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Tamil Nadu Agricultural University Coimbatore, INDIA

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PLANT –WATER STATUS, YIELD AND ECONOMICS OF SUNFLOWER AS INFLUENCED BY INSITU MOISTURE CONSERVATION METHODS AND INM PRACTICES IN RAINFED VERTISOLS

V.K. Paulpandi*, V. Ganesaraja, S. Sanbagavalli, M.P. Kavitha

Affiliations

¹Regional Research Station Tamil Nadu Agricultural University, Aruppukottai- 626 101, India

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Cite article:- Paulpandi* V.K., Ganesaraja V., Sanbagavalli S., Kavitha M.P. (2025). PLANT –WATER STATUS, YIELD AND ECONOMICS OF SUNFLOWER AS INFLUENCED BY INSITU MOISTURE CONSERVATION METHODS AND INM PRACTICES IN RAINFED VERTISOLS. Indian Journal of Agricultural Research. 43(4): 284 - 288. doi: .

ABSTRACT

Field experiments were conducted during rabi Season of 2001-02 and 2002-03 to
find out the effect of insitu moisture conservation and INM (Integrated Nutrient
Managemant) practices on plant-water status, yield and economics of sunflower in
rainfed vertisols. The experiments were laid out in split plot design with three
replications. Main plot consisted of three different insitu moisture conservation
methods, whereas in sub – plots integrated nutrient management practices were
taken. The experimental results revealed that sowing of sunflower on broad bed
and furrow in combination with application of 75% N through inorganic + 25% N
through CCP + Azophos + 0.2% boron spray registered higher values of RLWC and
transpiration rate with reduced leaf proline content, leaf temperature and stomatal
diffusive resistance and there by increased seed yield and economics of sunflower.
Flat bed method with application of CCP at 100% N substitution resulted poorest
performance and there by minimum yield.

KEYWORDS

REFERENCES

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