滴灌下氮盐交互对加工番茄荧光特性及产量品质的影响

张继峯,王振华,张金珠,窦允清,侯裕生

The Influences of Different Nitrogen and Salt Levels Interactions on Fluorescence Characteristics, Yield and Quality of Processed Tomato Under Drip Irrigation

JiFeng ZHANG,ZhenHua WANG,JinZhu ZHANG,YunQing DOU,YuSheng HOU

表2 2017—2018年灌水施肥试验设计

Table 2 Irrigation and fertilizer design of 2017-2018

年份 Year 生育时期 Growth stage 日期 Date (M-d) 灌水处理 Irrigation treatment 施肥处理 Fertilization treatment 灌水量 Irrigation volume (mm) 灌水次数 Irrigation frequency 氮素Nitrogen (g/pot) 磷酸一铵 NH4H2PO4 (g/pot) 氯化钾 KCl (g/pot) 施肥次数 Fertilization frequency N1 N2 N3 N4 2017 苗期 Seedling period 05-03—05-31 50 1 0.60 0.49 0.39 0.28 0.67 0.67 1 开花坐果期 Blooming and fruit period 06-01—06-21 150 3 1.79 1.48 1.17 0.85 2 2 3 果实膨大期 Enlargement period 06-22—07-31 200 4 2.38 1.97 1.55 1.15 2.68 2.68 4 成熟期 Mature period 08-01—08-20 50 1 — — — — — — — 全生育期 The whole growth period — 450 9 4.77 3.94 3.11 2.28 5.35 5.35 8 2018 苗期 Seedling period 04-30—05-27 50 1 0.60 0.49 0.39 0.28 0.67 0.67 1 开花坐果期 Blooming and fruit period 05-28—06-22 150 3 1.79 1.48 1.17 0.85 2 2 3 果实膨大期 Enlargement period 06-23—07-26 200 4 2.38 1.97 1.55 1.15 2.68 2.68 4 成熟期 Mature period 07-27—08-15 50 1 — — — — — — — 全生育期 The whole growth period — 450 9 4.77 3.94 3.11 2.28 5.35 5.35 8