60. SOIL: basics and a little chemistry

Stories:

• 239. ART: Island Endemics Institute April 5, 2024
• 238. TREES: addendum to CMGH ‘Woody Landscape Plants’ chapter April 1, 2024
• 237: MEMOIR: Gus Broucaret’s adventures March 15, 2024
• 236. GREENHOUSE PRODUCTION: Begonias March 5, 2024
• 235. PRAYER: For lunar year of the dragon 2024 February 28, 2024
• 234: MAINTENANCE: Cool season turf grasses February 5, 2024
• 233. ART: Hundred pacer February 3, 2024
• 232. ART: Manifestation of the magi January 21, 2024
• 231. GREENHOUSE PRODUCTION: Arums/Araceae January 17, 2024
• 230. SPIRIT MEDICINE: Hikuri Lophophora November 16, 2023
• 229. GARDENING: Importance of Nitrogen September 26, 2023
• 228. DESIGN: Stone work in the Iberian Peninsula August 27, 2023
• 227. SPIRIT MEDICINE: Shrooms July 18, 2023
• 226. MAPS & BROCHURES: Natural Areas Program July 18, 2023
• 225. WALKABOUT: China July 14, 2023
• 224. BOTANY: Eight common Chinese street trees July 7, 2023
• 223. DESIGN: Gardens and landscapes of a town in northern China June 14, 2023
• 222. DESIGN: Restoration of the native landscape May 13, 2023
• 221. FISH: Lamprey story February 26, 2023
• 220. ART: Mayo deer dance January 10, 2023
• 219. ART: La liana de Yage (Versión en español) January 9, 2023
• 218. ART: Yage vines (English version) January 5, 2023
• 217. ART: Apache pastures October 7, 2022
• 216. ART: Seri trees and tales September 18, 2022
• 215. ART: Huaorani origin myth (3 of 3) August 18, 2022
• 214. ART: Huaorani origin myth (2 of 3) August 6, 2022
• 213. ART: Sonora desert ecosystem August 1, 2022
• 212. ART: Zzyzx July 30, 2022
• 211. ART: Huaorani origin myth (1 of 3) July 25, 2022
• 210. MYTHOLOGY: Traditional Seri religion July 22, 2022
• 209. ART: Rainforest medicine July 20, 2022
• 208. ART: Our Lady of Black’s Beach July 6, 2022
• 207. MISSION BLUE PROJECT: Territory July 6, 2022
• 206. MISSION BLUE PROJECT: Blue kin July 6, 2022
• 205. MISSION BLUE PROJECT: Lupines July 6, 2022
• 204. MISSION BLUE PROJECT: Butterfly lifecycle July 6, 2022
• 203. ART: Old sketches June 22, 2022
• 202. BOTANY: SFBG 2014 Plants R – Z June 22, 2022
• 201. BOTANY: SFBG 2014 Plants L – Q June 9, 2022
• 200. BOTANY: SFBG 2014 Plants F-L June 9, 2022
• 199. BOTANY: SFBG 2014 Plants C-E May 27, 2022
• 198. BOTANY: SFBG 2014 Plants A-B May 9, 2022
• 197. PROPAGATION: Diet of a couple of upland game birds in December May 8, 2022
• 196. MAINTENANCE: Safety and injuries May 8, 2022
• 195. ART: Old times are new again April 1, 2022
• 194. ART: Calling all fishermen March 7, 2022
• 193. DESIGN & BUILD: A sunset backyard February 25, 2022
• 192. MAINTENANCE: Mammalian & bird pests February 25, 2022
• 191. MAINTENANCE: Tool final fall semester December 6, 2021
• 190. DESIGN: Sacred gardens November 18, 2021
• 189. DESIGN: Water features November 1, 2021
• 188. CULTURE: Online horticulture education October 26, 2021
• 187. DESIGN: Hardscape and edges October 10, 2021
• 186. GREENHOUSE PRODUCTION: Day length October 10, 2021
• 185. GEOGRAPHY: California counties September 17, 2021
• 184. PLANTS: California ethnobotany August 13, 2021
• 183. MAINTENANCE: Spring tool, equipment, and supplies – Final Exam May 14, 2021
• 182. DESIGN: Field trip to Filoli May 10, 2021
• 181. MAINTENANCE: Tool handles April 5, 2021
• 180. EDUCATION: City College of San Francisco April 1, 2021
• 179. WEEDS: Blackberry March 2, 2021
• 178. PROPAGATION: California native plants March 2, 2021
• 177. MAINTENANCE: Irrigation valves etc. February 22, 2021
• 176. DESIGN: Slopes February 15, 2021
• 175. MAINTENANCE: Turf February 1, 2021
• 174. MAINTENANCE: Hedge and fence notes January 20, 2021
• 173. PROPAGATION: Introduction January 18, 2021
• 172. MAINTENANCE: Gardener conduct January 17, 2021
• 171. BOTANY: Random notes December 10, 2020
• 170: BOOK REVIEW Weaving the dream December 1, 2020
• 169. GARDENING: Landscape design November 26, 2020
• 168. XERISCAPING: Hedges & lawns. Irrigate like rain. November 20, 2020
• 167. XERISCAPING: Planting for wildlife November 15, 2020
• 166. XERISCAPING: Local plants and butterfly plants November 10, 2020
• 165. XERISCAPING: Plants from down south November 9, 2020
• 164. XERISCAPING: How to plant November 8, 2020
• 163. XERISCAPING: Succulent and cacti November 5, 2020
• 162. XERISCAPING: Introduction November 3, 2020
• 161. DESIGN: Field trip to San Francisco Botanical Garden October 26, 2020
• 160. GREENHOUSE PRODUCTION: Salts October 20, 2020
• 159. GARDENING: Water & soil October 16, 2020
• 158. DESIGN: Isometric drawing October 10, 2020
• 157. DESIGN: One point perspective drawing October 7, 2020
• 156. GARDENING: Addendum to Chapter 7 Insects CMGH October 4, 2020
• 155. DESIGN: More what plant where? September 29, 2020
• 154. MAINTENANCE: Field propagation September 26, 2020
• 153: GARDENING: Pathology addendum quiz September 26, 2020
• 152. MAINTENANCE: Drainage, erosion control, and mulches September 20, 2020
• 151. GARDENING: Plant pathology September 19, 2020
• 150. MAINTENANCE: Herbaceous perennials September 15, 2020
• 149. GREENHOUSE: About potting soil ingredients September 14, 2020
• 148. DESIGN: Hardscape over time September 10, 2020
• 147. GARDENING: Flower parts September 9, 2020
• 146. GREENHOUSE: Coverings September 5, 2020
• 145. MAINTENANCE: Seeing the world as a tree September 3, 2020
• 144. DESIGN: Hand drawn plans September 1, 2020
• 143. DESIGN: Site inventory and basic drafting August 31, 2020
• 142. MAINTENANCE: Safety August 27, 2020
• 141. GREENHOUSE: Location August 27, 2020
• 140. GARDENING: CMGH Chapter 2 supplement part II August 25, 2020
• 139. GARDENING: CMGH Chapter 2 supplement part I August 24, 2020
• 138. DESIGN: What plant where? August 21, 2020
• 137. MAINTENANCE: Pruning August 21, 2020
• 136. DESIGN: Site survey August 18, 2020
• 135. DESIGN: Basic principles August 15, 2020
• 134. GREENHOUSE PRODUCTION: Greenhouse history August 8, 2020
• 133. DESIGN: Section elevation drawings August 6, 2020
• 132. DESIGN: Hardscape & design August 4, 2020
• 131. MAINTENANCE: Compost and recycling in the garden August 3, 2020
• 130. MAINTENANCE: Humans and small engines August 2, 2020
• 129. DESIGN: Garden styles July 28, 2020
• 128. GARDENING: Building rock walls July 20, 2020
• 127. PLANTS: Chaparral July 4, 2020
• 126. SOIL: types of soil May 12, 2020
• 125. CULTURE: God May 11, 2020
• 124. GARDENING: Approaches April 16, 2020
• 123. PROPAGATION: Chapter 4 Seeds February 5, 2020
• 122. PROPAGATION: Chapter 3 Growing environment January 27, 2020
• 121. PROPAGATION: Chapter 2 Lifecycle and genetics January 27, 2020
• 120. PROPAGATION: Chapter 1 Society and plant use over time January 16, 2020
• 119. GARDENING: Climate and weather January 9, 2020
• 118. PLANTS: Cannabis January 8, 2020
• 117. OCEAN: animals from the Sea of Cortez November 23, 2019
• 116. OCEAN: Tidal animals November 23, 2019
• 115. GARDENING: More changes at the botanical garden November 13, 2019
• 114. GARDENING: BACK IN THE DAY (At the botanical garden) October 23, 2019
• 113. DESIGN: San Bruno Mountain field trip OH70A September 28, 2019
• 112. DESIGN: OH 70A Class notes day 3 Hardscapes September 9, 2019
• 111. MAINTENANCE: OH53 Class notes day 2 (Safety) & day 3 (insects and fungi) September 9, 2019
• 110. GARDENING: Miscellaneous OH50 notes February 2, 2019
• 109: DESIGN: Maintenance and design February 2, 2019
• 108. WATER: Surfing is not a hobby September 30, 2018
• 107. GARDENING: School gardens and curriculum August 9, 2018
• 106. GARDENING: Integrated Pest Management (IPM) July 19, 2018
• 105. PLANTS: Weeds June 30, 2018
• 104. MYTHOLOGY: Skywoman May 31, 2018
• 103. PLANTS: Nerves & acetylcholine, poisons & horticulture April 14, 2018
• 102. PLANTS: Story cards August 1, 2017
• 101. PLANTS: Basic curriculum June 12, 2017
• 100. MYTHOLOGY: Huaoranis May 23, 2017
• 99. OCEAN: Monkeyface eel (Food, Family & Fillets) April 15, 2017
• 98. GARDENING: Botanical Gardens April 9, 2017
• 97. MYTHOLOGY: Sea otter woman tale from the Yurok tribe, Northwest California March 28, 2017
• 96. MYTHOLOGY: Eagle and Coyote tale from the Yurok tribe, Northwest California March 28, 2017
• 95. GARDENING: Horticulture opportunities in San Francisco March 23, 2017
• 94. DESIGN: Drawing plants March 23, 2017
• 93. GARDENING: Nitrogen February 18, 2017
• 92. PLANTS: Bromeliads February 14, 2017
• 91. ENERGY: Fuels February 14, 2017
• 90. PLANTS: Camellias December 1, 2016
• 89: PLANT CHEMICALS: Hormones and alkaloids September 27, 2016
• 88. PLANT STRUCTURES: Roots, stems, leaves, flowers, seeds September 27, 2016
• 87. PLANT PATHOLOGY: Vectors, viruses and bacteria September 27, 2016
• 86. PLANTS: Centers of Diversity August 13, 2016
• 85. PLANTS: Basic cactus identification June 27, 2016
• 84. MYTHOLOGY: Sedna the sea goddess June 16, 2016
• 83. MYTHOLOGY: all are family and relatives June 8, 2016
• 82. PLANTS: Piperaceae and kava May 19, 2016
• 81. LANDSCAPE DESIGN: Plant placement March 12, 2016
• 80. PLANTS: making cuttings March 4, 2016
• 79. LANDSCAPE DESIGN: Water features March 1, 2016
• 78. WATER: Fishing December 4, 2015
• 77. SOILS: Composition and function December 4, 2015
• 76. CULTURE: Old technology December 4, 2015
• 75. LANDSCAPE DESIGN: Hatching November 25, 2015
• 74. PLANTS: chemicals November 25, 2015
• 73. GARDENING: Climate November 16, 2015
• 72. CULTURE: Natives? November 16, 2015
• 71. LANDSCAPE DESIGN: Hardscape materials September 30, 2015
• 70. PARKS: Glen Canyon, San Francisco June 30, 2015
• 69. MYTHOLOGY: Amazon metamorphosis June 30, 2015
• 68. MYTHOLOGY: Wapaq fungus June 30, 2015
• 67. MYTHOLOGY: Looking for Wirikuta June 30, 2015
• 66. GARDENING: body mechanics and injuries April 23, 2015
• 65. SURF: old time stories March 29, 2015
• 64. FUNGUS – basics March 29, 2015
• 63. PLANTS: abscisic acid, pollination and fertilization February 20, 2015
• 62. SOILS : Cation Exchange Capacity and colloids February 20, 2015
• 61. SOILS: food webs and organic matter February 17, 2015
• 60. SOIL: basics and a little chemistry January 29, 2015
• 59. PLANTS: grasses November 13, 2014
• 58: PLANTS – Conifers October 19, 2014
• 57. PLANTS: Children’s gardens September 5, 2014
• 56. CULTURE: Electronic devices August 15, 2014
• 55. ANIMALS: Sea turtles July 30, 2014
• 54. ANIMALS: snakes June 24, 2014
• 53: PLANTS: parts June 24, 2014
• 52. MYTHOLOGY: Coyote ceremony at the beach May 11, 2014
• 51. PLANTS: Working as a gardener May 7, 2014
• 50. PLANTS: coca and cola March 29, 2014
• 49: ANIMALS: Habitats and adaptations March 24, 2014
• 48: TREES: Death and disease March 24, 2014
• 47: Miscellaneous TREES and LANDSCAPE DESIGN: styles March 8, 2014
• 46. TREES: Pruning and planting March 3, 2014
• 45. TREES: selection February 25, 2014
• 44. OCEANS: Waves!!! February 14, 2014
• 43. SOIL, WATER and TREES: relationships February 2, 2014
• 42. TREES: Identification and classification January 31, 2014
• 41. SOILS & RAINFOREST January 25, 2014
• 40. TREES – some basic vocabulary January 22, 2014
• 39. LANDSCAPE DESIGN: site survey January 21, 2014
• 38. ART: A few old watercolors December 19, 2013
• 37: CULTURE: Race and ethnicity December 19, 2013
• 36. RAINFOREST: A patient’s perspective – Traditional Amazonian Medicine December 17, 2013
• 35. SAN FRANCISCO: Features November 7, 2013
• 34. RAINFOREST: Cuentos de la selva September 27, 2013
• 33. RAINFOREST: dibujos de bosque September 12, 2013
• 32. INVERTEBRATES: Bee love June 14, 2013
• 31. INVERTEBRATES: larvae April 15, 2013
• 30. ADVERTISEMENT: books April 9, 2013
• 29. INVERTEBRATES: rule April 9, 2013
• 28. CULTURE: Science and stories – is there a conflict? February 20, 2013
• 27. CULTURE: Quiz for fun February 7, 2013
• 26. RAINFOREST: por los abuelos January 29, 2013
• 25. MEDICINE: Healing with plants December 28, 2012
• 24. RAINFOREST: Plants as teachers? December 11, 2012
• 23. LANDSCAPE DESIGN: Notes on Chinese gardens October 4, 2012
• 22. IRRIGATION: notes September 14, 2012
• 21. PLANTS & OCEANS: chill hour and garbage September 5, 2012
• 20. VEGETABLE GARDENING: Challenges August 27, 2012
• 19. ART: Reuse in ’92 August 16, 2012
• 17. RAINFOREST: Umbilical cord of the milky way August 3, 2012
• 16. TREES: People are walking trees August 2, 2012
• 15. PLANTS: Baobab and yage July 23, 2012
• 14. FIRE: on the mountain July 18, 2012
• 13. VEGETABLE GARDENING: Kimchi and day length, hot and cold July 17, 2012
• 12. WATER, PLANTS & INVERTEBRATES: washing dishes, fixing decks, parasitic beetles July 3, 2012
• 11. PLANTS: Betel nuts and dosage July 2, 2012
• 10. PLANTS: seeds, stilt roots, latex canals and sap June 30, 2012
• 9. INVERTEBRATES: Insect pests in the garden June 28, 2012
• 8. WATER & SOILS: serpentine soils and water molecules June 27, 2012
• 7. CHINA: Plants and language in Chinese foods and medicines June 26, 2012
• 6. CHINA: Yin and Yang June 26, 2012
• 5. CHINA: mythology and language June 25, 2012
• 4. PLANTS: corn story June 24, 2012
• 3. OCEANS: Go surf! June 24, 2012
• 2. OCEANS: Shark food June 23, 2012
• 1. PLANTS: Enter the world June 19, 2012