Abstract

In Taiwan, Kaohsiung and Pingtung districts are the main cultivating areas of waxapple in Taiwan. The quality of waxapple is commonly involved in appropriate fertilization. Therefore, the demonstration orchards were established in Kaohsiung and Pingtung districts. This research was conducted to the effects of sod culture and management of soil moisture on the improvement of waxapple quality. The results showed that soil properties in the districts of two kinds of sod culture (Alternanthera philoxeroidex Mart. and Wedelia chinensis Merr.) were excellent than that of non-sod culture, and the harvesting fruit quality were higher for two areas of sod culture than non-sod cultivature. The treatment of moisture control by tensiometer (TM) on soil available elements, the concentration of leaf elements and fruit color were all highest, and fruits cracking percentage were lowest than other treatments in shallow soil. On the other hand, the effect of furrowed and immersed (FI) on soil available elements, the concentration of leaf elements and fruit color were all highest, and the fruit cracking percentage was lowest than other treatments in alluvial soil. The results showed that the quality of waxapple could be improved by treating with sod culture and the management of soil moisture. Key words: Soil properties, tensiometer, furrow, immerse.

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