developing countries. Examples of the production of food, fodder, fuel, and other products are included. Salt-tolerant plants can use land and water unsuitable for conventional crops and can harness saline resources that are generally neglected or considered as impediments to, rather than opportunities for, development. ISBN 0–309–04266–6.
35. Sowing Forests from the Air. 1981, 64pp. Describes experiences with establishing forests by sowing tree seed from aircraft. Suggests testing and development of the techniques for possible use where forest destruction now outpaces reforestation. ISBN 0–309–04257–7.
40. Firewood Crops: Shrub and Tree Species for Energy Production. Volume II, 1983, 92pp. Examines the selection of species of woody plants that seem suitable candidates for fuelwood plantations in developing countries. ISBN 0–309–04164–3 (Vol. II).
41. Mangium and Other Fast-Growing Acacias for the Humid Tropics. 1983, 63pp. Highlights 10 acacia species that are native to the tropical rainforest of Australasia. That they could become valuable forestry resources elsewhere is suggested by the exceptional performance of Acacia mangium in Malaysia. ISBN 0–309–04165–1.
42. Calliandra: A Versatile Small Tree for the Humid Tropics. 1983, 56pp. This Latin American shrub is being widely planted by the villagers and government agencies in Indonesia to provide firewood, prevent erosion, provide honey, and feed livestock. ISBN 0–309–04166-X.
43. Casuarinas: Nitrogen-Fixing Trees for Adverse Sites. 1983, 118pp. These robust, nitrogen-fixing, Australasian trees could become valuable resources for planting on harsh, eroding land to provide fuel and other products. Eighteen species for tropical lowlands and highlands, temperate zones, and semiarid regions are highlighted. ISBN 0–309–04167–8.
52. Leucaena: Promising Forage and Tree Crop in Developing Countries. 1984, 2nd edition, 100pp. Describes a multi-purpose tree crop of potential value for much of the humid lowland tropics. Leucaena is one of the fastest growing and most useful trees for the tropics. ISBN 0–309–04250-X.