分析施钾对番茄产量及全氮、K2O和P2O5输出量的影响

IF 0.7 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE Journal of Central European Agriculture Pub Date : 2023-01-01 DOI:10.5513/jcea01/24.1.3744
V. Vasileva, I. Mitova
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引用次数: 1

摘要

番茄(Solanum lycopersicum)是一种以大量养分出口为特征的作物,因为它的集约化生长、发育、结果和高生物量生产。本研究的目的是确定单剂量和分次施用钾肥对作物收获期间土壤中氮、钾、磷输出总量的影响。在k2o含量为20.3 mg/100g、p2o含量为5.8 mg/100g、无机氮含量为19.6 mg/kg的氟伏土(FAO, ISRIC World soil)上进行了田间试验。结果表明,种植时间和钾肥处理对生物产量、氮、磷О 5和钾2o养分输出有显著影响。中早番茄植株的果实和生物量产量(61878.9和27184.9公斤/公顷)较高,养分输出率也较高。以劈裂钾(К 80+80+80)施肥处理土壤产量和总氮、钾、磷输出量最高。产量与养分输出呈线性正相关。钾肥对玉米生物产量和养分输出有显著影响(P <0.05)。
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Analyzing the effects of potassium fertilization on the yield and total N, K2O and P2O5 export of tomato plants
The tomato ( Solanum lycopersicum ) is a crop that is characterized by considerable nutrient export because of its intensive growth, development, fruiting, and high biomass production. The purpose of this study is to determine how single-dose and split potassium fertilization impact the overall amount of nitrogen, potassium, and phosphorus exported from soils during crop harvest. A field experiment was carried out on Fluvosol (FAO, ISRIC World Soils) with K 2 O content of 20.3 mg/100g, P 2 O 5 content of 5.8 mg/100g, and mineral N of 19.6 mg/kg. It was found that the biological yield and N, P 2 О 5 and K 2 O nutrient export are significantly influenced by planting time and potassium fertilization treatments. Higher tomato fruit and biomass yields (61878.9 and 27184.9 kg/ha), along with higher nutrient export rates were observed in mid-early tomato plants. The highest yield and total N, K 2 O and P 2 O 5 export from the soil was measured at split potassium (К 80+80+80 ) fertilization treatment. A positive linear correlation between yield quantity and nutrient export was observed. The biological yield and nutrient export were shown to be significantly impacted by potassium fertilization ( P <0.05).
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来源期刊
Journal of Central European Agriculture
Journal of Central European Agriculture AGRICULTURE, DAIRY & ANIMAL SCIENCE-
CiteScore
1.40
自引率
14.30%
发文量
46
审稿时长
50 weeks
期刊介绍: - General agriculture - Animal science - Plant science - Environment in relation to agricultural production, land use and wildlife management - Agricultural economics and rural development
期刊最新文献
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