Harvest foundation nn9/18/2023 ![]() ![]() The main plant and allowing the daughter plants to regrow for the next harvest.Īs taro plants grow rapidly in this region this harvesting can occur every 14ĭays. Taro plantations in Central Vietnam are frequently harvested by cutting out Harvested in autumn (740 mg/100 g versus 530 mg/100 g FW). (growing more slowly and more mature) were higher than in rapidly growing leaves Showed that the oxalate concentration in spinach leaves harvested in winter Related observations were made by Watanabe et al (1994) who Studies carried out earlier (Oscarsson and Savage 2007 Savage etĪl 2000) showed that the total oxalate content of older taro leaves was higherĬompared to freshly-harvested young leaves (589 mg compared to 443 mg/100 gįresh weight). Have not been investigated, and it is possible that the levels may change as the The oxalate contents of the regrowth of maturing petioles and leaves of taro Minerals unavailable (Oscarsson and Savage 2007 Savage et al 2000). With Ca ++, Fe ++ and Mg ++, rendering these Taro leaves and stems have high oxalate content as non-absorbable salts TwoĬultivars, Ao Trang and Mon Ngot, are more commonly fed to pigs (Hang et alĢ017). In Central Vietnam, there are seven main cultivars of taro ( ColocasiaĮsculenta L) grown extensively as tubers for human consumption. ![]() Key words: clay soil, leaves, petioles, repeated harvest, sandy soils This trend was less uniform for insoluble oxalates in leaves. Planting) and then decreased linearly over the five succeeding harvests atġ4-day intervals. Soluble oxalate in petioles were highest in the first harvest (30 days after Soluble and insoluble oxalate levels in petioles and Trang than in the Mon Ngot variety but did not differ between plants grown in Oxalate levels were consistently higher in the Ao Levels and degree of difference (insoluble/soluble) were much greater for Oxalates independent of variety, soil type and age at harvest. Levels of insoluble oxalates were almost twice as high as those for soluble Yield of the leaves was larger than the dry matter yield of petioles. A significant drop in biomass yield was observedįor the harvest taken after 86 days of growth. Increased linearly over three harvests at 14-day intervals following the initial The biomass yield of the petioles and the leaves of the two taro cultivars Soils, were determined when the plants were subjected to repeated harvests at Petioles of two taro cultivars (Ao Trang and Mon Ngot), grown on clay or sandy The biomass yield and total and soluble oxalate contents of leaves and Effect of variety, soil type and harvest interval on biomass yield and soluble and insoluble oxalates in taro (Colocasia esculenta L.) foliage Livestock Research for Rural Development 30 (5) 2018Įffect of variety, soil type and harvest interval on biomass yield and soluble and insoluble oxalates in taro ( Colocasia esculenta L.) foliage Du Thanh Hang, Phan Vu Hai and Geoffrey Savage 1 Faculty of Animal Husbandry and Veterinary Medicine, Hue College of Agriculture and Forestry, Hue University, Food Group, Department of Wine, Food and Molecular Biosciences, Faculty of Agriculture and Life Sciences, Lincoln University, Canterbury, New Zealand. ![]()
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