SUSTAINABLE AGRICULTURE 2nd Edition - Part 9 docx

... lines and making the trees vulnerable to being blown over in strong winds. Sustainable Agriculture 168 Sustainable Agriculture 164 height of the shelter belt, although ideally the distance should ... and subtropical climates Acacia (various species) Acmena smithii Sustainable Agriculture 162 Figure 9. 1 A dense windbreak Figure 9. 2 A permeable windbreak Eucalyptus There are man...

Ngày tải lên: 02/07/2014, 00:20

... no Introduction National Library of Australia Cataloguing-in-Publication: Mason, John, 195 1– . Sustainable agriculture. 2nd ed. ISBN 0 643 06876 7. 1. Sustainable agriculture. 2. Sustainable development. I. Title. 338.16 Copyright ... pastures 1 29 9Managing plants – Tree plantings and windbreaks 155 10 Managing animals in a more sustainable way 171 11 Understanding products use...

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... these options and hope- fully select the optimum design for that particular irrigation system. Even small-scale irri- gation systems are generally costly and intended for long-term usage, therefore ... reduce numbers of dung-feeding flies. Stable manure stockpiled for composting. Soil profile – note the organic matter content at the top. Sustainable Agriculture 60 An all-round soil condit...

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... Sustainable Agriculture 98 ture). Whether genetic engineering technology fulfils its potential to reduce the use of agri- cultural chemicals and provide better ... the non-selective compounds Dimethoate (Rogor®) and Malathion (Maldison®). Overuse has led to many pests becoming resistant to these chemi- cals. Organo-chlorines These are highly toxic, non-selective, ... in most parts of th...

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... and deficient in nutrients, requiring special attention to recondition them Sustainable Agriculture 126 Sustainable Agriculture 124 dures, tests and methods must be used, and what time is involved. ... changing and adapting to what is happen- ing in the real world. For instance, many producers who have turned to value-added prod- ucts are reaching their 20-year goal in five to ten yea...

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... these types of plants is not generally a great prob- lem, but on farms, particularly if there are areas of native bush nearby, there is a strong 1 09 Sustainable natural weed control and cultivation The ... include amitrole and simazine. They have long-term persistence in the soil and are likely to enter the watertable after periods of heavy rain. Sustainable Agriculture 106 Examples o...

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... changes (eg decomposition-spoilage) are less likely to occur. Hay can be stored either in the smaller, rectangular bale or the larger round Sustainable Agriculture 144 Sustainable Agriculture 148 Bush ... check. Managing plants – Crops and pastures Sustainable Agriculture 130 information is available on their culture and find out what grower support exists (eg department of agric...

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... University, 198 7. Principles to follow when resting a paddock: •Paddocks growing nitrogen-fixing plants (eg legumes) should be fallowed with nitrogen users such as grasses Sustainable Agriculture 176 Sustainable ... vulva and upper surface of tail), shearing, crutching, or applying poisons. Sustainable Agriculture 190 Sustainable Agriculture 180 Breeds Alpacas belong to a group...

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