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Performance of Leili Complex Micronutrients as a Foliar Spray Fertilizer on the Growth and Yield of Wetland Rice

Md. Abdul Mazid Miah
Principal Scientific Officer
Soil Science Division, BRRI

Abstract/ Executive Summary:

Application of LCM alone did not significantly increase the tiller and panicle production than the absolute control. STB alone or in combination with LCM produced higher number of tillers and panicles than those of control and LCM alone. It may be concluded that the LCM had no beneficial effect on wetland rice production. However application of LCM in combination with chemical fertilizer on STB slightly increased the grain yield, but this increment was not statistically significant. From the economic point of view, application of LCM in combination with chemical fertilizer on STB may be considered as economically viable in terms of gross and net return.

Keywords: Leili Complex Micronutrient, STB, Rice production

Location: BRRI farm, Gazipur

Start Date: 30-11-2002

End Date: 31-06-2003

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer

Objectives:

To evaluate the performance of Leili Complex Micronutrients on the growth and yield of wetland rice

Methodology:

The study was conducted at BRRI farm Gazipur (AEZ 28; Land type- Medium High land) in T. Boro 2002-03 with six treatments viz. T₁ = absolute control, T₂ = Leili Complex micronutrient (LCM)@ 1 liter/ha, T₃ = STB, T₄ = T₂ + STB, T₅ = T₂ + 66% STB, T₆= T₂ + 33 % STB. The soil of the experimental field was clay loam in texture with pH 6.2, total N 0.11%, available P 9.3 ppm, exchangeable K 0.16 meq/100 g soil, available S, 5.6 ppm and available Zn was 3.13 ppm. The experiment was laid out in RCB design with 3 replications having unit plot size of 4m x 3m. BRRI dhan29 was used as test crop. LCM was sprayed at every 20 days interval after transplanting. The control plot was sprayed with fresh water. Urea was applied in three splits as 34% at basal, 33% at 25 DAT and rest 33% at 5-7 days before PI stage. At maturity the crop was harvested manually from 5 m² area at 15 cm above ground. However, 16 hills from each plot were harvested at ground level for straw yield data. Grain yield was recorded at 14% moisture content and straw yield as oven dry basis.

Source of Information: Proceedings of the BRRI Annual Internal Review, 2002-2003

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It may be concluded that the LCM had no beneficial effect on wetland rice production. However application of LCM in combination with chemical fertilizer on STB slightly increased the grain yield, but this increment was not statistically significant. From the economic point of view, application of LCM in combination with chemical fertilizer on STB may be considered as economically viable in terms of gross and net return.

Knowledge Management: Report/Proceedings