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همایش بین المللی ژئولیت ایران

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کلمات کلیدی

Poa pratensis، salinity، zeolite

Salinity is one of the most important factors limiting growth and development in cultivated species. The
effect of different levels of zeolite were studied on quality and quantity growth factors, salt deposition,
sodium absorption ratio (SAR) and ion compositon in leachate. Saline water reduced visual turf quality (
VTQ), Total fresh and dry weight (TFW, TDW), Clipping dry and fresh weight (CDW, CFW), verdure dry
and fresh weight (VDW, VFW), root fresh and dry weight (RFW, RDW), chlorophyll index (CI), stomatal
conductance (SC), Mesophyll efficiency (ME), and water use efficiency (WUE) compared to control.
Zeolite increased total parameters during both the 2nd & 3rd months. Highest effect obtained in highest
percent of zeolite. After 3 months, the beneficial effects of zeolite on TQ and other parameters diminished.
Amendment of sand with zeolite reduced leaching of Na and K but, increased leaching of Ca and Mg and
SAR value in short–term. Results indicate that zeolite may buffer soil solution Na concentration. In the longterm,
however, a substantial amount of Na may be retained concurrent with Ca and Mg exchange, thereby
increasing sodicity and salinity problems.<\div>

راهنمای دریافت مقاله‌ی «Effect of natural zeolite to reducing salt stress inKentucky bluegrass (Poa pratensis)» در حال تکمیل می‌باشد.

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