Effect of Long-term Fertilization on the Material Accumulation and Distribution and Photosynthetic Characteristics of Tomatoes
The trial fertilization experiment with 12 treatments was conducted to explore the effects of fertilizations on the physiological,ecological characteristics,material accumulation and distribution and photosynthetic characteristics of tomatoes.The results show that the height,the stem diameter and the leaf area of organic fertilized plants are greater than those of inorganic fertilized plants.The height and the stem diameter increases by 3.17%~10.27% and 3.59%~18.80% respectively,and the leaf area performs NPK> NP> NK,N2> N1> No.In first harvest period,the dry matter of tomatoes increased significantly,most assigned to the fruit and leaves,least assigned to the root.The average ratios are 55.34%,25.79% and 16.61%,while the ratio in the root is 2.26%.Long-term application of inorganic nitrogen separately or combined usage of P and K fertilizer can significantly promote the chlorophyll content and photosynthetic rate of tomato leaves,especially combination with K.At the same time,K also can promote the stoma opening and strengthen the transpiration.
fertilizer treatments tomatoes matter accumulation and distribution photosynthetic characteristics
Zhang Enping Yu Xiuzhi Zhang Shuhong
College of Horticulture,Shenyang Agricultural University,Shenyang,110866,China
国际会议
The Third Conference on Horticulture Science and Technology (2012第三届园艺科学与技术学术会议(CHST2012))
北京
英文
77-81
2012-11-24（万方平台首次上网日期，不代表论文的发表时间）