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Integrated Use of Organic Manure and Inorganic Fertilizers on Soil Fertility and Productivity of Sugarcane

G. C. Paul
Soils and Nutrition Division, Bangladesh Sugarcane Research Institute, Ishurdi-6620, Pabna, Bangladesh

S. M. Bokhtiar
Soils and Nutrition Division, Bangladesh Sugarcane Research Institute, Ishurdi-6620, Pabna, Bangladesh

M. K. Alam
Soils and Nutrition Division, Bangladesh Sugarcane Research Institute, Ishurdi-6620, Pabna, Bangladesh

M. A. Haque
Soils and Nutrition Division, Bangladesh Sugarcane Research Institute, Ishurdi-6620, Pabna, Bangladesh

N ISLAM
Soils and Nutrition Division, Bangladesh Sugarcane Research Institute, Ishurdi-6620, Pabna, Bangladesh

M. A. Mannan
Soils and Nutrition Division, Bangladesh Sugarcane Research Institute, Ishurdi-6620, Pabna, Bangladesh

Abstract/ Executive Summary:

A field experiment was conducted at Chuadanga (High Ganges River Floodplain-AEZ-11), Gazipur (Madhupur Tract-AEZ-28) and Thakurgaon (Old Himalayan Piedmont Plain-AEZ-1) to develop an economically suitable combination of organic manure and inorganic fertiliser for sustaining sugarcane yield. At Chuadanga, the highest cane yield (129.47 t/ha) was recorded in T₃ treatment that received farmyard manure at 10 tonnes per hectare and inorganic fertilizer based on integrated plant nutrition system (IPNS), which was 19 per cent increase in yield over only inorganic fertilizer as per recommendation. But at Gazipur and Thakurgaon, the treatment T₂ and T₄ that received poultry litter and press mud at 10 tonnes per hectare with IPNS based inorganic fertilizers gave the highest sugarcane yields of 109.16 and 59.22 tonnes per hectare, which was 21 per cent and 2 per cent yield increase over only inorganic fertilizer, respectively. The highest gross margins of Bangladesh Taka 1 54 611, Taka 66 446 and Taka 1 26 268 per hectare were obtained with T_3, T₄ and T₂ at Chuadanga, Thakurgaon and Gazipur; respectively.

Keywords: Integrated use, Organic and inorganic fertiliser, Soil fertility, Sugarcane productivity.

Location: Ganges River Floodplain [Agro Ecological Zone (AEZ)-11] of Chuadanga, Madhupur Tract (AEZ-28) of Gazipur and Old Himalayan Piedmont Plain (AEZ-1) of Thakurgaon, Bangladesh.

Start Date: 00-00-2004

End Date: 00-00-2005

Program Area: Crop-Soil-Water Management

Commodity: Organic fertilizer, Sugarcane

Objectives:

To develop an economically suitable combination of organic manure and inorganic fertilizer for maximising sugarcane yield without deterioration of soil fertility.
To increase the nutrient use efficiency.
To conserve apparent nutrients balance in soil.

Methodology:

The experiment was conducted at three growers' fields in Bangladesh under Ganges River Floodplain [Agro Ecological Zone (AEZ)-11] of Chuadanga, Madhupur Tract (AEZ-28) of Gazipur and Old Himalayan Piedmont Plain (AEZ-1) of Thakurgaon, in 2004-2005 cropping season. The AEZ-11 is located within latitude 23°00'-24°00' and longitude 88°45'-89°45'. The mean annual rainfall ranges from 1400-1800 mm in AEZ-11. The rainfall distribution period is prolonged resulting with better crop yield. It has an average of 80 days with minimum <15°C. Its soils are alkaline in reaction, silt loams and silty clay loams on the upper parts of floodplain ridges, most ridge soils are calcareous throughout. The AEZ-1 is located within latitude 25°15'-26°30' and longitude 88 °15' - 89⁰15'. Even though the mean annual rainfall ranges from 1600- 2500 mm in AEZ-1, the rains start later and end earlier. For that short rainfall period during grand growth period of sugarcane in kharif season with high temperature seriously hampers biomass production and yield in crop. It has an average of 90-110 days with minimum <15°C also affects crop growth. Its soils are acidic in nature, deep, rapidly permeable, sandy loarns predominate. Sands occur locally on ridge tops, sandy substratum and the nutrient supplying capacity of soil is very much poor. The AEZ-28 is located within latitude 23°30'-24°30' and longitude 89°45'-91 °45'. The mean annual rainfall ranges from 2000-2300 mm in AEZ-28. The rains start earlier and end later. It has an average of 70-90 days with minimum <15°C. Its soils are acidic, well drained to poorly drained, deep red brown and deep grey terrace soils are predominantly classified as clays. The physico-chemical soil characteristics (initial and post-harvest) of the sites are given. The experiment was laid out in randomised complete block design with five treatments that replicated four times. The unit plot size was 8 m x 6 m. The tested variety of sugarcane was Isd 32 and Isd 35. One third of urea and muriate of potash, full amount of triple super phosphate, gypsum, zinc sulphate and full amount of organic manure were applied as basal in the trenches and mixed thoroughly with soil. The balance of urea and muriate of potash were top dressed in two equal splits at 120 days after planting (DAP) and at 180 DAP i.e. at tiller completion stage. All the recommended cultural management practices were done as and when required. Crops were harvested 14 months later. Nutrient composition of the organic sources namely press mud, farmyard manure and poultry litter. The treatments were as follows: T₀: Control (No fertiliser). T₁: Recommended inorganic fertilizer dose (RFD) as per BSRI'98. T₂: 10 t/ha poultry litter + IPNS based NPKS and Zn for HYG. T₃: 10 t/ha farmyard manure + IPNS based NPKS and Zn for HYG. T₄: 10 tlha press mud + IPNS based NPKS and Zn for HYG.

Source of Information: The Planter, Kuala Lumpur, 84 (985): 243-251 (2008)

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It may be concluded that the integrated use of farmyard manure at 10 tonnes per hectare with integrated plant nutrition system (IPNS) based inorganic fertiliser produced significantly better effect on sugarcane yield at Chuadanga under High Ganges River Floodplain soils of Bangladesh. But, at Thakurgaon under Old Himalayan Piedmont Plain it was foun beneficial for the use of press mud at 10 tonnes per hectare and IPNS based inorganic fertiliser. Again at Gazipur under Madhupur Tract, the integrated use of poultry litter at 10 tonnes per hectare with IPNS based inorganic fertiliser showed significantly higher positive effect on sugarcane yield. Furthermore, the highest gross margin and marginal benefit cost ratio was found with the integrated application of farmyard manure at 10 tonnes per hectare and IPNS based inorganic fertiliser at Chuadanga and that with press mud at 10 tonnes per hectare and IPNS based inorganic fertiliser at Thakurgaon. Again at Gazipur, the integrated application with poultry litter at 10 tonnes per hectare and IPNS based inorganic fertiliser showed higher gross margin but higher MBCR was found with press mud as organic manure. However, it can be suggested that the integrated use of organic manure with IPNS based inorganic fertiliser would be beneficial and effective for sugarcane production at the sites under study.

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