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Optimization model of paddlewheel as water quality engineering tool in intensive pond culture of vannamei shrimp (litopenaeus vannamei). in bbap situbondo, east java, Indonesia. – IJAAR

litopenaeus vannameiA.Kurniawan, Marsoed, M. Fadjar

Faculty of Fisheries and Marine Science Postgraduate Program, University of Brawijaya, Malang, East Java, Jl. Veteran, Malang, Indonesia

Key words: Paddlewheel, water quality, vannamei shrimp.

Abstract

The aims of this reasearch was to determine the number of paddlewheel at shrimp intensive ponds. A dynamic model was used to obtain optimal value or amount in the application of paddlewheel. Stella 9.1.4 software programing was employed to find relationships among parameters. Continue reading

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Standardization of high efficient and rapid regeneration protocol for Agrobacterium mediated transformation of tomato (Solanum lycopersicum L.) cv. Pusa Ruby, Vaibhav and Arka Meghali. – IJAAR

CaraboboS.V. Madhu, D.L. Savithramma

Department of Biotechnology, Karpagam University, Coimbatore, Tamil Nadu, India

Department of Genetics and Plant Breeding, University of Agricultural Sciences, GKVK, Bangalore, Karnataka, India

Key words: BAP-Benzyl Amino Purine, AS-Adenine Sulphate, TDZ-Thidiazuron, Zn-Zeatin, RM-Regeneration Media, IAA- Indole-3-Acetic Acid and MS- Murashige and Skoog.

Abstract

In the present investigation, three tomato cultivars Pusa Ruby, Vaibhav and Arkamegali (Solanum lycopersicum L.) were selected for multiple shoot induction. The explants cotyledon, hypocotyl and epicotyl of all the cultivars of tomato were cultured on MS medium fortified with different concentrations of BAP (1.0 to 4.0 mg/l), TDZ (1.0 to 4.0 mg/l), Zeatin (0.5 to 1.0 mg/l), AS (5.0 to 20 mg/l) and 0.1 mg/l IAA . Continue reading

The crown effect of Persian Oak (Quercus brantii LindI.) high trees on the physical and chemical properties of soil in Iran Zagros forests (Case study: Dalab canyon, Ilam County) – JBES

Quercus brantiiAzadeh Maleki, Ali Mahdavi, Masoud Bazgir

Department of Forest Science, Faculty of Agriculture and Natural Resources, Ilam University, Ilam, Iran

Key words: canopy cover, Persian Oak, physical properties, chemical properties, Zagros forests.

Abstract

Forest trees, especially ones growing in the arid and semi arid regions, have a significant impact on the soil under and outside the tree crown and function of these ecosystems. Given that the study of relation between the trees and soil is one of the key factors in the forest management and planning, Continue reading

Performance of maize as influenced by population density and organic manure types at Samaru, Zaria, Nigeria – IJAAR

maizeHamma Idi Lakun, Mahmoud Babawuro Ali, Simon Simeon Yusuf

Samaru College of Agriculture, ABU, Zaria, Nigeria

Federal College of Horticulture, Dadin-kowa, Gombe State, Nigeria

Modibbo Adama University of Technology, Yola, Nigeria

Key words: Population density, maize, organic manures, growth and yield.

Abstract

A field trial was conducted to study the performance of maize at different population density and organic manure types during the 2014 cropping season at the Teaching and Research Farm of Samaru College of Agriculture, Ahmadu Bello University, Continue reading

Performance of tomato as influenced by organic manure and sowing date in Samaru, Zaria – IJAAR

iStock_000006630012SmallMahmoud Babawuro Ali, Hamma Idi Lakun, Wakili Abubakar, Yusuf Salisu Mohammed

Federal College of Horticulture, Dadin Kowa, Nigeria

Samaru College of Agriculture, ABU, Zaria, Nigeria

Key words: Tomato, organic manure, sowing date, growth, yield.

Abstract

A field trial was conducted to study the performance of tomato as influenced by organic manure and sowing date during the 2013 dry season at the Teaching and Research Farm of Samaru College of Agriculture, Ahmadu Bello University, Zaria on the growth and yield of tomato. Continue reading