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Effect of Mulching Material on the Yield and Quality of Potato Varieties Under No Tillage Condition of Ganges Tidal Flood Plain Soil

M. A. Razzaque
Regional Agricultural Research Station, Bangladesh Agricultural Research Institute, Rahmatpur, Barisal

M. A. Ali
Soil Resource Development Institute Farmgate, Dhaka

Abstract/ Executive Summary:

The field experiment was carried out during rabi season of 1999-2000 to 2000-2001 with five recommended potato varieties viz. Heera, Dhera, Diamant, Chamak and Cardinal along with two types of mulching materials viz rice straw and water hyacinth to find out suitable variety (ies) and mulching material(s) for obtaining higher yield under no tillage condition. Heera produced highest yield under both rice straw (19.45 t/ha) and water hyacinth (23.15 t/ha) mulch. Rest of the variety performed more or less similar in both cases. Both Heera and Dhera seemed to be suitable for cultivation in no tillage condition.

Keywords: Potato varieties, Mulching material, Yield and Quality.

Location: Farming system research site Lebukhali Patuakhali of Bangladesh Agricultural Research Institute (BARI)

Start Date: 00-11-1999

End Date: 00-04-2001

Program Area: Crop-Soil-Water Management

Commodity: Potato

Objectives:

1. To find out suitable potato variety (ies) that perform better under no tillage condition and
To find out suitable mulching material(s) for obtaining higher yield in potato cultivation under no tillage condition.

Methodology:

The field trial was conducted at the farming system research site Lebukhali Patuakhali of Bangladesh Agricultural Research Institute (BARI), during the Rabi season of 1999- 2000 and 2000-2001 having sandy loam soil. The experimental soil exists pH 6.3, Organic matter 0.95 (%), K 0.58 (%). Tubers of five recommended varieties of potato viz. Heera (V₁), Dhera (V₂), Diamond (V₃) Chamak (V₄) and Cardinal (V₅) along with two types of mulching materials viz rice straw (M₁) and water hyacinth (M₂) were included for the study. The experiment was set up in randomized complete block design (RCBD) with three replications. The unit plot size was 6.0m x 4.0m. Immediately after recession of flood water, whole tubers were planted maintaining a distance between rows 60 cm and between plants 25 cm. Potato was planted 7 December in both the years. Fertilizers were applied @ 330-220-250- 120-14-6 kg of urea, triple super phosphate (TSP), muriate of potash (MP), gypsum, zinc sulphate and boric acid per hectare respectively (Anon., 2002). Full amount of TSP, MP, Gypsum, Zinc sulphate, Boric acid and half of the urea were applied before planting by broadcast and properly mixed with soil so that the tuber does not come in contact with the fertilizers during planting. The remaining urea was top dressed before irrigation at around 30-35 days after planting. Before planting, shallow furrows were made by a stick where the tubers were planted in wet soils by placing them in the particular place and pressing slightly. After that, the plots were covered by thick mulch (6-8 inch). Irrigation water was sprayed over the field immediately after top dressing of urea. Weeding and other intercultural operations were done as and when necessary for raising the crop. The crop was sprayed with Redomeal MZ 72 and Dimecron to prevent diseases and insects. The dates of harvesting were 10th March 2000, respectively and 14th March 2001. The collected data were analyzed with the help of computer MSTATC software and the means were separated by LSD test.

Source of Information: Bangladesh J. Sci. Ind. Res. 44(1), 51-56, 2009

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

It can be concluded that tubers of Heera can be planted under water hyacinth or rice straw mulch but better production under water hyacinth mulch under no tillage condition. So, water hyacinth can be used as mulching material while planting potato under no tillage condition. To avoid greening, thick water hyacinth mulch of 10-12 cm can be used.

Knowledge Management: Journal