EFFECTS OF GREEN MANURE AND MIXED CULTURE OF MAIZE (ZEA MAYS L.) AND CANOLA (BRASSICA NAPUS L.) ON BIOAVAILABILITY AND UPTAKE OF IRON IN GREENHOUSE

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AZIMZADEH Y.; SHARIATMADARI H.; SHIRVANI M.

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Journal: Iranian Journal of Soil Research Year:2015 | Volume:29 | Issue:2 Page(s): 117-129

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Title

EFFECTS OF GREEN MANURE AND MIXED CULTURE OF MAIZE (ZEA MAYS L.) AND CANOLA (BRASSICA NAPUS L.) ON BIOAVAILABILITY AND UPTAKE OF IRON IN GREENHOUSE

Author(s)

AZIMZADEH Y. | SHARIATMADARI H. | SHIRVANI M. | Issue Writer Certificate

Keywords

DISSOLVED ORGANIC CARBONQ1

IRON DEFICIENCYQ2

MICRO ELEMENTSQ2

NUTRIENT EFFICIENT PLANTSQ2

TRANSFER FACTORQ2

Abstract

Iron is one of the essential micronutrients for plants. Despite sufficiency of total iron in soil, there is Fe deficiency in most soils. Changing of soil chemical properties is one of the effective manners to improve the Fe nutrition in plants. To investigate the effect s of alfalfa green manure and mixed culture of maize and canola on some chemical properties of rhizosphere and bioavailability and uptake of iron, a greenhouse experiment was conducted using rhizobox systems in a factorial design, with 3 replications, two le v els of green manure (0 and 2% w/w) and 4 cropping treatments (maize alone, canola alone, mixed maize and canola, and control). Results showed that the green manure addition reduced pH but increased DISSOLVED ORGANIC CARBON concentration (DOC) and soil organic matter (SOM) and thereby increased bioavailability of iron by more than 4 mg/kg of soil. Green manure addition also enhanced shoot dry weight and increased uptake of iron in canola shoot by 54 mg/kg soil. Results of simple correlation coefficient showed a dynamic relationship between increase in iron bioavailability in the rhizosphere and pH reduction and increase in DOC, SOM, and EC. The results of plant analysis showed that green manure addition reduced concentration of iron in shoot of the mixed culture. Intercropping of maize and canola increased plant dry weight 4.4 g per pot more than canola and 5.5 g per pot more than maize in single culture. Therefore, green manure addition and mixed culture system were useful in increasing yield. Also, intercropping of maize and canola was effective in increasing iron in maize shoot.

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APA: Copy

AZIMZADEH, Y., SHARIATMADARI, H., & SHIRVANI, M.. (2015). EFFECTS OF GREEN MANURE AND MIXED CULTURE OF MAIZE (ZEA MAYS L.) AND CANOLA (BRASSICA NAPUS L.) ON BIOAVAILABILITY AND UPTAKE OF IRON IN GREENHOUSE. IRANIAN JOURNAL OF SOIL RESEARCH (FORMERLY SOIL AND WATER SCIENCES), 29(2), 117-129. SID. https://sid.ir/paper/158916/en

Vancouver: Copy

AZIMZADEH Y., SHARIATMADARI H., SHIRVANI M.. EFFECTS OF GREEN MANURE AND MIXED CULTURE OF MAIZE (ZEA MAYS L.) AND CANOLA (BRASSICA NAPUS L.) ON BIOAVAILABILITY AND UPTAKE OF IRON IN GREENHOUSE. IRANIAN JOURNAL OF SOIL RESEARCH (FORMERLY SOIL AND WATER SCIENCES)[Internet]. 2015;29(2):117-129. Available from: https://sid.ir/paper/158916/en

IEEE: Copy

Y. AZIMZADEH, H. SHARIATMADARI, and M. SHIRVANI, “EFFECTS OF GREEN MANURE AND MIXED CULTURE OF MAIZE (ZEA MAYS L.) AND CANOLA (BRASSICA NAPUS L.) ON BIOAVAILABILITY AND UPTAKE OF IRON IN GREENHOUSE,” IRANIAN JOURNAL OF SOIL RESEARCH (FORMERLY SOIL AND WATER SCIENCES), vol. 29, no. 2, pp. 117–129, 2015, [Online]. Available: https://sid.ir/paper/158916/en

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