7 extractive question-and-answer pairs built from Ameliorative effects of press mud and gypsum on soil quality, growth and physiology of guava (Psidium guajava) cultivar Hisar Safeda under RSC water irrigation | The Indian Journal of Agricultural Sciences, published by epubs.icar.org.in. Source-evidenced topics include press mud, gypsum, soil quality, guava, psidium guajava, hisar safeda, rsc water irrigation, sodic water. Every answer is a verbatim span of text the source prints, and each row carries the passage it sits in, its offset in that passage, the source quote, the page and the location in the document, so any row can be checked against the original. Question types in the export: 3 factual, 2 relationship, 1 comparison, 1 list. 4 of the 7 pairs (57.1%) ask explanatory questions; the remaining 3 are factual or table-based questions. 100.00% of rows pass the corpus quality gate.
This dataset examines the impact of sodic water irrigation on soil quality, growth, and physiological traits of the guava cultivar Hisar Safeda. It includes seven question-and-answer pairs derived from a study conducted at ICAR-Central Soil Salinity Research Institute, Karnal, Haryana, between 2021 and 2023. The study tested residual sodium carbonate (RSC) levels in irrigation water, with or without amendments like press mud and gypsum, on guava cultivation. Gypsum was found to outperform press mud in improving soil and plant traits under sodic conditions.
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df = desidata.load("epubs-icar-org-in-8befdb2ef366d2922f36d257267f996a")
df.head()First 7 of 7 rows
| question | answer | context | answer_start | question_type | knowledge_quality_score | source_document | source_quote | source_page | source_location | confidence | validation_status |
|---|---|---|---|---|---|---|---|---|---|---|---|
| What impact did increasing residual sodium carbonate levels have on soil pH and nutrient availability? | raised soilpH but reduced nitrogen and phosphorus availability | The results demonstrated that increasing RSC levels raised soilpH but reduced nitrogen and phosphorus availability, significantly impacting growth and physiological parameters. Growth and physiological traits declined with higher RSC, with the lowest values at 7.5 meq/L without amendments. proline content and antioxidant enzyme activities increased under elevated sodicity, reflecting stress responses. Amendments improved growth, physiological and biochemical traits at all RSC levels, with gypsum outperforming press mud, likely by supplying essential nutrients and improving soil ionic balance. Results indicated that Hisar Safeda could be irrigated with sodic water up to RSC ~2.5 meq/L with amendments without any noticeable reduction in growth and physiological parameters, suggesting it as a viable sustainable practice for guava cultivation under sodic conditions. | 52 | relationship | 0.970 | https://epubs.icar.org.in/index.php/IJAgS/article/view/168985 | The results demonstrated that increasing RSC levels raised soilpH but reduced nitrogen and phosphorus availability, significantly impacting growth and physiological parameters. | p[0] | 0.700 | valid | |
| What is the critical threat posed by residual sodium carbonate in irrigation water to agricultural sustainability? | it deteriorates soil structure and fertility due to high sodium concentration. | Presence of Residual sodium carbonate (RSC) in irrigation water is a critical threat to agricultural sustainability as it deteriorates soil structure and fertility due to high sodium concentration. This experiment was conducted during 2021 to 2023 at ICAR-Central Soil Salinity Research Institute, Karnal, Haryana to evaluate the effects of sodic water irrigation with or without amendments (press mud and gypsum) on soil quality, growth, physiological and biochemical parameters of guava (Psidium guajavaL.) cultivar Hisar Safeda. Ten different treatments including best available water (non-sodic water as control) and 3 RSC levels (2.5, 5.0 and 7.5 meq/L) with or without amendments were arranged in RBD with five replications. | 119 | relationship | 0.970 | https://epubs.icar.org.in/index.php/IJAgS/article/view/168985 | Presence of Residual sodium carbonate (RSC) in irrigation water is a critical threat to agricultural sustainability as it deteriorates soil structure and fertility due to high sodium concentration. This experiment was conducted during 2021 to 2023 at ICAR-Central Soil Salinity Research Institute, Karnal, Haryana to evaluate the effects of sodic water irrigation with or without amendments (press mud and gypsum) on soil quality, growth, physiological and biochemical parameters of guava (Psidium guajavaL.) cultivar Hisar Safeda. | ||||
| Which amendment outperformed the other in improving growth, physiological, and biochemical traits under sodic conditions? | gypsum | The results demonstrated that increasing RSC levels raised soilpH but reduced nitrogen and phosphorus availability, significantly impacting growth and physiological parameters. Growth and physiological traits declined with higher RSC, with the lowest values at 7.5 meq/L without amendments. proline content and antioxidant enzyme activities increased under elevated sodicity, reflecting stress responses. Amendments improved growth, physiological and biochemical traits at all RSC levels, with gypsum outperforming press mud, likely by supplying essential nutrients and improving soil ionic balance. Results indicated that Hisar Safeda could be irrigated with sodic water up to RSC ~2.5 meq/L with amendments without any noticeable reduction in growth and physiological parameters, suggesting it as a viable sustainable practice for guava cultivation under sodic conditions. | 494 | comparison | 0.840 | https://epubs.icar.org.in/index.php/IJAgS/article/view/168985 | Amendments improved growth, physiological and biochemical traits at all RSC levels, with gypsum outperforming press mud, likely by supplying essential nutrients and improving soil ionic balance. | ||||
| What were the amendments used in the experiment on sodic water irrigation? | press mud and gypsum | Presence of Residual sodium carbonate (RSC) in irrigation water is a critical threat to agricultural sustainability as it deteriorates soil structure and fertility due to high sodium concentration. This experiment was conducted during 2021 to 2023 at ICAR-Central Soil Salinity Research Institute, Karnal, Haryana to evaluate the effects of sodic water irrigation with or without amendments (press mud and gypsum) on soil quality, growth, physiological and biochemical parameters of guava (Psidium guajavaL.) cultivar Hisar Safeda. Ten different treatments including best available water (non-sodic water as control) and 3 RSC levels (2.5, 5.0 and 7.5 meq/L) with or without amendments were arranged in RBD with five replications. | 392 | list | 0.740 | https://epubs.icar.org.in/index.php/IJAgS/article/view/168985 | This experiment was conducted during 2021 to 2023 at ICAR-Central Soil Salinity Research Institute, Karnal, Haryana to evaluate the effects of sodic water irrigation with or without amendments (press mud and gypsum) on soil quality, growth, physiological and biochemical parameters of guava (Psidium guajavaL.) cultivar Hisar Safeda. | ||||
| What design was used for arranging the treatments in the sodic water irrigation experiment? | RBD with five replications | Presence of Residual sodium carbonate (RSC) in irrigation water is a critical threat to agricultural sustainability as it deteriorates soil structure and fertility due to high sodium concentration. This experiment was conducted during 2021 to 2023 at ICAR-Central Soil Salinity Research Institute, Karnal, Haryana to evaluate the effects of sodic water irrigation with or without amendments (press mud and gypsum) on soil quality, growth, physiological and biochemical parameters of guava (Psidium guajavaL.) cultivar Hisar Safeda. Ten different treatments including best available water (non-sodic water as control) and 3 RSC levels (2.5, 5.0 and 7.5 meq/L) with or without amendments were arranged in RBD with five replications. | 703 | factual | 0.490 | https://epubs.icar.org.in/index.php/IJAgS/article/view/168985 | Ten different treatments including best available water (non-sodic water as control) and 3 RSC levels (2.5, 5.0 and 7.5 meq/L) with or without amendments were arranged in RBD with five replications. | p[0] | 0.700 | ||
| What residual sodium carbonate level can Hisar Safeda guava tolerate with amendments without noticeable reduction in growth and physiological parameters? | RSC ~2.5 meq/L | The results demonstrated that increasing RSC levels raised soilpH but reduced nitrogen and phosphorus availability, significantly impacting growth and physiological parameters. Growth and physiological traits declined with higher RSC, with the lowest values at 7.5 meq/L without amendments. proline content and antioxidant enzyme activities increased under elevated sodicity, reflecting stress responses. Amendments improved growth, physiological and biochemical traits at all RSC levels, with gypsum outperforming press mud, likely by supplying essential nutrients and improving soil ionic balance. Results indicated that Hisar Safeda could be irrigated with sodic water up to RSC ~2.5 meq/L with amendments without any noticeable reduction in growth and physiological parameters, suggesting it as a viable sustainable practice for guava cultivation under sodic conditions. | 678 | factual | 0.490 | https://epubs.icar.org.in/index.php/IJAgS/article/view/168985 | Results indicated that Hisar Safeda could be irrigated with sodic water up to RSC ~2.5 meq/L with amendments without any noticeable reduction in growth and physiological parameters, suggesting it as a viable sustainable practice for guava cultivation under sodic conditions. | ||||
| How many RSC levels (2.5, 5.0 and 7.5 meq/L) with or without amendments were arranged in RBD with five replications? | 3 | This experiment was conducted during 2021 to 2023 at ICAR-Central Soil Salinity Research Institute, Karnal, Haryana to evaluate the effects of sodic water irrigation with or without amendments (press mud and gypsum) on soil quality, growth, physiological and biochemical parameters of guava (Psidium guajavaL.) cultivar Hisar Safeda. Ten different treatments including best available water (non-sodic water as control) and 3 RSC levels (2.5, 5.0 and 7.5 meq/L) with or without amendments were arranged in RBD with five replications. The results demonstrated that increasing RSC levels raised soilpH but reduced nitrogen and phosphorus availability, significantly impacting growth and physiological parameters. | 48 | factual | 0.370 | https://epubs.icar.org.in/index.php/IJAgS/article/view/168985 | Ten different treatments including best available water (non-sodic water as control) and 3 RSC levels (2.5, 5.0 and 7.5 meq/L) with or without amendments were arranged in RBD with five replications. | p[0] | 0.800 | valid |
Read straight from the file — download or use the API URL for the full dataset.
| p[0] |
| 0.700 |
| valid |
| p[0] |
| 0.700 |
| valid |
| p[0] |
| 0.700 |
| valid |
| valid |
| p[0] |
| 0.700 |
| valid |