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Effects of Organic Manures on the Growth and Yield of Broccoli

Md. Nazmul Hasan Mehedi
Scientific Officer
Horticulture Division, BINA

Fatamatul Mohosina
MS Student
Patuakhali Science and Technology University

Mahmuda Khanom
MS student
Patuakhali Science and Technology University

Md. Ibrahim Ali
Scientific Officer
Agronomy Division, BINA

Abstract/ Executive Summary:

Keywords: Broccoli, Organic manures, Yields.

Location: Horticulture Division, BINA

Start Date: 00-11-2017

End Date: 00-03-2018

Program Area: Variety and Species

Commodity: Manures, Broccoli

Objectives:

This experiment was carried out in order to study the effect of various sources of plant nutrients on growth, development and yield of broccoli and to compare the nutrient values in different organic sources.

Methodology:

The study was conducted under field conditions during the winter season of 2017 taking broccoli cv. Imperial (V1) and Premium crop (V2) obtained local seed market with five treatments of organic manures viz. Control (M0): (No organic manure), Cowdung (M1) :(25 t/ha), trichoderma compost (M2) :(10 t/ha), Vermicompost (M3) :(12 t/ha) and Poultry litter (M4) :(14 t/ha). The following doses of manures and fertilizers i.e. cowdung: N: P: K-15000:115:30:100 (kg/ha) were recommended for broccoli production (Rashid, 1993). The above doses of manures and fertilizers were converted as per treatment. After conversion the dose of each manure and their % nutrient content used in the experiment was as follows, Cowdung (N:P:K:S-1:1.6:0.2:0.3), trichoderma compost (N:P:K:S-1.2:0.61:0.77:0.24), Poultry litter (N:P:K:S-1.6:1.5:0.85:0.4) and Vermicompost (N:P:K:S-2.16:1.44:2.55:0.8) (Source: Fertilizer Recommendation Guide, BARC, 1997 ). The experiment was laid out in randomized complete block design (RCBD) with three replications. One-month seedlings were transplanted in the field at a spacing of 60 cm (row) by 40 cm (plant) on raised beds. The unit plot size was 3m x 3m. Seedlings were watered after transplanting. Banana leaves were used around seedlings as mulch. Weeding, irrigation, crop management and harvesting were done manually. The curds were harvested in compact condition before the flower buds opened (Thompson and Kelly, 1988). Five plants were selected randomly for data collection in each plot and labeled. All broccoli heads of each plot were harvested at marketable stage and the following variables were measured: weight of primary curd and secondary curd, no. of secondary curd, fresh weight and dry weight of curd and yield (g/plant) . The data obtained from the characters were statistically analyzed to find out the variation resulting from experimental treatments following F variance test. The differences between treatments were adjusted by Duncans Multiple Range Test (DMRT) (Gomez and Gomez, 1984).

Source of Information: Bangladesh J. Environ. Sci., Vol. 35, 47-50, 2018

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The experimental findings showed that the use of vermicompost was better for broccoli growth and development as compared to other used organic manures. It can be readily substituted by farm-produced organic sources of plant nutrients and thus aid in sustainable and efficient uses of eco-friendly manures in sustainable agriculture of Bangladesh.

Knowledge Management: Journal