【摘要】 正交试验表明 ,在试验条件下 ,制约鲁梅克斯 K- 1杂交酸模生长和产量的肥料关键因子是 N肥。增施 N肥既可以提高作物的生物产量 ,又可在一定程度增加其粗蛋白含量 ,结果使粗蛋白产量显著提高。 N3( 80 0 kg.hm-2 )和 N2 ( 60 0 kg.hm-2 )的粗蛋白产量差异不显著 ,但分别比 N1( 4 0 0 kg.hm-2 )的粗蛋白产量极显著地增加 34 .85%和 2 5.99%。肥料类型也影响显著 ,NH4 - N对作物较为有利。磷肥和钾肥的影响不显著。试验确定的最佳肥料组配为 F1N2 P1K1( NH4 - N,N∶ P2 O5∶ K2 O=60 0∶ 150∶ 0 kg.hm-2 )。更多还原

【Abstract】 The experiment showed that under the experimental conditions, one of key factors for growth and yield of Rumex K 1 hybrid dock was fertilizer N, increase of N rate increased dry yield of the crop and its protein content, and further resulted in increase of protein yield. Compared with treatment N 1, protein yields relatively increased 34.85% and 25.99% under N 3 and N 2 treatments respectively, but the differences between N 3 and N 2 treatments were not significant. Source of fertilizer N had a significant effect and NH + 4 N was better for the crop. No significant effect was observed with fertilizer P and K. The optimal ratio of NH + 4 N∶P 2O 5∶K 2O was 600∶150∶0kg·hm -2 .更多还原