EFFECTS OF SOIL MOISTURE, PHOSPHORUS AND ZINC LEVELS ON THE GROWTH ATTRIBUTES OF POTATO, GREENHOUSE CONDITIONS

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MOTALEBIFARD RAHIM; NAJAFI NOSRATOLLAH; OUSTAN SHAHIN; NAYSHABORI MOHAMAD REZA; VALIZADEH MOSTAFA

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Journal: Iranian Journal of Soil and Water Research Year:2014 | Volume:45 | Issue:1 Page(s): 75-86

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Title

EFFECTS OF SOIL MOISTURE, PHOSPHORUS AND ZINC LEVELS ON THE GROWTH ATTRIBUTES OF POTATO, GREENHOUSE CONDITIONS

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Keywords

GROWTH ATTRIBUTESQ2

PHOSPHORUSQ2

POTATOQ2

SOIL MOISTURE CONTENTQ2

ZINCQ2

Abstract

The present study was conducted to evaluate the combined effects of soil moisture as well as PHOSPHORUS (P) and ZINC (Zn) levels on the GROWTH ATTRIBUTES of POTATO (Solanum tuberosum L. cv. Agria). The investigation was arranged as a factorial one based upon randomized complete blocks design with Zn at three levels (0, 10 and 20mg Zn per kg of dry soil (as ZINC sulfate)), P at three levels (0, 30 and 60mg per kg dry soil (as monocalcium phosphate)) and soil moisture at three levels (50-60% FC, 70-80% FC and 90-100% of FC), the experiments being replicated thrice. Such GROWTH ATTRIBUTES of the POTATO crop as stem, leaf number and lengths, chlorophyll index, stomatal conductivity, Relative Water Content (RWC) as well as dry weight were assessed. The results revealed that the drought stress resulted in a significant decrease in stem and leaf length, stomatal conductivity, stem dry weight and RWC. Application of P significantly increased the leaf number, stem and leaf length, stomatal conductivity and stem dry weights. Application of Zn also, significantly affected the stem and leaf length, chlorophyll index, stomatal conductivity and stem dry weights. The P×soil moisture and Zn×soil moisture interaction effects were significant for the traits of stomatal conductivity and stem growth rate. The P×Zn×soil moisture interaction effect was significant for chlorophyll index, stomatal conductivity and stem dry weight. The results showed that the two way interactions of Zn, P and soil moisture were mainly synergistic on the above mentioned attributes. In total, to achieve the optimum growth of POTATO in similar soils, application of 20 mg Zn and 30 mg P per kg of dry soil would be recommended under normal irrigation conditions while at water deficit conditions application of 20 mg Zn and 60 mg P per kg of dry soil would be recommended.

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APA: Copy

MOTALEBIFARD, RAHIM, NAJAFI, NOSRATOLLAH, OUSTAN, SHAHIN, NAYSHABORI, MOHAMAD REZA, & VALIZADEH, MOSTAFA. (2014). EFFECTS OF SOIL MOISTURE, PHOSPHORUS AND ZINC LEVELS ON THE GROWTH ATTRIBUTES OF POTATO, GREENHOUSE CONDITIONS. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 45(1), 75-86. SID. https://sid.ir/paper/225959/en

Vancouver: Copy

MOTALEBIFARD RAHIM, NAJAFI NOSRATOLLAH, OUSTAN SHAHIN, NAYSHABORI MOHAMAD REZA, VALIZADEH MOSTAFA. EFFECTS OF SOIL MOISTURE, PHOSPHORUS AND ZINC LEVELS ON THE GROWTH ATTRIBUTES OF POTATO, GREENHOUSE CONDITIONS. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2014;45(1):75-86. Available from: https://sid.ir/paper/225959/en

IEEE: Copy

RAHIM MOTALEBIFARD, NOSRATOLLAH NAJAFI, SHAHIN OUSTAN, MOHAMAD REZA NAYSHABORI, and MOSTAFA VALIZADEH, “EFFECTS OF SOIL MOISTURE, PHOSPHORUS AND ZINC LEVELS ON THE GROWTH ATTRIBUTES OF POTATO, GREENHOUSE CONDITIONS,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 45, no. 1, pp. 75–86, 2014, [Online]. Available: https://sid.ir/paper/225959/en

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