EFFECT OF COMPOST LEACHATE ON YIELD AND CHEMICAL COMPOSITION OF CORN AND THE EFFECTS OF LEACHATE RESIDUAL ON SOIL CHARACTERISTICS

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GANDOMKAR GHALHARI A.; KALBASI M.; GHORANI A.

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Journal: Year:2003 | Volume:16 | Issue:(60 IN AGRONOMY AND HORTICULTURE) Page(s): 2-8

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Title

EFFECT OF COMPOST LEACHATE ON YIELD AND CHEMICAL COMPOSITION OF CORN AND THE EFFECTS OF LEACHATE RESIDUAL ON SOIL CHARACTERISTICS

Author(s)

GANDOMKAR GHALHARI A. | KALBASI M. | GHORANI A. | Issue Writer Certificate

Keywords

GARBAGE LEACHATEQ4

CORN COMPOSITIONQ4

YIELDQ4

LIQUID FERTILIZERQ2

HEAVY METALSQ2

RESIDUALQ3

SOIL CHARACTERISTICSQ3

Abstract

The moisture content of urban soild wastes in Iran is very high. A large volume of Leacahate is, therefore, produced in the process of converting these wastes into compost. The leach ate contains relatively large amounts of organic matter, plant nutrients, soluble salts as well as small amounts of some HEAVY METALS. The effects of urban solid waste leach ate on growth and YIELD of corn and HEAVY METALS and nutrients concentrations in plant as well as the effects of leach ate RESIDUAL on soil were studied in field trial conducted in one site (Zeinal) in central Iran (Isfahan). The treatments included applications of 0, 400 and 800 metric tons of leachatelha as the main plots and two leaching treatments (0 and 15 cm water height)as the sub-plots in a split plot design. Application of the leach ate decreased crust formation and greatly improved germination and growth of corn. Biological YIELD of corn increased from 6.8 to 11.4and 8.9 tonslha for 400 and 800 tons/ha of leachate applications (as compared to the control field ),respectively. Leaching increased corn YIELD. Uptakes of N , P , K , Fe , Mn , Zn and Cu by corn increased as a result of leachate application. Concentrations of Fe , Mo , Zn , Cu and Cr in plant tissues also increased but no toxic symptoms were observed in plants. Concentrations of Pb, Cd, Cr, Co , and Ni in aerial tissues of corn did not increase as a result of leachate application .The RESIDUAL effects of leachate application on soil were a decrease in pH and corresponding increases in organic matter content, in electrical conductivity and in available amounts of N,P,K, Fe ,Mn , Zn , and Cu. It is concluded that compost leachate has the potential to be used as an organic LIQUID FERTILIZER and soil amendment to improve soil productivity at least for a limited period of time.

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APA: Copy

GANDOMKAR GHALHARI, A., KALBASI, M., & GHORANI, A.. (2003). EFFECT OF COMPOST LEACHATE ON YIELD AND CHEMICAL COMPOSITION OF CORN AND THE EFFECTS OF LEACHATE RESIDUAL ON SOIL CHARACTERISTICS. PAJOUHESH-VA-SAZANDEGI, 16((60 IN AGRONOMY AND HORTICULTURE)), 2-8. SID. https://sid.ir/paper/20178/en

Vancouver: Copy

GANDOMKAR GHALHARI A., KALBASI M., GHORANI A.. EFFECT OF COMPOST LEACHATE ON YIELD AND CHEMICAL COMPOSITION OF CORN AND THE EFFECTS OF LEACHATE RESIDUAL ON SOIL CHARACTERISTICS. PAJOUHESH-VA-SAZANDEGI[Internet]. 2003;16((60 IN AGRONOMY AND HORTICULTURE)):2-8. Available from: https://sid.ir/paper/20178/en

IEEE: Copy

A. GANDOMKAR GHALHARI, M. KALBASI, and A. GHORANI, “EFFECT OF COMPOST LEACHATE ON YIELD AND CHEMICAL COMPOSITION OF CORN AND THE EFFECTS OF LEACHATE RESIDUAL ON SOIL CHARACTERISTICS,” PAJOUHESH-VA-SAZANDEGI, vol. 16, no. (60 IN AGRONOMY AND HORTICULTURE), pp. 2–8, 2003, [Online]. Available: https://sid.ir/paper/20178/en

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