Hansa Kumawat, D. P. Singh, K. K. Yadav, Neha Khardia, Surendra Dhayal, Sonal Sharma, Kriti Sharma, Archana Kumawat
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引用次数: 0
摘要
2019- 2020年rabi期间，在乌代浦尔拉贾斯坦农业学院农学指导农场进行了一项田间试验，研究了肥力水平和液体生物肥料对小麦土壤化学性质和养分吸收的影响。这些处理包括四个水平的肥力(即对照、75、100和125% RDF)和四个水平的液体生物肥料(即不接种、固氮菌、PSB和固氮菌+ PSB)。以小麦品种拉吉4238为试验作物，采用因子随机区组设计，设3个重复。N:P2O5:K2O的推荐用量(RDF)为100:60:40 kg ha-1。结果表明，随着肥力和液体生物肥料水平的增加，小麦收获后土壤速效养分(氮、磷、钾)和氮、磷、钾、硫和微量元素(Cu、Zn、Fe、Mn)的吸收量均显著增加，分别达到100% RDF和固氮菌+ PSB。
Response of Fertility Levels and Liquid Biofertilizers on Soil Chemical Properties and Nutrient Uptake under Wheat (Triticum aestivum L.) Crop
A field experiment was conducted during rabi 2019-20 at Instructional Farm of Agronomy, Rajasthan College of Agriculture, Udaipur to examine the effect of fertility levels and liquid biofertilizers on soil chemical properties and nutrient uptake by wheat. The treatments comprised of four levels of fertility (i.e. control, 75, 100 and 125% RDF) and four levels of liquid biofertilizers (i.e. no inoculation, Azotobacter, PSB and Azotobacter + PSB). Experiment was laid out in Factorial Randomized Block Design with three replication taking wheat var Raj 4238 as test crop. The recommended dose of fertilizer (RDF) was 100:60:40 kg ha-1 of N:P2O5:K2O. The results revealed that significant increase in available primary nutrient (nitrogen, phosphorus and potassium) in post harvest soil of wheat and also significantly increase in nitrogen, phosphorus, potassium, sulfur and micronutrients (Cu, Zn, Fe and Mn) uptake by wheat with increasing levels of fertility and liquid biofertilizers up to the 100% RDF and Azotobacter + PSB respectively.
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