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江西省红壤面积十分辽阔,开发和利用红壤种茶,实现高产稳产,是茶叶科研的重大课题。由于广大红壤自然条件较差,加上栽培技术发挥不够,形成了单产低,收益慢的落后状况。目前,国内茶叶单产高低悬殊非常突出,高的如广东英德红星茶场的1.54亩茶园,亩产干茶1515斤,亩产1000斤的茶园也已不罕见。但低产茶园还占很大部分,亩产不过30～40斤,主要原因是土壤肥力低,建园基础差,树型培养不合理等。
Jiangxi red soil area is very vast, the development and utilization of red soil to grow tea, to achieve high and stable yield, tea research is a major issue. Due to the poor natural conditions of the vast red soil, coupled with inadequate cultivation techniques to play, the formation of a low yield, slow recovery of the backward conditions. At present, the disparity in the level of domestic tea yield is very prominent. For example, 1.54 mu of tea plantations in Guangdong Yingde Red Star Tea Plantation, 1515 kg of dry tea per mu, and 1,000 kg of tea plantations per mu are not uncommon. However, the low-yielding tea plantation also accounts for a large part of the output per mu but it is 30-40 kg, mainly due to the low soil fertility, poor foundation for garden construction and unreasonable tree type cultivation.