TY - JOUR AU - Amirlatifi, فریبا AU - Shokravi, sh AU - Safaei, مریم AU - Hosseini kolbadi, زهرا TI - The effect of acidity at limited irradiance on survival, growth, pigment composition and ammonium liberation of soil cyanobacterium Nostoc sp., collected from paddy-fields of Golestan province JO - Journal of Plant Environmental Physiology VL - 2 IS - 6 SP - 38 EP - 45 PY - 2007 DO - ER -