Effect of Different Base Fertilizer Treatments on Photosynthetic Rate and Transpiration Rate of Tomato in Solar Greenhouse(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effect of Different Base Fertilizer Treatments on Photosynthetic Rate and Transpiration Rate of Tomato in Solar Greenhouse

Author(s):: LU Bing; WU Wen-wen; Nantong Agricultural Vocational Technology College,Nantong,Jiangsu 226007

Keywords:: base fertilizer; photosynthetic rate; transpiration rate; tomato in solar greenhouse; sap flow

Abstract:: Taking ‘Jiafen No.18’ tomato as material，the effect of different base fertilization level and soil depth on the growth,photosynthetic rate and transpiration rate of tomato in solar greenhouse were studied.The results showed that leaves SPAD value,photosynthetic rate and transpiration rate at different growth stages had significant positive correlation under different treatments.And leaves SPAD value increased with the growth process for every treatment.The plant growth speed,photosynthetic rate and transpiration rate at different growth period with the treatment of base fertilization for 60 cm soil depth were better than the base fertilization for 30 cm soil depth treatment under the same amount of base fertilization level.The plant growth speed,photosynthetic rate and transpiration rate at full bearing period with high base fertilization level treatments were better than the low base fertilization level treatments and no fertilization under the same depth of base fertilization.All results indicated that N 1 200 kg/hm²,K 600 kg/hm²,P 600 kg/hm² base fertilization level for 30 cm surface soil and 30 cm bottom soil respectively were more recommend for the solar greenhouse tomato production.

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Last Update: 2014-08-12