Indian Journal of Agricultural Research

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Indian Journal of Agricultural Research, volume 42 issue 4 (december 2008) : 288-292

EVALUATION OF NPZn (10:50:1.5 Zn) COMPLEX FERTILIZER IN RICE WHEAT CROPPING SYSTEM

Ramkala1, R.R. Dahiya, S. S. Dahiya, Dalel Singh
1Rice Research Station, (CCS Haryana Agricultural University), Kaul (Kaithal)-136 021, India

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Cite article:- Ramkala1, Dahiya R.R., Dahiya S. S., Singh Dalel (2024). EVALUATION OF NPZn (10:50:1.5 Zn) COMPLEX FERTILIZER IN RICE WHEAT CROPPING SYSTEM. Indian Journal of Agricultural Research. 42(4): 288-292. doi: .

ABSTRACT

A field experiment was conducted during 2004-05 and 2005-06 on rice (HKR-47) and wheat
(WH-711) grown in the same field. Zinc was applied @ 1.8 and 5.0 kg ha-1 through ZnSO4 and NPZn
in kharif and rabi. Grain and straw yields of rice and wheat were maximum in 3.2 kg Zn through
ZnSO4 + 1.8 kg Zn through NPZn. Both crops responded significantly in terms of yield attributes,
number of tillers/hill and panicle weight. Phosphorus and zinc uptake in rice and wheat were found
highest and significantly higher over control when Zn was applied through NPZn complex fertilizer
and zinc sulphate combined. The effect of all the treatments was found non significant on N and K
content but significant on their uptake. Agronomic efficiency of zinc for total biomass and grain yield
of rice and wheat was found maximum where 5 kg Zn ha-1 was applied through both 1.8 kg
through NPZn and 3.2 kg through ZnSO4. Post harvest build-up of available N, P, K and Zn was
also observed.

KEYWORDS

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