论文部分内容阅读
曲阜市经过3年对大枣进行丰产技术开发试验,使大面积枣树恢复了正常生长,产量、质量和经济效益都有明显提高。示范区单株产量由开发前1987年的2.1kg提高到7.5kg,好果率由65％提高到97％;大区开发株产达到5.6kg,好果率提高到92％。1990年示范区、大区总产值分别是1987年的4.3倍和4.01倍。
Qufu City, after three years of high-yield dates on the development of large-scale technology research and development, so that large areas of jujube returned to normal growth, yield, quality and economic benefits have improved significantly. In the demonstration area, the yield per plant increased from 2.1kg in 1987 to 7.5kg in 1987, the good fruit rate increased from 65% to 97%, and that in the developed area reached 5.6kg and the good fruit rate increased to 92%. Demonstration zone in 1990, the total output value of the region were in 1987 4.3 times and 4.01 times.