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ইউরিয়া সারের কাঁচামাল কি?

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<p class = "MsoNormal"><span style = "font - family: 'Vrinda', 'sans - serif';">ইউরিয়া</span> <span style = "font - family: 'Vrinda', 'sans - serif';">একটি</span> <span style = "font - family: 'Vrinda', 'sans - serif';">নাইট্রোজেন</span> <span style = "font - family: 'Vrinda', 'sans - serif';">সংবলিত</span> <span style = "font - family: 'Vrinda', 'sans - serif';">রাসায়নিক</span> <span style = "font - family: 'Vrinda', 'sans - serif';">সার</span>,  <span style = "font - family: 'Vrinda', 'sans - serif';">যা</span> <span style = "font - family: 'Vrinda', 'sans - serif';">ব্যাপক</span> <span style = "font - family: 'Vrinda', 'sans - serif';">হারে</span> <span style = "font - family: 'Vrinda', 'sans - serif';">ফসলের</span> <span style = "font - family: 'Vrinda', 'sans - serif';">জমিতে</span> <span style = "font - family: 'Vrinda', 'sans - serif';">ব্যবহৃত</span> <span style = "font - family: 'Vrinda', 'sans - serif';">হয়ে</span> <span style = "font - family: 'Vrinda', 'sans - serif';">থাকে</span><span style = "font - family: 'Mangal', 'serif';">। </span> <span style = "font - family: 'Vrinda', 'sans - serif';">ইউরিয়া</span> <span style = "font - family: 'Vrinda', 'sans - serif';">সারের</span> <span style = "font - family: 'Vrinda', 'sans - serif';">প্রধান</span> <span style = "font - family: 'Vrinda', 'sans - serif';">কাঁচামাল</span> : <span style = "font - family: 'Vrinda', 'sans - serif';">মিথেন</span> <span style = "font - family: 'Vrinda', 'sans - serif';">গ্যাস</span><span style = "font - family: 'Mangal', 'serif';">। </span> <span style = "font - family: 'Vrinda', 'sans - serif';">ইউরিয়া</span> <a href = "http://www.agriculturelearning.com/%e0%a6%95%e0%a7%83%e0%a6%b7%e0%a6%bf - %e0%a6%a4%e0%a6%a5%e0%a7%8d%e0%a6%af/"><span style = "font - family: 'Vrinda', 'sans - serif'; color: windowtext;">সার</span></a> <span style = "font - family: 'Vrinda', 'sans - serif';">নাইট্রোজেন</span> <span style = "font - family: 'Vrinda', 'sans - serif';">সরবরাহ</span> <span style = "font - family: 'Vrinda', 'sans - serif';">করে</span> <span style = "font - family: 'Vrinda', 'sans - serif';">থাকে</span> <span style = "font - family: 'Vrinda', 'sans - serif';">যা</span> <span style = "font - family: 'Vrinda', 'sans - serif';">শিকড়ের</span> <span style = "font - family: 'Vrinda', 'sans - serif';">বৃদ্ধি</span> <span style = "font - family: 'Vrinda', 'sans - serif';">বিস্তাররে</span> <span style = "font - family: 'Vrinda', 'sans - serif';">সহায়তা</span> <span style = "font - family: 'Vrinda', 'sans - serif';">করে</span> <span style = "font - family: 'Vrinda', 'sans - serif';">থাকে</span><span style = "font - family: 'Mangal', 'serif';">। </span> <span style = "font - family: 'Vrinda', 'sans - serif';">গাছের</span> <span style = "font - family: 'Vrinda', 'sans - serif';">ও</span> <span style = "font - family: 'Vrinda', 'sans - serif';">শাকসবজির</span> <span style = "font - family: 'Vrinda', 'sans - serif';">পর্যাপ্ত</span> <span style = "font - family: 'Vrinda', 'sans - serif';">পরিমাণ</span> <span style = "font - family: 'Vrinda', 'sans - serif';">পাতা</span>,  <span style = "font - family: 'Vrinda', 'sans - serif';">ডালপালা</span> <span style = "font - family: 'Vrinda', 'sans - serif';">ও</span> <span style = "font - family: 'Vrinda', 'sans - serif';">কান্ড</span> <span style = "font - family: 'Vrinda', 'sans - serif';">উৎপাদনে</span> <span style = "font - family: 'Vrinda', 'sans - serif';">সাহায্য</span> <span style = "font - family: 'Vrinda', 'sans - serif';">করে</span> <span style = "font - family: 'Vrinda', 'sans - serif';">থাকে</span><span style = "font - family: 'Mangal', 'serif';">। </span> <span style = "font - family: 'Vrinda', 'sans - serif';">ইউরিয়া</span> <span style = "font - family: 'Vrinda', 'sans - serif';">সার</span> <span style = "font - family: 'Vrinda', 'sans - serif';">ক্লোরোফিল</span> <span style = "font - family: 'Vrinda', 'sans - serif';">উৎপাদনের</span> <span style = "font - family: 'Vrinda', 'sans - serif';">মাধ্যমে</span> <span style = "font - family: 'Vrinda', 'sans - serif';">গাছপালাকে</span> <span style = "font - family: 'Vrinda', 'sans - serif';">গাঢ়</span> <span style = "font - family: 'Vrinda', 'sans - serif';">সবুজ</span> <span style = "font - family: 'Vrinda', 'sans - serif';">বর্ণ</span> <span style = "font - family: 'Vrinda', 'sans - serif';">প্রদান</span> <span style = "font - family: 'Vrinda', 'sans - serif';">করে</span> <span style = "font - family: 'Vrinda', 'sans - serif';">থাকে</span><span style = "font - family: 'Mangal', 'serif';">। </span> <span style = "font - family: 'Vrinda', 'sans - serif';">কুশি</span> <span style = "font - family: 'Vrinda', 'sans - serif';">উৎপাদনসহ</span> <span style = "font - family: 'Vrinda', 'sans - serif';">ফলের</span> <span style = "font - family: 'Vrinda', 'sans - serif';">আকার</span> <span style = "font - family: 'Vrinda', 'sans - serif';">বৃদ্ধিতে</span> <span style = "font - family: 'Vrinda', 'sans - serif';">সাহায্য</span> <span style = "font - family: 'Vrinda', 'sans - serif';">করে</span><span style = "font - family: 'Mangal', 'serif';">। </span></p>

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