有机肥与土壤调理剂对连作甘薯生长发育及土壤肥力的影响

刘亚军, 逯昀, 王文静, 胡启国, 储凤丽, 李志杰

Effects of Organic Fertilizer and Soil Conditioner on the Growth and Development of Continuous Cropping Sweet Potato and Soil Fertility

Liu Yajun, Lu Yun, Wang Wenjing, Hu Qiguo, Chu Fengli, Li Zhijie

表1 不同施肥措施对甘薯叶片SPAD值及光合特性的影响

Table 1 Effects of different fertilization measures on SPAD values and photosynthetic characteristics of sweet potato leaves

处理Treatment SPAD值SPAD value Pn [μmol/(m2·s)] Gs [mol/(m2·s)] Ci (μmol/mol) Tr [mmol/(m2·s)] CK 44.36±3.58d 14.42±0.97c 0.35±0.02d 252.16±13.38a 10.14±0.75b SF 47.62±2.80c 14.92±0.81bc 0.38±0.01c 241.09±17.51ab 10.58±0.61b SBF 50.05±3.15ab 15.76±1.16a 0.41±0.03b 226.17±14.08cd 11.24±0.84a FBF 52.36±1.94a 15.88±1.05a 0.44±0.02a 220.38±14.45d 11.47±0.89a FC 49.57±2.53bc 15.61±0.89ab 0.45±0.01a 237.33±16.07bc 11.15±0.97a