济宁地区稻茬麦是随着1964年稻改而产生的,总面积约20万亩。随着生产条件的改变,单产由70年代的200公斤/亩左右提高到80年代的300公斤/亩左右。1992年平均亩产高达388.6公斤。其中有5万亩丰产方平均亩产447.3公斤,150余亩单产突破500公斤,3.4亩平均亩产达到581公斤。稻 Jining area rice stubble wheat is changed with the 1964 rice produced, with a total area of ​​about 200000 acres. As production conditions changed, yields rose from about 200 kg / ac in the 1970s to about 300 kg / ac in the 1980s. In 1992, the average yield per mu was 388.6 kilograms. Among them, there are 447.3 kilograms of average yield per mu of 50,000 mu of high yield side, 500 kilograms of yield of more than 150 mu and average yield of 581 kilos of 3.4 mu. rice