4. TROPICS Developing a Food System 20. HAWAII ("the Big Island"), HAWAII. Fresh a ’a lava flow has been crushed and levelled by tractor, spot-mulched with compost and Macadamia nut husks, and irrigated. See 21 for growth in 1 year. Steve Skipper inspecting. USDAtriaI. 22. MOLOKA'I, HAWAII (Lat. 28°); Sub—tropical chicken tractor system. Developed by Dario Gorsich. Foreground is 6 weeks of vegetable growth following the clearing of the chicken tractor (5 pans in 0.5 ha). Dana and his wife, and members of the Busby family stand at the front edge at a papaya system which is 2.5 years old. Chickens (Australorps) are moved from pen to pen over the year to clear weeds and grasses; they get most of their food from fallen papaya, seed, Insects, and greens. Income from their eggs and papaya at the Ioca: cooperative plus home garden largely support the Gorsich lami y. 24. MAUI, HAWAII. Kikuyu grass. Here, people have planted Tagetes (marigold) around their avocado tree to kill, and form a barrier to, the grasses. 21. HAWAII ("The Big Island“), Hawaii Growth of trees in one year on a 'a lava site; more extensive mulch enables interplant, Numbers 2|] and 21 reveal that mulch plus water can establish valuable trees an apparently hostile sites, here mango, citrus, macadamia, guava, 23. MOLOKA'I, HAWAII. Traditional Hawaiian garden combines banana, papaya, chili, and taro. Pigs fed from surplus, chickens range below system. Developed by iMU and RACHEL (RAHELA) NAKI. Together with fish and home garden. this is a self—reliant and commercial system. 25. KAIWAKA. Nth IS. NEW ZEALAND. Instant garden or 7 jungle About 18 months previously, ' ' this was pasture. KAY BAXTER first set up a small nursery, then set out (at one time) a windbreak of eucalypt and blackwood (Acacia melanoxylon), and an interplant of nasturtium comlrey, sweet potato (ground covers); banana, ’ tagasaste. taro (under- storey); and a scatter oi Acacia, guava, mulberry, , citrus, apple. peach, etc. as fruit crop. Grass is suppressed and the system co—evolves. Mulch from comfrey, tagasaste is thrown around lruit trees.