{"query": "Clover — growing reference", "count": 20, "results": [{"id": "card_ref_crop_clover", "title": "Clover — growing reference", "shelf": "agriculture", "surface": "secular", "snippet": "Clover: botanical family fabaceae (rotate so it does not follow the same family). Verified agronomy reference.", "authority_tier": "reference", "source": "Verified reference — agriculture", "generated": false}, {"id": "card_theory_biological_nitrogen_fixation", "title": "Crop rotation & biological nitrogen fixation (the low-input path)", "shelf": "theories", "surface": "secular", "snippet": "Crop rotation & biological nitrogen fixation (the low-input path) — an engine domain that can touch it: agriculture. Calibration: map-only — rotation effects are empirical; nutrient budgets compute. L", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "generated": false}, {"id": "card_src_taxon_200960", "title": "Trifolium wormskioldii — cow clover", "shelf": "taxonomy", "surface": "secular", "snippet": "cow clover (Trifolium wormskioldii) — a species. In the tree of life under Trifolium. Also known as: cow clover, seaside clover, springbank clover.", "authority_tier": "reference", "source": "NCBI Taxonomy (public domain)", "generated": false}, {"id": "card_src_taxon_57577", "title": "Trifolium pratense — peavine clover", "shelf": "taxonomy", "surface": "secular", "snippet": "peavine clover (Trifolium pratense) — a species. In the tree of life under Trifolium. Also known as: peavine clover, purple clover, red clover, rotklee.", "authority_tier": "reference", "source": "NCBI Taxonomy (public domain)", "generated": false}, {"id": "card_src_taxon_361560", "title": "Trifolium arvense — hare-foot clover", "shelf": "taxonomy", "surface": "secular", "snippet": "hare-foot clover (Trifolium arvense) — a species. In the tree of life under Trifolium. Also known as: hare-foot clover, rabbitfoot clover, stone clover.", "authority_tier": "reference", "source": "NCBI Taxonomy (public domain)", "generated": false}, {"id": "card_src_taxon_97007", "title": "Trifolium alpestre — alpine zigzag clover", "shelf": "taxonomy", "surface": "secular", "snippet": "alpine zigzag clover (Trifolium alpestre) — a species. In the tree of life under Trifolium. Also known as: alpine zigzag clover, owl-head clover, purple-globe clover.", "authority_tier": "reference", "source": "NCBI Taxonomy (public domain)", "generated": false}, {"id": "card_src_book_49302", "title": "Sweet Clover: Growing the Crop — H. S. Coe", "shelf": "gutenberg", "surface": "secular", "snippet": "Sweet Clover: Growing the Crop, by H. S. Coe. Subjects: Sweet clover. Read the full text (public domain): https://www.gutenberg.org/ebooks/49302", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_book_63166", "title": "Growing Crimson Clover — L. W. (Leonard Wheeler) Kephart", "shelf": "gutenberg", "surface": "secular", "snippet": "Growing Crimson Clover, by L. W. (Leonard Wheeler) Kephart. Subjects: Crimson clover. Read the full text (public domain): https://www.gutenberg.org/ebooks/63166", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_book_63165", "title": "Crimson Clover: Growing the Crop — J. M. (John Minton) Westgate", "shelf": "gutenberg", "surface": "secular", "snippet": "Crimson Clover: Growing the Crop, by J. M. (John Minton) Westgate. Subjects: Crimson clover. Read the full text (public domain): https://www.gutenberg.org/ebooks/63165", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_book_63169", "title": "Crimson Clover [1938] — E. A. (Eugene Amos) Hollowell", "shelf": "gutenberg", "surface": "secular", "snippet": "Crimson Clover [1938], by E. A. (Eugene Amos) Hollowell. Subjects: Crimson clover; Crimson clover -- Varieties; Pasture plants; Forage plants. Read the full text (public domain): https://www.gutenberg", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_book_63170", "title": "Crimson Clover [1947] — E. A. (Eugene Amos) Hollowell", "shelf": "gutenberg", "surface": "secular", "snippet": "Crimson Clover [1947], by E. A. (Eugene Amos) Hollowell. Subjects: Crimson clover; Crimson clover -- Varieties; Pasture plants; Forage plants. Read the full text (public domain): https://www.gutenberg", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_book_19905", "title": "Clovers and How to Grow Them — Thomas Shaw", "shelf": "gutenberg", "surface": "secular", "snippet": "Clovers and How to Grow Them, by Thomas Shaw. Subjects: Clover. Read the full text (public domain): https://www.gutenberg.org/ebooks/19905", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_taxon_3899", "title": "Trifolium repens — creeping white clover", "shelf": "taxonomy", "surface": "secular", "snippet": "creeping white clover (Trifolium repens) — a species. In the tree of life under Trifolium. Also known as: creeping white clover, white clover.", "authority_tier": "reference", "source": "NCBI Taxonomy (public domain)", "generated": false}, {"id": "card_src_word_jap_clover", "title": "jap clover", "shelf": "dictionary", "surface": "secular", "snippet": "jap clover: (noun) an annual of tropical Asia naturalized in United States — syn: japanese clover, japan clover, Lespedeza striata", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_japan_clover", "title": "japan clover", "shelf": "dictionary", "surface": "secular", "snippet": "japan clover: (noun) an annual of tropical Asia naturalized in United States — syn: japanese clover, jap clover, Lespedeza striata", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_japanese_clover", "title": "japanese clover", "shelf": "dictionary", "surface": "secular", "snippet": "japanese clover: (noun) an annual of tropical Asia naturalized in United States — syn: japan clover, jap clover, Lespedeza striata", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_book_62782", "title": "Sweet Clover: Utilization — H. S. Coe", "shelf": "gutenberg", "surface": "secular", "snippet": "Sweet Clover: Utilization, by H. S. Coe. Subjects: Sweet clover. Read the full text (public domain): https://www.gutenberg.org/ebooks/62782", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_book_62998", "title": "Sweet-Clover Seed — H. S. Coe", "shelf": "gutenberg", "surface": "secular", "snippet": "Sweet-Clover Seed, by H. S. Coe. Subjects: Sweet clover -- Seeds. Read the full text (public domain): https://www.gutenberg.org/ebooks/62998", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "generated": false}, {"id": "card_src_word_purple_clover", "title": "purple clover", "shelf": "dictionary", "surface": "secular", "snippet": "purple clover: (noun) erect to decumbent short-lived perennial having red-purple to pink flowers; the most commonly grown forage clover — syn: red clover, Trifolium pratense", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_word_red_clover", "title": "red clover", "shelf": "dictionary", "surface": "secular", "snippet": "red clover: (noun) erect to decumbent short-lived perennial having red-purple to pink flowers; the most commonly grown forage clover — syn: purple clover, Trifolium pratense", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}]}