Effect of fertilizer, manure and irrigation on nutrient availability in soil of boro rice field

Year 2019, Volume: 8 Issue: 4, 282 - 288, 01.10.2019

Md. Masfiqur RAHMAN Md. Asaduzzaman KHAN Alok Kumar PAUL Md. Ashraful HOQUE

https://doi.org/10.18393/ejss.580833

Abstract

The
experiment was conducted in the farm of Sher-e-Bangla Agricultural University,
Dhaka, Bangladesh to study the effect of various organic manures and inorganic fertilizers with different water
management on the nutrient availability of boro
rice field. BRRI dhan29 was used as the test crop in this
experiment. The experiment consists of 2 factors i.e. Irrigation and fertilizer
plus manure. Two levels of irrigations (I₁= Continuous flooding and
I₂= Saturated Condition) were used with 8 levels of fertilizer plus
manure, as T₀: Control, T₁: 100% ( N₁₂₀P₂₅K₆₀S₂₀Zn₂)
Recommended dose of Fertilizer, T₂: 50% NPKSZn + 5 ton cow-dung ha^-1,
T₃: 70% NPKSZn + 3 ton cow-dung ha^-1, T₄: 50%
NPKSZn + 5 ton compost ha^-1, T₅: 70% NPKSZn+3 ton compost
ha^-1, T₆: 50% NPKSZn + 3.5 ton poultry manure ha^-1
and T₇: 70% NPKSZn+2.1 ton poultry manure ha^-1, with 16
treatment combinations and 3 replications. The pore-water samples were
collected and analyzed during rice growing period. The higher concentrations of
N, P and K were found in the pore water of T₆ (50% NPKSZn + 3.5 ton
poultry manure ha^-1) and T₇ (70% NPKSZn + 2.1 ton poultry
manure ha^-1) treatments where higher yield were obtained. The higher
N, P, K & S concentrations and uptake were observed in the treatments where
fertilizer plus manure were applied. The highest concentrations of grain N
(1.31%), P (0.272%), K (0.195%) and S (0.091%) were recorded from T₅,
T₃, T₇ and T₂ treatment respectively and
lowest from T₀ (Control) treatment.

Keywords

Boro rice field, Effect of fertilizer, manure, irrigation, nutrient availability in soil

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