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Legume Research, volume 30 issue 4 (december 2007) : 271 - 274

RESPONSE OF COWPEA (VIGNA UNGUICULATA) TO PHOSPHOGYPSUM APPLICATION

Jeena Mathew, K.C. Manorama Thampatti

Affiliations

¹Department of Soil Science and Agricultural Chemistry, College of Agriculture, Vellayani, Thiruvananthapuram – 695522, India

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Cite article:- Mathew Jeena, Thampatti Manorama K.C. (2025). RESPONSE OF COWPEA (VIGNA UNGUICULATA) TO PHOSPHOGYPSUM APPLICATION. Legume Research. 30(4): 271 - 274. doi: .

ABSTRACT

Response of cowpea to Phosphogypsum, a by-product of phosphatic fertilizer industry was studied during of rabi season 2002 in Laterite soil (Typic Kandiudult). The field experiment was carried out with 8 treatments including absolute control, recommended package of practices (250 kg ha−1), lime/phosphogypsum @ full lime requirement (full LR) and half LR respectively and combination of both lime and phosphogypsum each at 1/2 and 1/4 LR respectively. Application of amendments either as lime or phosphogypsum has significant effect on yield and yield attributes of cowpea. Phosphogypsum @ full LR gave the highest grain yield (2311 kg ha−1) followed by the combination of lime and phosphogypsum each @ 1/4 LR which was on par with the former.

KEYWORDS

REFERENCES

Balasubramanian, A. and Ramamoorthy, K. (1995). Madras agric. J. 83: 524-525.
Beena, V.I. (2000). M.Sc (Ag) Thesis, Kerala Agricultural University, Thrissur, p.100.
Jacob, K.T. (1992). M.Sc. (Ag) Thesis, Kerala Agricultural University, Thrissur, p.99.
KAU, (1996). Package of Practices Recommendations ‘Crops’. Directorate of Extension, Kerala Agricultural University. Thrissur, p.267.
Misra, U.K. et al (1990). J. Indian Soc. Soil Sci. 38: 772-774.
Ram, H. and Dwivedi, K.N. (1992). Indian J. Agron. 37: 112-114.
Sumner, M.E. (1970). Proc. S. Afr. Sugar Technol. Assoc. 44: 197-203.

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RESPONSE OF COWPEA (VIGNA UNGUICULATA) TO PHOSPHOGYPSUM APPLICATION

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