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()

图2. 施磷量对棉花地上生物量磷浓度变化的影响(2017年)

Fig. 2. Effects of phosphorus application on the dynamics changes of aboveground biomass phosphorus content in 2017