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Current IssueEditorial BoardOnline First ArticlesArchive

volume 38 issue 3 (september 2004) : 184 - 189

FORMS OF PHOSPHORUS UNDER LONG TERM FERTIUZATION TO SORGHUM-WHEATSEQUENCE ON VERTISOLS AND THEIR RELATIONSHIP WITH YIELD

H
H.N. Ravankar
V
Vijaya Bhagwat
P
P.A. Sarap
1Department of Agricultural Chemistry and Soil Science. Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola - 444 104, India

  • Submitted|

  • First Online |

  • doi

Cite article:- Ravankar H.N., Bhagwat Vijaya, Sarap P.A. (2025). FORMS OF PHOSPHORUS UNDER LONG TERM FERTIUZATION TO SORGHUM-WHEATSEQUENCE ON VERTISOLS AND THEIR RELATIONSHIP WITH YIELD. Indian Journal of Agricultural Research. 38(3): 184 - 189. doi: .

ABSTRACT

The present investigation (2000–2001) was carried out during 13 cyde of Long Term Fertilizer Experiment started since 1988. There were 14 treatments replicated 4 times in RBD, comprised of NPK levels with and without FYM. Sulphur and Zinc. The results of the present study revealed that all the fractions of P evaluated (Sal. P, A1-P, Fe-P, Ca-P, R-S-P, Occl-P, IO-P and D-p) showed an appreciable P built up under 150% NPK and 100% NPK + 10 t FYM ha −1. The relative abundance of native P fractions in soil followed the order Ca-P > A1-P > R-S-P > Fe-P > Ocol-P > Saloid P. Results revealed that, there was significant increase in organic carbon, total N and available P to the extent of 76%, 25% and 80% respectively, than at the start of the experiment because of long term manuring and fertilization. Highest yield of grain and fodder/straw of sorghum and wheat were found in a plot receiving 100% NPK + 10 t FYM ha −1 followed by 150% NPK. Available P showed highly significant correlation with total P. Similarly IO-P, O-P, total P, Available P, Sal-P are highly significantly correlated with yield of crops.

KEYWORDS

    REFERENCES

    1. Chang. S.c. and Jackson. M.L. (1958). J. Soil Sci., 9: 109-119.
    2. Dash. R.N. et al. (1990). J. Indian Soc. Soil Sci.. 38: 613-620.
    3. Dean. L.A. (1938). J. Agric. Sci., 28: 234-246.
    4. Eglestad. a.p. (1985). Fertilizer Technology and Use. Soil Sci. Soc. America. Inc. Madison. 633p.
    5. Gupta. A.P. et al. (1985). Soil Sci.. 139(1): 47-51.
    6. Peterson. GW. and Corey. R.B. (1966). Proc. Soil Sci. Soc. Am., 30: 563.
    7. Prasad. S.N. et al. (1986). J. Indian Soc. Soil Sci.. 34: 297-301.
    8. Ravankar. H.N. et al. (1998). In: Report All India Coordinated Research Project on Long Term Fertilizer Experiments.
    9. Indian Institute of Soil Science. Nabibagh. Berasia Road. Bhopal (Swarup. Reddy and Prasad Eels.) : 292-297.
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    Indian Journal of Agricultural Research
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      volume 38 issue 3 (september 2004) : 184 - 189

      FORMS OF PHOSPHORUS UNDER LONG TERM FERTIUZATION TO SORGHUM-WHEATSEQUENCE ON VERTISOLS AND THEIR RELATIONSHIP WITH YIELD

      H
      H.N. Ravankar
      V
      Vijaya Bhagwat
      P
      P.A. Sarap
      1Department of Agricultural Chemistry and Soil Science. Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola - 444 104, India

      • Submitted|

      • First Online |

      • doi

      Cite article:- Ravankar H.N., Bhagwat Vijaya, Sarap P.A. (2025). FORMS OF PHOSPHORUS UNDER LONG TERM FERTIUZATION TO SORGHUM-WHEATSEQUENCE ON VERTISOLS AND THEIR RELATIONSHIP WITH YIELD. Indian Journal of Agricultural Research. 38(3): 184 - 189. doi: .

      ABSTRACT

      The present investigation (2000–2001) was carried out during 13 cyde of Long Term Fertilizer Experiment started since 1988. There were 14 treatments replicated 4 times in RBD, comprised of NPK levels with and without FYM. Sulphur and Zinc. The results of the present study revealed that all the fractions of P evaluated (Sal. P, A1-P, Fe-P, Ca-P, R-S-P, Occl-P, IO-P and D-p) showed an appreciable P built up under 150% NPK and 100% NPK + 10 t FYM ha −1. The relative abundance of native P fractions in soil followed the order Ca-P > A1-P > R-S-P > Fe-P > Ocol-P > Saloid P. Results revealed that, there was significant increase in organic carbon, total N and available P to the extent of 76%, 25% and 80% respectively, than at the start of the experiment because of long term manuring and fertilization. Highest yield of grain and fodder/straw of sorghum and wheat were found in a plot receiving 100% NPK + 10 t FYM ha −1 followed by 150% NPK. Available P showed highly significant correlation with total P. Similarly IO-P, O-P, total P, Available P, Sal-P are highly significantly correlated with yield of crops.

      KEYWORDS

        REFERENCES

        1. Chang. S.c. and Jackson. M.L. (1958). J. Soil Sci., 9: 109-119.
        2. Dash. R.N. et al. (1990). J. Indian Soc. Soil Sci.. 38: 613-620.
        3. Dean. L.A. (1938). J. Agric. Sci., 28: 234-246.
        4. Eglestad. a.p. (1985). Fertilizer Technology and Use. Soil Sci. Soc. America. Inc. Madison. 633p.
        5. Gupta. A.P. et al. (1985). Soil Sci.. 139(1): 47-51.
        6. Peterson. GW. and Corey. R.B. (1966). Proc. Soil Sci. Soc. Am., 30: 563.
        7. Prasad. S.N. et al. (1986). J. Indian Soc. Soil Sci.. 34: 297-301.
        8. Ravankar. H.N. et al. (1998). In: Report All India Coordinated Research Project on Long Term Fertilizer Experiments.
        9. Indian Institute of Soil Science. Nabibagh. Berasia Road. Bhopal (Swarup. Reddy and Prasad Eels.) : 292-297.
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