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A field method for estimating sun—leaf angles in productivity studies — addendum

✍ Scribed by G.S.G. Shell; A.R.G. Lang

No coin nor oath required. For personal study only.

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A field method for estimating sun-leaf a

✍ R.E. Smart; A.R.G. Lang 📂 Article 📅 1973 🏛 Elsevier Science ⚖ 273 KB