Browsing by Author "Petch, T."
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Item Artificial farmyard manure(Tea Research Institute. halawakele, 1928) Petch, T.Item Blister blight in India(Tea Research Institute. halawakele, 1928) Petch, T.Item Callus(Tea Research Institute. halawakele, 1928) Petch, T.Item The absorption of moisture by made tea(Tea Research Institute. halawakele, 1928) Petch, T.Item The insulation of driers(Tea Research Institute. halawakele, 1928) Petch, T.Item The parasitism of tea root disease fungi(Tea Research Institute. halawakele, 1928) Petch, T.Item The technology of tea(Tea Research Institute. halawakele, 1928) Petch, T.Item Wound gum(Tea Research Institute. halawakele, 1928) Petch, T.