Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 15 references without a DOI — listed, not checked
no DOI — not checkedAsian Development Bank, 1994, “Climate Change in Asia,” Regional Study on Global Environmental Issues, Manila, Philippines.
no DOI — not checkedCentral Bank, 1992, Annual Report, Central Bank of Sri Lanka.
no DOI — not checkedChaney, W.R., 1981, “Woody Plant Communities,” in T.T. Kozlowski (ed.), Water Deficit and Plant Growth, Vol. VI, pp. 1–47, Academic Press, Inc., London, United Kingdom.
no DOI — not checkedHandique, A.C., and L. Manivel, 1986, “Shoot Water Potential in Tea, II, Screening Toklai Cultivars for Drought Tolerance,” Two and a Bud 33: 39–42.
no DOI — not checkedHurd, E.A., 1976, “Plant Breeding for Drought Resistance,” in T.T. Kozlowski (ed.), Water Deficit and Plant Growth, Vol. IV, pp. 317–353, Academic Press, Inc., London, United Kingdom.
no DOI — not checkedJackson, I.J., 1989, Climate, Water and Agriculture in the Tropics, 2nd ed., Longman, London, United Kingdom.
no DOI — not checkedKaufman, M.R., 1981, “Water Relations during Drought,” in C.G. Paleg and D. Aspinall (eds.), The Physiology and Biochemistry of Drought Resistance in Plants, pp. 55–70, Academic Press, Inc., Sydney, Australia.
no DOI — not checkedNawaratne, D.K., 1992, “A Survey of Drought Damage in the Ratnapura Region in 1992,” Tea Bulletin 12: 34–42.
no DOI — not checkedPlanchon, C., 1987, “Drought Avoidance and Drought Resistance in Crop Plants: Inter and Infra Specific Variability,” in L. Monti and E. Proceddu (eds.), Drought Resistance in Plants: Physiological and Genetic Aspects, pp. 79–94, Commission of the European Communities, Luxembourg.
no DOI — not checkedReeve, M.J., and A.D. Carter, 1991, “Water Release Characteristics,” in K.A. Smith and C.E. Mullins (eds.), Soil Analysis: Physical Methods, pp. 111–116, Marcel Dekker, Inc., New York, N.Y., USA.
no DOI — not checkedRyadnova, I.M., and T.A. Lebedeva, 1971, “The Indices of Drought Resistance in Some Peach Cultivars,” Trudy Krymskaya opytno Seleltsionnayam Stantsiya VNII Rastenievodstva 6: 141–150.
no DOI — not checkedSlatyer, R.O., 1967, Plant Water Relationships, Academic Press, Inc., New York, N.Y., USA.
no DOI — not checkedWadasinghe, G., and M.A. Wijeratne, 1989, “Effects of Potassium on Water Use Efficiency of Young Tea (Camellia sinensis L.),” Journal of Soil Science Society of Sri Lanka 6: 46–55.
no DOI — not checkedWatson, M., 1986, “Soil and Climatic Requirements,” in P. Sivapalan, S. Kulasegaram, and A. Kathiravetpiliai (eds.), Handbook on Tea, pp. 3–5, Tea Research Institute of Sri Lanka, Talawakelle, Sri Lanka.
no DOI — not checkedYatawatte, S.T., 1992, “A Survey of Drought Damage in the Mid Country in 1992,” Tea Bulletin 2: 8–27.
checked 2026-07-25 — re-checked daily as this page is visited;
titles and statuses come from Crossref and DataCite and are not part of the signed record
Both snippets point at the live badge image and link back to this page. The
badge re-renders from the daily check, so an embed never goes stale by more than a day of visits.