r=0.95). The heat use efficiency decreased with delay in sowing. The dry matter production (g/m2) was linearly related with accumulated heat units, HTU and photo thermal indices .

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Heat use efficiency of winter crops in Haryana

Cited by 12 publications

References 0 publications

Thermal indices in relation to crop phenology of wheat (Triticum aestivum L.) crop grown under agro-climatic conditions of Eastern Uttar Pradesh

Thermal indices in relation to crop phenology of wheat (Triticum aestivum L.) crop grown under agro-climatic conditions of Eastern Uttar Pradesh

Growth performance and agrometeorological indices of rice under different establishment methods

Phenophase Prediction Model for Safflower

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