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Effect of Integrated or Alone Use of Inorganic, Organic and Inoculum Sources on Wheat (triticum Aestivum L)

M.B. Hossain
Soil Science Division, Bangladesh Institute of Nuclear Agriculture (BINA), Bangladesh Agricultural University campus, Mymensingh 2200, Bangladesh

M.A. Sattar
Soil Science Division, Bangladesh Institute of Nuclear Agriculture (BINA), Bangladesh Agricultural University campus, Mymensingh 2200, Bangladesh

Abstract/ Executive Summary:

Field experiments were conducted at Ishurdi and Rajshahi to evaluate the response of inorganic, organic and inoculum alone or integrated use of these sources on wheat. Treatment combinations were mineral fertilizer (M), cowdung (CD), phosphate solubilizing bacteria (PSB), CD + PSB, PSB + M, PSB + CD and PSB + CD + M including control. The trials were laid out in a randomized block design using three replications. Growth and yield performance of wheat was better in Ishurdi than Rajshahi location except for tiller per hill, 1000 seed weight and straw yield of wheat. PSB+CD+M fertilizer treated plots performed better growth of wheat than other treatments. Among the single fertilizer treatments, mineral fertilizer performed better results than CD and PSB except for tiller per hill and filled grain per ear. Integrated use of PSB + CD + M found the maximum grain and straw yield of wheat. Spike length, number of tillers per hill and filled grain per ear showed positive and significant correlation with grain yield of wheat. As a result, grain yield was increased with the increase of yield contributing parameters of wheat. From these results, it may be concluded that organic fertilizer in combination with inoculum increased the use efficiency of mineral fertilizer during crop production at Ishurdi.

Keywords: Wheat, Cowdung, Mineral fertilizer, Pseudomonas sp, Yield.

Location: Ishurdi and Rajshahi, Bangladesh

Start Date: 00-11-2013

End Date: 00-04-2013

Program Area: Crop-Soil-Water Management

Commodity: Wheat

Objectives:

1. To evaluate the performance of inoculant along with cowdung and mineral fertilizer on growth and yield of wheat.

Methodology:

Field experiments were conducted at Ishurdi and Rajshahi, Bangladesh to evaluate the response of inorganic, organic and inoculum alone or integrated use of these sources on yield and yield contributing traits of wheat. Soil samples were randomly collected at 0 – 15 cm depth during the time of land preparation from several spots of the experimental sites and composited it. Soil samples were air dried and passed through a 2 mm sieve for analyzing some important physicochemical properties. Initial soil characteristics results are presented. The experimental treatments comprised of two locations (Ishurdi and Rajshahi) and eight fertilizer applications M (mineral fertilizers), M + CD (cowdung), CD, PSB (phosphate solubilizing bacteria: Pseudomonas sp), PSB + M, PSB + CD, PSB + CD + M including control. The trials were laid out in randomized block design using three replications having unit plot size of 4 m x 3 m=12m² and wheat was the test crop. One third of 90 kg N ha^-1 as urea, 42 kg K₂O ha^-1 as muriate of potash, 20 kg P ha^-1 as triple super phosphate and 10 kg S ha^-1 as gypsum as per treatment were applied at the time of final land preparation. Cowdung (5.0 t ha^-1) also was applied at the time of final land preparation. All the above mentioned inorganic and organic fertilizers were mixed well with the soil by spading before sowing of seed. PSB application with seed coating at 7.5 kg ha^-1 of peat based carrier having a bacterial load of 108 cells per gram. The rest 60 kg N as urea was applied in two splits at maximum vegetative phase and panicle initiation stage of wheat. Cultural practices were done whenever necessary. At harvesting stage, 10 plants were randomly selected and harvested from each unit plot to record yield contributing traits, grain and straw yield of wheat. Harvest index was calculated by using the following formula: Harvest index = [{(Grain yield) ÷ (Biological yield)}× 100]. Data were statistically analyzed and Duncan’s Multiple Range was applied to examine the significant differences between the treatment means.

Source of Information: J. Agrofor. Environ. 8 (1): 47-50, 2014; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Growth and yield performance of wheat was better in Ishurdi than Rajshahi location except for tiller per hill, 1000 seed weight and straw yield of wheat. PSB+CD+M fertilizer treated plots performed better growth of wheat than other treatments. Among the single fertilizer treatments, mineral fertilizer performed better results than CD and PSB except for tiller per hill and filled grain per ear. Integrated use of PSB + CD + M found the maximum grain and straw yield of wheat. Spike length, number of tillers per hill and filled grain per ear showed positive and significant correlation with grain yield of wheat. As a result, grain yield was increased with the increase of yield contributing parameters of wheat. From these results, it may be concluded that organic fertilizer in combination with inoculum increased the use efficiency of mineral fertilizer during crop production at Ishurdi.

Knowledge Management: Journal