Agricultural Science Digest

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Agricultural Science Digest, volume 21 issue 4 (december 2001) : 215 - 218

BALANCE SHEET OF NITROGEN AND PHOSPHORUS ON LOW AND HIGH UME SOILS UNDER SOIL AND FOLIAR APPUCATION OF NAND P TO SOYBEAN

H.N. Ravankar, V.A. Deshmukh, P.W. DeshmUkhq
1Department of Agricultural Chemistry and Soil Science, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola - 444104, India

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Cite article:- Ravankar H.N., Deshmukh V.A., DeshmUkhq P.W. (2024). BALANCE SHEET OF NITROGEN AND PHOSPHORUS ON LOW AND HIGH UME SOILS UNDER SOIL AND FOLIAR APPUCATION OF NAND P TO SOYBEAN. Agricultural Science Digest. 21(4): 215 - 218. doi: .

ABSTRACT

Field trials were conducted during kharif 1995–1996 on shallow black soils of low ( 19% CaCO 3) lime content with soybean. APP was applied through soil as well as aspray while whereas DAP as spray only. AH the treatments recorded gain in total N in both the type of soils during both the years which was relatively more in the low lime soil as compared to the high lime one. Further, the substantial gain in nitrogen in both type of the soils were recorded with recommended level of NP and 1/2 NP together with the APP spray and in most of the treatments final N status of the soil was improved. All the treatments indicated loss in the available P content of the soils. The high lime soil recorded relatively more P losses than the low lime soil. Most of the treatments also improved available P status of the soil after soyabean harvest which suggest, that the P through APP remains available for a longer period even in the calcareos soils.

KEYWORDS

    REFERENCES

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