SUSTAINABLE AGRICULTURE 2nd Edition - Part 5 docx

... silhouette A model or cut-out of a hawk shape is fixed to a post or overhead on a wire. This scares away fruit and nut-eating birds. Sustainable Agriculture 84 Figure 5. 2 Scarecrow used for bird ... 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...

Ngày tải lên: 02/07/2014, 00:20

... no Introduction National Library of Australia Cataloguing-in-Publication: Mason, John, 1 951 – . Sustainable agriculture. 2nd ed. ISBN 0 643 06876 7. 1. Sustainable agriculture. 2. Sustainable development. I. Title. 338.16 Copyright ... 7666 Freecall: 1800 6 45 051 (Australia only) Fax: +61 3 9662 755 5 Email: publishing.sales@csiro.au Website: www.landlinks.com Cover design and t...

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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 ... potential for soil loss if flooding occurs. Sustainable Agriculture 54 pastures exposed to saline irrigation water experience water stress, resulting in leaf scorch- ing, leaf fall, slow...

Ngày tải lên: 02/07/2014, 00:20

... 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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... 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 ... no gaps (eg roads cutting through). Sustainable Agriculture 166 157 Increasing rainfall It has been reported that treed districts receive more rainfall than nearby non-treed distric...

Ngày tải lên: 02/07/2014, 00:20

... significant danger to non-target organisms. In particular, residual and foliar applications have the potential to kill desired plants, poison animals, reduce soil micro-organisms, evaporate into ... 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 of biologica...

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... after threat of frost in spring •frost tender •sow 2 .5 mm deep in moist soil or 5 cm deep in dry soil •rows spaced at 25 50 cm, seeds 5 10 cm apart •germinates ideally at soil temperature of 18°C •tolerates ... 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 Sustai...

Ngày tải lên: 02/07/2014, 00:20

... paddock: •Paddocks growing nitrogen-fixing plants (eg legumes) should be fallowed with nitrogen users such as grasses Sustainable Agriculture 176 Sustainable Agriculture 172 might be better to ... semibaccata – creeping saltbush 4 Rhagodia hastata 5 Rhagodia linifolia 6 Chenopodium triagulare 1 75 Managing animals in a more sustainable way Sustainable Agriculture 178 post gra...

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