EFFECTS OF THREE TYPES OF ORGANIC FERTILIZERS ON THE GROWTH CHARACTERISTICS AND WATER USE EFFICIENCY OF CORN AT DIFFERENT LEVELS OF SOIL COMPACTION

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MOHAMMADNEJAD A.; NAJAFI N.; NISHABOURI M.R.

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Journal: Journal of Soil Management and Sustainable Production Year:2015 | Volume:5 | Issue:2 Page(s): 25-47

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Title

EFFECTS OF THREE TYPES OF ORGANIC FERTILIZERS ON THE GROWTH CHARACTERISTICS AND WATER USE EFFICIENCY OF CORN AT DIFFERENT LEVELS OF SOIL COMPACTION

Author(s)

MOHAMMADNEJAD A. | NAJAFI N. | NISHABOURI M.R. | Issue Writer Certificate

Keywords

CORNQ2

MANUREQ2

MUNICIPAL SOLID WASTE COMPOSTQ2

SEWAGE SLUDGEQ2

SOIL COMPACTIONQ1

Abstract

Background and Objectives: SOIL COMPACTION is one of the most prevailed limitations for crop growth and yield. The use of organic matters as fertilizer on agricultural soils can reduce the effects of SOIL COMPACTION and provide the nutrients for the plants. On the other hand, organic matter and water deficits are common in most soils of Iran. Increasing organic matter of soils by application of farmyard MANURE (FYM), SEWAGE SLUDGE compost (SSC) and MUNICIPAL SOLID WASTE COMPOST (MSWC) can improve physical, chemical and biological properties of soil and increase water use efficiency (WUE) and plant growth. Therefore, this study was done to evaluate the effects of FYM, SSC and MSWC on the growth characteristics and WUE of CORN at different levels of SOIL COMPACTION.Materials and Methods: A factorial experiment was carried out in a randomized complete blocks design with three replications at Agricultural Research Station of University of Tabriz in 2012. The first factor was the source and amount of organic fertilizer (FYM, SSC and MSWC and each of organic fertilizers at three levels of 0, 15, 30 g/kg soil) and the second factor was two levels of SOIL COMPACTION (1.2 and 1.7 g/cm3). Ten kilograms of dry soil were poured into special PVC pots with internal diameter of 15.2 cm and CORN (Zea mays cv. Single cross 704) seeds were cultivated. During growth period leaf relative water content (RWC), amount of water used and leaf chlorophyll index and at the end of growth period WUE, plant dry matter, leaf length and width, stem diameter and plant height were measured.Results: The results showed that application of all three types of organic fertilizers at both levels of SOIL COMPACTION caused an increase in plant dry matter, leaf length and width, stem diameter, leaf chlorophyll index, RWC and WUE and the maximum of these characteristics was obtained by application of 30 g organic fertilizers/kg soil. SOIL COMPACTION caused a decrease in WUE, plant growth and above mentioned characteristics except number of leaves per plant.Application of organic fertilizers and increasing their levels reduced the negative effects of SOIL COMPACTION on CORN growth characteristics and WUE; so that at the SOIL COMPACTION level of 1.7 g/cm3, the CORN growth in the 30 g of each fertilizer/kg soil was greater than the 15 g of them/kg soil.Conclusion: SOIL COMPACTION reduced CORN plant growth and WUE. The negative effects of SOIL COMPACTION on CORN growth characteristics can be reduced by application of FYM, SSC and MSWC. In general, in order to increase WUE and CORN growth, application of 30 g of FYM or SSC or MSWC per kg soil can be recommended at similar (compacted and non-compacted) conditions.

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APA: Copy

MOHAMMADNEJAD, A., NAJAFI, N., & NISHABOURI, M.R.. (2015). EFFECTS OF THREE TYPES OF ORGANIC FERTILIZERS ON THE GROWTH CHARACTERISTICS AND WATER USE EFFICIENCY OF CORN AT DIFFERENT LEVELS OF SOIL COMPACTION. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, 5(2), 25-47. SID. https://sid.ir/paper/209944/en

Vancouver: Copy

MOHAMMADNEJAD A., NAJAFI N., NISHABOURI M.R.. EFFECTS OF THREE TYPES OF ORGANIC FERTILIZERS ON THE GROWTH CHARACTERISTICS AND WATER USE EFFICIENCY OF CORN AT DIFFERENT LEVELS OF SOIL COMPACTION. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION[Internet]. 2015;5(2):25-47. Available from: https://sid.ir/paper/209944/en

IEEE: Copy

A. MOHAMMADNEJAD, N. NAJAFI, and M.R. NISHABOURI, “EFFECTS OF THREE TYPES OF ORGANIC FERTILIZERS ON THE GROWTH CHARACTERISTICS AND WATER USE EFFICIENCY OF CORN AT DIFFERENT LEVELS OF SOIL COMPACTION,” ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, vol. 5, no. 2, pp. 25–47, 2015, [Online]. Available: https://sid.ir/paper/209944/en

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