THE EFFECT OF HUMIC ACID ON THE SOME MORPHOLOGICAL AND ROOT PHYTOCHEMICAL CHARACTERISTICS OF PURPLE CONEFLOWER (ECHINACEA PURPUREA L.) UNDER LIMITED IRRIGATION STRESS AFTER TWO YEARS
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عنوان دوره: دهمین کنگره ملی علوم باغبانی
نویسندگان
1Dept. of Hort. Sci., Plant Prod. Faculty, Gorgan University of Agricultural Sciences , and Natural Resources, Gorgan, Iran
2Gorgan University Agricultural Sciences and, Gorgan, Iran
3gorgan university agricultural Sciences and, gorgan, Iran
چکیده
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