সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
Which one of the following nitrogenous fertilizers is not very effective in acidic soils?
Which one of the following nitrogenous fertilizers is not very effective in acidic soils?
- ক. nitrolin
- খ. calcium nitrate
- গ. ammonium sulphate
- ঘ. urea
সঠিক উত্তরঃ urea
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- The scientist who first discovered that the earth rrevolves round the sun was--
- What causes an eclips of the sun?
- Which of the following is the only liquid metal?
- The first attempt in printing was made in England by--
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Basic Information of Daily Science, Inventions and...