紫溪造纸厂,位于铅山县紫溪公社。该厂利用碱液造纸,每日排出大量碱性有机废液。为了变废为宝,当地贫下中农发扬敢想敢干的革命精神,试验造纸废液灌溉改良红壤低产田,获得很好效果,使用面积迅速扩大。几年来附近数百亩红壤性低产田,由于长年用废液灌溉,土壤累积了大量的有机质,土质由红变黑,产量连年增加,亩产由三百来斤提到千斤以上。但是,也随之带来了一个问题,在部分群众中,耽心造纸废液碱 Zixi Paper Mill, located in Zishan County Purple Creek commune. The plant makes use of lye paper, a large number of alkaline discharge of organic waste. In order to turn waste into treasure, the poor and middle peasants in the region promoted the revolutionary spirit of daring to think and dare to do so. Experimental paper waste was irrigated to improve low-yielding red soils with low yield and achieved good results. The area under its use rapidly expanded. In recent years, hundreds of mu of red soil near the low-yielding fields, due to long-term irrigation with waste, the soil accumulated a large number of organic matter, soil from red to black, production increased year after year, mu yield from three hundred pounds to mention more than pounds. However, along with it, a problem arises in which some people worry about the waste of papermaking caustic soda