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Effect of Soil Test-based Fertiliser Application on Yield and Quality of Chilli (Capsicum annuum L.) and Soil Environment

机译:测土配方施肥对辣椒产量和品质及土壤环境的影响

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Field experiment was conducted during kharif 2011 on a farmer's field in Koliwad (Hubli Taluk) village in northern transitional zone of Karnataka between 15°21' N latitude and 75°24' E longitude and at an altitude of 629 m above mean sea level (amsl). In the soil test crop response dose of 216:116:166 N:P2O5:K2O kg ha~(-1), higher dry fruit yield of chilli was obtained; yield increased from 763 kg ha~(-1) in recommended dose of fertilisers (RDF) of 100 kg N:50 kg P2O5:50 kg K2O to 1257 kg ha~(-1) in STCR-NPK, registering an increase of 39%. The highest ascorbic acid content of 151.3 mg 100g~(-1) was recorded in the STCR-NPK and it was on par with soil test-based N and K2O ± 50% and P ±25% (149.5 mg 100g~(-1)). Soil phosphatase activity (14.12 μg pnp g~(-1) h~(-1)) was significantly higher in the PSB-treated plot which also received N and K2O doses as per KSDA-STL+75% of RDP under medium level of P test values compared to untreated plots.
机译:2011年Kharif期间,在卡纳塔克邦北过渡区北纬15°21'和东经75°24'之间的Koliwad(Hubli Taluk)村的一个农民田间进行了田间试验,海拔高出平均海平面629 m( amsl)。土壤试验作物响应剂量为216:116:166 N:P2O5:K2O kg ha〜(-1),可获得较高的辣椒干果产量。推荐的肥料剂量(RDF)为100 kg N:50 kg P2O5:50 kg K2O时,产量从763 kg ha〜(-1)增加到STCR-NPK中的1257 kg ha〜(-1),增加了39 %。 STCR-NPK中最高抗坏血酸含量为151.3 mg 100g〜(-1),与基于土壤试验的N和K2O±50%和P±25%(149.5 mg 100g〜(-1)相当))。在PSB处理的样地中,土壤磷酸酶活性(14.12μgpnp g〜(-1)h〜(-1))明显更高,在中等水平的KSDA-STL + RDP的75%的情况下,还接受了N和K2O剂量。 P测试值与未处理地块的比较。

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