USE OF INEXPENSIVE AND LOCAL MATERIALS AS CARRIERS FOR BRADYRHIZOBIUM JAPONICUM

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KHAVARZI K.; REJALI F.

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Journal: Iranian Journal of Soil Research Year:2000 | Volume:14 | Issue:1 Page(s): 36-45

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Title

USE OF INEXPENSIVE AND LOCAL MATERIALS AS CARRIERS FOR BRADYRHIZOBIUM JAPONICUM

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KHAVARZI K. | REJALI F. | Issue Writer Certificate

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Abstract

The soybean inoculant is one of the agricultural inputs imported for nearly thirty years from places like the U.S. and Italy. Presently, the cost of this imported product amounts to about 300000 dollars annually. This product consists of mainly two parts: 1) The bacteria Bradyrhizobium japonicum and 2) A Carrier which can maintain an acceptable population of the bacteria for a given period and serves as a vehicle for transferring the bacteria and applying them to the seeds or the plant rhizosphere. The unavailability of peat, which is the best known and the most widely used rhizobial carrier world wide, has been the main reason for not producing this inoculant in Iran. This research aimed at using some inexpensive materials as carrier instead of peat, so as to eventually produce soybean inoculants in Iran on a commercial scale. For this purpose, the physical and chemical properties of some materials and preparations as carrier were studied and the viability of Bradyrhizobium japonicum on these substances were evaluated. Our preparations were 1) Bagasse(sugar cane by-products) compost 2) Bagasse compost and Filter mud (another sugar cane by-product) compost 3) Bagasse compost and unheated Vermiculite 4) Wheat husk compost and coal 5) Bagasse compost and Bentonite. The experiment was carried out as completely randomized factorial design with five carriers and nine periods of bacterial counts and three replicates per treatment. The results showed that there was a good potential for the production of soybean inoculante using inexpensive and locally available materials. For example, after six months of storage, Bagasse compost could maintain a reasonable population of bacteria equal to the international standards, with a log number of bacteria equal to 9.17 and a log number of bacteria on the seeds as 6.5.

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APA: Copy

KHAVARZI, K., & REJALI, F.. (2000). USE OF INEXPENSIVE AND LOCAL MATERIALS AS CARRIERS FOR BRADYRHIZOBIUM JAPONICUM. IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES, 14(1), 36-45. SID. https://sid.ir/paper/15958/en

Vancouver: Copy

KHAVARZI K., REJALI F.. USE OF INEXPENSIVE AND LOCAL MATERIALS AS CARRIERS FOR BRADYRHIZOBIUM JAPONICUM. IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES[Internet]. 2000;14(1):36-45. Available from: https://sid.ir/paper/15958/en

IEEE: Copy

K. KHAVARZI, and F. REJALI, “USE OF INEXPENSIVE AND LOCAL MATERIALS AS CARRIERS FOR BRADYRHIZOBIUM JAPONICUM,” IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES, vol. 14, no. 1, pp. 36–45, 2000, [Online]. Available: https://sid.ir/paper/15958/en

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