تاثیر محلول پاشی آهن، روی و منگنز بر میزان عناصر و خصوصیات کیفی علوفه سورگوم
محورهای موضوعی : یافته های نوین کشاورزیایمان فراهانی 1 , حسن طهماسبی زاده 2 , مرجان صالحی 3
1 - دانشگاه آزاد اسلامی واحد اراک، باشگاه پژوهشگران جوان و نخبگان، اراک، ایران
2 - دانشگاه آزاد اسلامی واحد اراک، باشگاه پژوهشگران جوان و نخبگان، اراک، ایران
3 - کارشناس ارشد زیست شناسی
کلید واژه: روی, آهن, محلول پاشی, منگنز و کیفیت علوفه,
چکیده مقاله :
اجرای این طرح در سال 1390 در مزرعه تحقیقاتی دانشگاه پیام نور فرمهین صورت گرفت. طرح در قالب بلوک کامل تصادفی در 4 تکرار و هر تکرار شامل 8 کرت اجرا شد. تیمارها شامل محلولپاشی عناصر روی، آهن و منگنز، آهن و منگنز، آهن و روی، روی و منگنز، آهن، روی، منگنز و تیمار شاهد بود. مصرف کودها به صورت محلول پاشی با غلظت 5 در هزار وکودهای مورد استفاده از نوع سولفات بود. محلول پاشی در دو مرحله ساقه دهی و ظهور گل تاجی صورت گرفت. نتایج نشان داد اثر تیمار بر میزان خاکستر، فیبر، پروتئین، نیتروژن، فسفر، پتاسیم، آهن، روی و منگنز معنی دار شد. مصرف آهن، روی و منگنز باعث کاهش غلظت فسفر و فیبر و افزایش نیتروژن و پتاسیم در علوفه سورگوم شدند. همچنین بین عناصر آهن، روی و منگنز در میزان غلظت آنها در گیاه رابطه منفی وجود دارد و مصرف هر کدام باعث کاهش غلظت دیگری می شود.
The project was conducted at the research farm of FarmahiniPayam Noor University in 1390.The project was conducted in most randomized complete block with four replications of 8 plots. The treatments consisted of spraying elements like: zinc, iron, manganese, iron, manganese, zinc and iron, zinc, manganese, iron, zinc, manganese andtreating control. Fertilizers in a concentrations of 5 per1000 insulphate form were sprayed. Spraying was carried out in two stages, jointing and tassel emergence. The results showed that the effect of treatment on the characteristics of ash, fiber, protein, nitrogen, phosphorus, potassium, iron, zinc and manganese were significant. The usage ofIron, zinc and manganese leads to decreased fiber and phosphorus and nitrogen and potassium concentrations in forage sorghum. Also there is a negative relationship Between concentrations of Fe, Zn and Mn in plants.use one of them cause a decrease in density of other's.
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