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Spectrometry estimation of total nitrogen concentration in Douglas-fir foliage

✍ Scribed by JOHNSON, L. F.; BILLOW, C. R.

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Comparison of Fall and Spring Applicatio

✍ Heilman, P. E.; Dao, Thanh; Cheng, H. H.; Webster, S. R.; Harper, S. S. 📂 Article 📅 1982 🏛 The American Society of Agronomy 🌐 English ⚖ 228 KB