不同磷敏感棉花品种临界磷浓度稀释模型与磷营养诊断

庞保刚,曹楠,周治国,赵文青

Critical Phosphorus Concentration Dilution Model and Phosphorus Nutrition Diagnosis in Two Cotton Cultivars with Different Phosphorus Sensitivity

PANG BaoGang,CAO Nan,ZHOU ZhiGuo,ZHAO WenQing

表2 棉花磷稀释模型的参数值

Table 2 The parameters of phosphorus dilution model

品种 Variety 磷稀释模型 Phosphorus dilution model a b R2 鲁54 Lu 54 Pmin 0.599 0.139 0.945** Pmax 0.798 0.217 0.852* Pc 0.784 0.221 0.858* 豫早棉9110 Pmin 0.584 0.320 0.978** Yuzaomian 9110 Pmax 0.782 0.201 0.838* Pc 0.774 0.198 0.845*