{ "schema_version": 1, "collection": "FieldSabi Nigeria agricultural reference collection", "sources": [ { "id": "iita_maize_2020", "title": "Guide to Maize Production in Northern Nigeria (Revised Edition 2020)", "publisher": "International Institute of Tropical Agriculture (IITA)", "year": 2020, "url": "https://biblio.iita.org/documents/U20BkKamaraMaizeNothomNodev.pdf-0fe7595936d0dfc6f3535474610e8cbe.pdf", "format": "pdf", "language": "en", "topics": [ "maize", "planting", "soil", "pests", "harvesting", "storage" ], "geography": [ "Northern Nigeria" ], "include_pdf_pages": [ [ 8, 19 ], [ 21, 22 ] ], "review_status": "source_checked", "scope_note": "Northern Nigerian savannas; planting calendars and varieties do not automatically apply to southern Nigeria. Detailed herbicide tables and fumigation instructions are excluded from the starter index.", "rights_note": "Publisher PDF is publicly accessible. No blanket redistribution/commercial licence is asserted; consult the publisher's terms. Downloads remain local and are excluded from the code bundle.", "sha256": "91fa0f5142b5a6b75033edcdcde7797c56c6cc922a2d0206acb9e9e53a612d80", "source_checked_on": "2026-09-28" }, { "id": "iita_cassava", "title": "Cassava system cropping guide", "publisher": "CABI / Africa Soil Health Consortium; hosted by IITA", "year": 2014, "url": "https://biblio.iita.org/documents/U14ManHauserCassavaNothomDev.pdf-17f44bfa7d7f043e272fa389a4e9ef59.pdf", "format": "pdf", "language": "en", "topics": [ "cassava", "planting", "soil", "intercropping", "weeds", "harvesting", "farm_business" ], "geography": [ "Sub-Saharan Africa" ], "include_pdf_pages": [ [ 6, 31 ], [ 50, 60 ] ], "review_status": "source_checked", "scope_note": "Regional cropping-system guidance; confirm local conditions. Detailed fertilizer calculations and lookup tables are outside this starter index. Historical economic examples are not current prices.", "rights_note": "CC BY 3.0, as stated on PDF page 2. Attribute Hauser, S. et al. (2014), Cassava system cropping guide, Africa Soil Health Consortium, Nairobi. https://creativecommons.org/licenses/by/3.0/", "sha256": "e3021366052c7747befb14474ea9aa53c930270f8437b99244fd052720a42d24", "source_checked_on": "2026-09-28", "local_path": "publications/iita_cassava.pdf" }, { "id": "iita_cowpea_2018", "title": "Guide to Cowpea Production in West Africa", "publisher": "International Institute of Tropical Agriculture (IITA)", "year": 2018, "url": "https://biblio.iita.org/documents/U18BkOmoiguiGuideNothomDev.pdf-e8e868ef1c4a99866b82f5c387311694.pdf", "format": "pdf", "language": "en", "topics": [ "cowpea", "planting", "soil", "pests", "harvesting", "storage" ], "geography": [ "West Africa", "Nigeria" ], "include_pdf_pages": [ [ 9, 27 ], [ 29, 29 ], [ 32, 46 ], [ 55, 58 ] ], "review_status": "source_checked", "scope_note": "Country-specific varieties and schedules require checking the passage's country. Fertilizer/herbicide rate tables and detailed chemical treatment/storage sections are excluded.", "rights_note": "Publisher PDF is publicly accessible. Consult the publication and IITA terms for reuse; no blanket commercial licence is asserted.", "sha256": "a42533a71515f27ba649f41049f58e51a3a2b4656eba5df3ae1cf6fd5d0b96e8", "source_checked_on": "2026-09-28" }, { "id": "fao_save_grow_2011", "title": "Save and Grow: A policymaker's guide to sustainable intensification of smallholder crop production", "publisher": "Food and Agriculture Organization of the United Nations (FAO)", "year": 2011, "url": "https://www.fao.org/4/i2215e/i2215e.pdf", "format": "pdf", "language": "en", "topics": [ "soil", "water", "irrigation", "pests", "crop_rotation", "farming_systems", "seeds" ], "geography": [ "Global" ], "include_pdf_pages": [ [ 29, 38 ], [ 41, 50 ], [ 53, 64 ], [ 65, 76 ], [ 79, 88 ] ], "review_status": "source_checked", "scope_note": "General principles and international case studies, not a Nigeria-specific field prescription. This is a 2011 policy/reference guide, not current weather or regulatory information.", "rights_note": "The PDF states all rights reserved and describes permissions for reproduction. Original documents and extracted text are excluded from the distributable code bundle; consult FAO before redistribution.", "sha256": "a9bc28218c52c52e78d0740a799fd12b3e55bf7586d55a394e576826ebb9df72", "source_checked_on": "2026-09-28" }, { "id": "fao_poultry_2004", "title": "Small-scale poultry production: technical guide (feed and housing sections)", "publisher": "Food and Agriculture Organization of the United Nations (FAO)", "year": 2004, "url": "https://www.fao.org/4/y5169e/y5169e00.pdf", "format": "pdf", "language": "en", "topics": [ "poultry", "livestock", "feeding", "housing", "water", "husbandry" ], "geography": [ "Global", "Smallholder tropics" ], "include_pdf_pages": [ [ 17, 40 ] ], "review_status": "source_checked", "scope_note": "Only feed resources and general management/housing sections from this PDF part are indexed. Historical husbandry reference; no veterinary treatment chapter or current vaccination schedule is included. Poultry coverage does not imply cattle/goat/fish coverage.", "rights_note": "FAO 2004 allows attributed educational/non-commercial reproduction; commercial reproduction requires permission (publication HTML front matter).", "sha256": "e38c962e6134c4ec9d7aa90e3232974ad0179b6a4f5add25537923a5cdc5b0c2", "source_checked_on": "2026-09-28" }, { "id": "naerls_maize_2014", "title": "Maize Production, Marketing, Processing & Utilization in Nigeria (Bulletin 217)", "publisher": "National Agricultural Extension and Research Liaison Services (NAERLS), Ahmadu Bello University", "year": 2014, "url": "https://naerls.gov.ng/wp-content/uploads/2022/11/MAIZE-Production-Marketing-Processing-Utilization-In-Nigeria.pdf", "format": "pdf", "language": "en", "topics": [ "maize", "planting", "soil" ], "geography": [ "Nigeria" ], "review_status": "source_checked", "scope_note": "Selected southern land preparation, rainfall and seed-sourcing guidance. Forest/savanna calendar lists, historical variety tables, doses and chemical storage instructions excluded.", "rights_note": "Public publisher download; no blanket redistribution or commercial licence is asserted. Consult publisher terms. Full text and raw PDFs are excluded from the distributable code ZIP.", "sha256": "c63be1a191a3e267534548acc27463d30409782607366f71480405e204078347", "source_checked_on": "2026-09-30", "include_pdf_pages": [ [ 5, 5 ], [ 6, 6 ] ], "text_sections": [ { "pages": [ 5, 5 ], "label": "Southern land preparation", "geography": [ "Southern Nigeria" ], "scope_note": "Southern land preparation from a 2014 national bulletin. Southwestern farms differ in ecology. No calendar, fertilizer or pesticide prescription is indexed here.", "start": "In the southern parts", "end": "(a) (b)" }, { "pages": [ 5, 5 ], "label": "Rainfall establishment before planting", "scope_note": "General rainfed maize principle; timing depends on established rainfall, local ecology and year. Regional calendar list is deliberately excluded.", "start": "Planting date", "end": "However, optimum planting date" }, { "pages": [ 6, 6 ], "label": "Certified seed sourcing", "start": "Purchase certified seeds", "end": "Table 1" } ] }, { "id": "naerls_rice", "title": "Rice Production, Processing, Utilization and Marketing in Nigeria (Bulletin 230)", "publisher": "National Agricultural Extension and Research Liaison Services (NAERLS), Ahmadu Bello University", "year": 2014, "url": "https://naerls.gov.ng/wp-content/uploads/2022/11/Rice-Production-Processing-Utilization-and-Marketing-in-Nigeria.pdf", "format": "pdf", "language": "en", "topics": [ "rice", "planting", "soil", "water", "harvesting", "processing", "storage" ], "geography": [ "Nigeria" ], "review_status": "source_checked", "scope_note": "Selected national rice production and postharvest principles. Confirm upland/lowland/irrigated system. Calendar lists, pesticide treatments, fertilizer tables, nutrition claims and historical price sections excluded.", "rights_note": "Public publisher download; no blanket redistribution or commercial licence is asserted. Consult publisher terms. Full text and raw PDFs are excluded from the distributable code ZIP.", "sha256": "124c55b5dca7a980c17f5c36810d2da786d0dd5a9041ebc3f8bf5a2d56c7df4f", "source_checked_on": "2026-09-30", "include_pdf_pages": [ [ 3, 3 ], [ 4, 4 ], [ 14, 14 ], [ 15, 15 ], [ 16, 16 ], [ 17, 17 ] ], "text_sections": [ { "pages": [ 3, 3 ], "label": "Land preparation and water management", "start": "2.1 Land preparation", "end": "(i) Mechanization:" }, { "pages": [ 4, 4 ], "label": "Match rice variety to production environment", "start": "2.2 Variety selection", "end": "Recommended varieties" }, { "pages": [ 14, 14 ], "label": "Rice harvesting", "start": "Harvesting", "end": "Storage" }, { "pages": [ 14, 14 ], "label": "Dry and clean storage", "start": "Storage Rice paddy", "end": "To protect the paddy" }, { "pages": [ 14, 15 ], "label": "Threshing and winnowing", "start": "Steps in cottage processing:", "end": "Drying Dry the paddy" }, { "pages": [ 15, 15 ], "label": "Drying paddy", "start": "Drying Dry the paddy" }, { "pages": [ 16, 16 ], "label": "Purpose of parboiling", "start": "Parboiling:", "end": "The local parboiling devices" }, { "pages": [ 17, 17 ], "label": "Drying after parboiling", "start": "Drying after parboiling:" } ] }, { "id": "naerls_tomato", "title": "Heat-Tolerant Tomato Production under Irrigation (Bulletin 242)", "publisher": "National Agricultural Extension and Research Liaison Services (NAERLS), Ahmadu Bello University", "year": 2016, "url": "https://naerls.gov.ng/wp-content/uploads/2022/11/Heat-Tolerant-Tomato-Production-Under-Irrigation.pdf", "format": "pdf", "language": "en", "topics": [ "tomato", "planting", "irrigation", "water", "harvesting" ], "geography": [ "Northern Nigeria" ], "review_status": "source_checked", "scope_note": "Northern Nigerian irrigated heat-tolerant tomato context, revised January 2016. Not southern rainfed tomato guidance. Chemical land treatments, pesticide tables, fertilizer rates and canning procedures excluded.", "rights_note": "Public publisher download; no blanket redistribution or commercial licence is asserted. Consult publisher terms. Full text and raw PDFs are excluded from the distributable code ZIP.", "sha256": "72e1910f244067e29c5d207a7ced330355f27f179aa199a77c1fe91e532efe04", "source_checked_on": "2026-09-30", "include_pdf_pages": [ [ 5, 5 ], [ 6, 6 ], [ 15, 15 ] ], "text_sections": [ { "pages": [ 5, 5 ], "label": "Nursery and transplanting", "start": "7.0 NURSERY PROCEDURE", "end": "9.0 IRRIGATION" }, { "pages": [ 6, 6 ], "label": "Irrigation and staking", "start": "Critical stages of growth", "end": "10.0 FERTILIZER" }, { "pages": [ 15, 15 ], "label": "Timely tomato harvest", "start": "14.0 HARVESTING", "end": "The most important processing methods" } ] }, { "id": "naerls_onion", "title": "Irrigated Onion Production and Management (Bulletin 239)", "publisher": "National Agricultural Extension and Research Liaison Services (NAERLS), Ahmadu Bello University", "year": 2016, "url": "https://naerls.gov.ng/wp-content/uploads/2022/11/Irrigated-Onion-Production-And-Management.pdf", "format": "pdf", "language": "en", "topics": [ "onion", "planting", "irrigation", "water", "harvesting", "storage" ], "geography": [ "Nigeria" ], "review_status": "source_checked", "scope_note": "Irrigated onion management, revised January 2016. Verify irrigation supply, cultivar/day length and local climate. Calendar, fertilizer and pesticide recommendations excluded.", "rights_note": "Public publisher download; no blanket redistribution or commercial licence is asserted. Consult publisher terms. Full text and raw PDFs are excluded from the distributable code ZIP.", "sha256": "1d8a289d12e91727881e00ccc0eac23db1596938fc48c69b3a2b78600b1744e8", "source_checked_on": "2026-09-30", "include_pdf_pages": [ [ 3, 3 ], [ 4, 4 ], [ 6, 6 ] ], "text_sections": [ { "pages": [ 3, 3 ], "label": "Soil and land preparation", "start": "Soil type", "end": "Climatic Requirements" }, { "pages": [ 3, 3 ], "label": "Nursery establishment", "start": "Preparation of Nursery Beds" }, { "pages": [ 4, 4 ], "label": "Transplanting", "start": "Transplanting", "end": "Planting Dates" }, { "pages": [ 4, 4 ], "label": "Weeding and water management", "start": "Weed Control", "end": "Pests and Diseases" }, { "pages": [ 6, 6 ], "label": "Harvest and curing", "start": "Harvesting and Processing", "end": "Yield" } ] }, { "id": "icrisat_groundnut_2020", "title": "Handbook on Improved Agronomic Practices of Groundnut Production in North East Nigeria", "publisher": "International Crops Research Institute for the Semi-Arid Tropics (ICRISAT)", "year": 2020, "url": "https://oar.icrisat.org/11529/1/Groundnut%20Production%20Manual_printed%20version.pdf", "format": "pdf", "language": "en", "topics": [ "groundnut", "planting", "soil", "crop_rotation", "harvesting", "storage" ], "geography": [ "North East Nigeria" ], "review_status": "source_checked", "scope_note": "North East Nigeria, especially Borno and Adamawa; do not transfer regional schedules elsewhere. Chemical seed treatments, fertilizer prescriptions and insecticide sections excluded. Sorting does not prove food free of aflatoxin.", "rights_note": "Public publisher download; no blanket redistribution or commercial licence is asserted. Consult publisher terms. Full text and raw PDFs are excluded from the distributable code ZIP.", "sha256": "2101952ee19b28c616dfbd891bb7c2f328e9cd105bc83168892ec21ee3d58813", "source_checked_on": "2026-09-30", "include_pdf_pages": [ [ 4, 4 ], [ 5, 5 ], [ 6, 6 ], [ 7, 7 ], [ 8, 8 ], [ 9, 9 ], [ 10, 10 ], [ 14, 14 ], [ 15, 15 ] ], "text_sections": [ { "pages": [ 4, 4 ], "label": "Site and land preparation", "start": "Production Requirements" }, { "pages": [ 5, 5 ], "label": "Seed selection", "start": "Variety Choice", "end": "Table 1." }, { "pages": [ 6, 6 ], "label": "Rainfed sowing", "start": "Sowing and Sowing Date", "end": "The seed rate depends" }, { "pages": [ 7, 10 ], "label": "Harvest, drying, storage and shelling", "start": "Harvesting Groundnut" }, { "pages": [ 14, 15 ], "label": "Postharvest aflatoxin prevention", "start": "Recommended post-harvest practices" } ] }, { "id": "naerls_fish_pond", "title": "Fish Pond Site Selection and Construction (Bulletin 96)", "publisher": "National Agricultural Extension and Research Liaison Services (NAERLS), Ahmadu Bello University", "year": 1994, "url": "https://naerls.gov.ng/wp-content/uploads/2022/11/Fish-Pond-Site-Selection-and-Construction.pdf", "format": "pdf", "language": "en", "topics": [ "aquaculture", "soil", "water", "pond_site" ], "geography": [ "Nigeria" ], "review_status": "source_checked", "scope_note": "Historical earthen-pond site and soil-selection reference only. Not stocking-density, hatchery, treatment, engineering design or water-chemistry dosing guidance.", "rights_note": "Public publisher download; no blanket redistribution or commercial licence is asserted. Consult publisher terms. Full text and raw PDFs are excluded from the distributable code ZIP.", "sha256": "a29e46b479b06c35dc931457d90a89899f9cc6128cc0f21a2173c6b86b30e991", "source_checked_on": "2026-09-30", "include_pdf_pages": [ [ 6, 6 ], [ 7, 7 ], [ 8, 8 ] ], "text_sections": [ { "pages": [ 6, 6 ], "label": "Soil water retention", "start": "2.2 Nature of the Soil", "end": "a) Pervious Soil" }, { "pages": [ 7, 7 ], "label": "Impervious soils", "start": "b) Impervious Soil", "end": "c) Peaty Soils" }, { "pages": [ 8, 8 ], "label": "Soil testing" } ] }, { "id": "naerls_fish_water", "title": "Water Quality Management in Fish Culture (Bulletin 98)", "publisher": "National Agricultural Extension and Research Liaison Services (NAERLS), Ahmadu Bello University", "year": 1996, "url": "https://naerls.gov.ng/wp-content/uploads/2022/11/Water-Quality-Management-in-Fish-Culture.pdf", "format": "pdf", "language": "en", "topics": [ "aquaculture", "water", "farm_business", "record_keeping" ], "geography": [ "Nigeria" ], "review_status": "source_checked", "scope_note": "Historical monitoring and farm-record principles only. Pond type and species matter. Treatment tables, chemical corrections, informal oxygen tests, stocking-density recommendations and feeding rates excluded.", "rights_note": "Public publisher download; no blanket redistribution or commercial licence is asserted. Consult publisher terms. Full text and raw PDFs are excluded from the distributable code ZIP.", "sha256": "70086e3e5a25a94cb9984bb47d11a70d5e7c9bab087e9c5536761543310e5607", "source_checked_on": "2026-09-30", "include_pdf_pages": [ [ 21, 21 ], [ 23, 23 ], [ 49, 49 ], [ 50, 50 ] ], "text_sections": [ { "pages": [ 21, 21 ], "label": "Why monitor pond water", "start": "5.0 IMPORTANCE", "end": "iii." }, { "pages": [ 23, 23 ], "label": "Measuring water transparency", "start": "7.1.1 Measurement of Transparency" }, { "pages": [ 49, 50 ], "label": "Fish farm records", "start": "14.0 KEEPING FARM RECORDS" } ] }, { "id": "naerls_fattening", "title": "Bull and Ram Fattening (Bulletin 198): housing and equipment sections", "publisher": "National Agricultural Extension and Research Liaison Services (NAERLS), Ahmadu Bello University", "year": "undated", "url": "https://naerls.gov.ng/wp-content/uploads/2022/11/Bull-and-Ram-Fattening.pdf", "format": "pdf", "language": "en", "topics": [ "cattle", "sheep", "goats", "livestock", "housing", "husbandry" ], "geography": [ "Nigeria" ], "review_status": "source_checked", "scope_note": "Publication date not established from PDF. Only ram housing and general feedlot equipment; not a complete cattle/goat/sheep husbandry guide. Feed formulae, questionable bull-space units, veterinary procedures and historical budgets excluded.", "rights_note": "Public publisher download; no blanket redistribution or commercial licence is asserted. Consult publisher terms. Full text and raw PDFs are excluded from the distributable code ZIP.", "sha256": "e45016e50ea9ed7feba1befeb30ff843c8dd6e7fe8140d6f24999e0c13c7664c", "source_checked_on": "2026-09-30", "include_pdf_pages": [ [ 6, 6 ], [ 7, 7 ] ], "text_sections": [ { "pages": [ 6, 6 ], "label": "Ram housing and ventilation", "start": "Construct simple and inexpensive housing" }, { "pages": [ 7, 7 ], "label": "Feedlot equipment" } ] }, { "id": "nihort_amaranth", "title": "Amaranth Production Guide", "publisher": "National Horticultural Research Institute (NIHORT), Nigeria", "year": "undated", "url": "https://nihort.gov.ng/wp-content/uploads/2020/12/AMARANTH-PRODUCTION-GUIDE.pdf", "format": "pdf", "language": "en", "topics": [ "amaranth", "vegetables", "planting", "soil", "water", "weeds", "harvesting" ], "geography": [ "Nigeria" ], "review_status": "source_checked", "scope_note": "NIHORT Nigerian leafy-vegetable guidance; date not printed in retrieved guide. Upload path is not a publication year. Detailed fertilizer prescriptions and poorly extracted density units excluded.", "rights_note": "Public publisher download; no blanket redistribution or commercial licence is asserted. Consult publisher terms. Full text and raw PDFs are excluded from the distributable code ZIP.", "sha256": "66e89c21c30aa3a570f765f7eceb406040d04ad790eb12d2f0ecf92f39e985b5", "source_checked_on": "2026-09-30", "include_pdf_pages": [ [ 1, 1 ], [ 2, 2 ], [ 3, 3 ], [ 4, 4 ] ], "text_sections": [ { "pages": [ 1, 1 ], "label": "Crop and growing conditions", "end": "CHOOSING A VARIETY" }, { "pages": [ 2, 2 ], "label": "Cultivation and nursery", "start": "CULTIVATION" }, { "pages": [ 3, 3 ], "label": "Irrigation and drainage", "start": "IRRIGATION" }, { "pages": [ 4, 4 ], "label": "Weed management and harvesting", "end": "NOTE:" } ] }, { "id": "nihort_pineapple", "title": "Guide to the Production of Pineapple", "publisher": "National Horticultural Research Institute (NIHORT), Nigeria", "year": "undated", "url": "https://nihort.gov.ng/wp-content/uploads/2020/12/PINEAPPLE-PRODUCTION-GUIDE.pdf", "format": "pdf", "language": "en", "topics": [ "pineapple", "planting", "soil", "harvesting" ], "geography": [ "Nigeria" ], "review_status": "source_checked", "scope_note": "NIHORT Nigerian orchard reference; date not established. Confirm suitable climate, drainage and planting material. Fungicide dips, herbicide rates, fertilizer rates and yield promises excluded.", "rights_note": "Public publisher download; no blanket redistribution or commercial licence is asserted. Consult publisher terms. Full text and raw PDFs are excluded from the distributable code ZIP.", "sha256": "46c0a376b09a57489f5c46a30807221eb7deb6bc567d62721e60c0e0d5243d6e", "source_checked_on": "2026-09-30", "include_pdf_pages": [ [ 1, 1 ], [ 2, 2 ], [ 3, 3 ] ], "text_sections": [ { "pages": [ 1, 1 ], "label": "Site and planting materials", "end": "Nursery operations" }, { "pages": [ 2, 2 ], "label": "Site selection and orchard establishment", "start": "Visual observation", "end": "Sketch of orchard layout" }, { "pages": [ 3, 3 ], "label": "Harvest maturity and intended market", "start": "Harvesting Harvesting takes", "end": "Average crop yield" } ] }, { "id": "nihort_citrus", "title": "Guide to Improved Citrus Production", "publisher": "National Horticultural Research Institute (NIHORT), Nigeria", "year": "undated", "url": "https://nihort.gov.ng/wp-content/uploads/2020/12/Guide-to-improved-Citrus-production.pdf", "format": "pdf", "language": "en", "topics": [ "citrus", "planting", "soil", "nursery" ], "geography": [ "Nigeria" ], "review_status": "source_checked", "scope_note": "Selected nursery/orchard site and seedling sourcing guidance. Date not printed; upload date is not publication date. Mixed-region calendar, spray schedules and fertilizer prescriptions excluded.", "rights_note": "Public publisher download; no blanket redistribution or commercial licence is asserted. Consult publisher terms. Full text and raw PDFs are excluded from the distributable code ZIP.", "sha256": "205915bd2ced2e129e86a9a8b7a4eb58c579fac5f13d8cd5ccded26812d0bbf7", "source_checked_on": "2026-09-30", "include_pdf_pages": [ [ 1, 1 ], [ 3, 3 ], [ 4, 4 ] ], "text_sections": [ { "pages": [ 1, 1 ], "label": "Nursery site selection", "start": "CONDITIONS FOR SITES SELECTION", "end": "PRE-NURSERY i." }, { "pages": [ 3, 3 ], "label": "Orchard site selection", "start": "ORCHARD ESTABLISHMENT AND MANAGEMENT" }, { "pages": [ 4, 4 ], "label": "Sourcing budded seedlings", "start": "PROPAGATION", "end": "ORCAHRD ESTABLISHEMENT" } ] }, { "id": "naerls_cost", "title": "Estimating Farm Machinery Cost (Bulletin 82): cost categories", "publisher": "National Agricultural Extension and Research Liaison Services (NAERLS), Ahmadu Bello University", "year": "undated", "url": "https://naerls.gov.ng/wp-content/uploads/2022/11/Estimating-Farm-Machinery-Cost.pdf", "format": "pdf", "language": "en", "topics": [ "farm_business", "machinery", "record_keeping" ], "geography": [ "Nigeria" ], "review_status": "source_checked", "scope_note": "Historical accounting concepts only; publication date not established. Not current prices, interest rates, investment advice or a complete costing calculator. Numerical worked examples excluded.", "rights_note": "Public publisher download; no blanket redistribution or commercial licence is asserted. Consult publisher terms. Full text and raw PDFs are excluded from the distributable code ZIP.", "sha256": "8666c9b951007a5729c2b2fc1f235569cd09fcbde83106d095bbc59123df713d", "source_checked_on": "2026-09-30", "include_pdf_pages": [ [ 6, 6 ] ], "text_sections": [ { "pages": [ 6, 6 ], "label": "Fixed and variable cost categories", "start": "2.0 Costing", "end": "Depreciation is a cost" } ] }, { "id": "nihort_tomato_2023", "title": "Tomato Production Guide 2023", "publisher": "National Horticultural Research Institute (NIHORT), Nigeria", "year": 2023, "url": "https://nihort.gov.ng/wp-content/uploads/2025/09/Tomato-production-guide-2023.pdf", "format": "pdf", "language": "en", "topics": [ "tomato" ], "geography": [ "Nigeria" ], "review_status": "pending", "scope_note": "Publisher PDF located and downloaded, but scanned pages have no usable text. Awaiting OCR plus visual/text verification; excluded from retrieval. Title/year where available are publisher catalogue labels.", "rights_note": "Public publisher download; no blanket redistribution or commercial licence is asserted. Consult publisher terms. Full text and raw PDFs are excluded from the distributable code ZIP.", "sha256": "8cf287af09aa141b7d76d20665741f135597c86b9177ce70ca7e5ffe2d344d79", "source_checked_on": "2026-09-30" }, { "id": "nihort_tomato_postharvest", "title": "Guide to Effective Post-harvest Handling and Processing of Tomato", "publisher": "National Horticultural Research Institute (NIHORT), Nigeria", "year": "undated", "url": "https://nihort.gov.ng/wp-content/uploads/2025/09/Guide-to-effective-post-harvest-handling-and-processing-of-tomato.pdf", "format": "pdf", "language": "en", "topics": [ "tomato" ], "geography": [ "Nigeria" ], "review_status": "pending", "scope_note": "Publisher PDF located and downloaded, but scanned pages have no usable text. Awaiting OCR plus visual/text verification; excluded from retrieval. Title/year where available are publisher catalogue labels.", "rights_note": "Public publisher download; no blanket redistribution or commercial licence is asserted. Consult publisher terms. Full text and raw PDFs are excluded from the distributable code ZIP.", "sha256": "6b67cf2c872fe52218ec0a2fbabbcfcf69c96bd25af472c61d108bc27d6a9000", "source_checked_on": "2026-09-30" }, { "id": "nihort_telfairia", "title": "Telfairia production guide", "publisher": "National Horticultural Research Institute (NIHORT), Nigeria", "year": "undated", "url": "https://nihort.gov.ng/wp-content/uploads/2020/12/Telfairia.pdf", "format": "pdf", "language": "en", "topics": [ "telfairia" ], "geography": [ "Nigeria" ], "review_status": "pending", "scope_note": "Publisher PDF located and downloaded, but scanned pages have no usable text. Awaiting OCR plus visual/text verification; excluded from retrieval. Title/year where available are publisher catalogue labels.", "rights_note": "Public publisher download; no blanket redistribution or commercial licence is asserted. Consult publisher terms. Full text and raw PDFs are excluded from the distributable code ZIP.", "sha256": "c0237fb135ee8e0f5cb031d8b546c74d268ef898cb7ce4c2eecbff34c057d262", "source_checked_on": "2026-09-30" } ] }