不同施肥处理对大棚番茄养分吸收的影响

为提高设施栽培番茄产量和肥料利用率,以金鹏1号番茄为试材,采用随机区组设计,研究了相同N、P、K配比下增加施肥量对番茄果实N、P、K吸收和产量的影响。结果表明,所有施肥处理中有2个处理达到目标产量,产量结果与养分吸收结果基本一致,均随施肥水平的提高而提高,但肥水过剩的条件下,产量与养分吸收量又呈下降趋势。综合各因素,中等土壤肥力的塑料大棚番茄春季栽培中,推荐最佳施肥量大约每667 m2施风干牛粪7 500 kg,尿素125 kg,过磷酸钙250 kg,硫酸钾84 kg。每kg番茄果实(干质量)的氮、磷和钾含量分别为20.63 g/kg4、.3 g/kg和34 g/kg。

Effect of Different Fertilizer Treatment on Nutrients Uptake of Tomato in Plastics Greenhouse

This study was to provide a theoretical foundation for further research of increasing yield and rational fertilization.This experiment designed 6 treatments using random blocks,used Jinpeng 1 tomato as the experiment material.The absorption N,P,K and yield on fruit of the increasing amount of N,P,K on same rate were studied.Results has 2 treatments reached the target yield in all fertilization level,the yield results basically identical to the results of nutrient uptake,all were remark increased by increasi...