硅渣土壤调理剂施用对设施番茄产量和土壤磷素吸收影响研究
Study on Effect of Application of Silica Slag Soil Conditioner on Yield and Soil Phos-phorus Absorption in Greenhouse Tomato

DOI: 10.12677/HJAS.2019.912164, PP. 1157-1161

Keywords: 番茄，硅渣调理剂，产量，吸磷量
Tomato, Silicon Slag Conditioner, Production, Phosphorus Uptake

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Abstract:

本试验研究硅渣调理剂不同施用量对番茄产量、植株生物量及吸磷量的影响，共设计五种施硅渣水平，施用量分别为0、10、20、30、50 kg (SiO₂)/亩。研究结果表明，番茄产量随硅渣施用量增多出现先增大后减小的现象，产量最多的是Si1处理的8181.72 (kg/亩)即每亩施用纯SiO₂ 10 kg，生物量方面的表现为各处理间番茄植株干生物量无明显差异。选取收获期番茄进行吸磷量的测定发现：番茄果实及番茄总吸磷量的表现为添加硅渣调理剂均高于不施用硅渣调理剂处理，但无显著差异，番茄植株吸磷量上Si3、Si4处理较CK处理之间有显著差异(P < 0.05)，表现最好的为Si4处理即每亩施用纯SiO₂ 50 kg的处理。综合各项指标来看，施用硅渣调理剂对番茄生长和磷素吸收具有一定的积极作用，对番茄有增产的效果。
Different doses of silica slag conditioner were conducted to study the yield, plant biomass and P absorption of tomato. Different treatments of silica slag application levels are as follows: 0, 10, 20, 30 and 50 kg (SiO₂)/667m². The results showed that the yield of tomato increased firstly and then decreased with the increase of Si slag. The highest yield was 8181.72 (kg/667m²) treated with Si1, that is, 10 kg pure SiO₂ was applied to each 667 m². There was no significant difference among treatments in the dry biomass of tomato. Compared with the control without silicon slag, both the total P uptake of tomato fruit and the one of tomato plant were higher in the treatments of adding silicon slag, but there was no significant difference between the treatments and the control. Compared with the control, the treatments of Si3 and Si4 had significant difference in P uptake of tomato plant (P < 0.05). The best treatment was Si4, i.e. 50 kg pure SiO₂/667m². The conclusion was that the application of silicon slag conditioner had a certain positive effect on tomato growth and the P absorption, and at last has an effect on tomato production.

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