SUSTAINABLE AGRICULTURE 2nd Edition - Part 7 docx

SUSTAINABLE AGRICULTURE 2nd Edition - Part 7 docx

SUSTAINABLE AGRICULTURE 2nd Edition - Part 7 docx

... 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...

Ngày tải lên: 02/07/2014, 00:20

16 212 0
SUSTAINABLE AGRICULTURE 2nd Edition - Part 1 docx

SUSTAINABLE AGRICULTURE 2nd Edition - Part 1 docx

... no Introduction National Library of Australia Cataloguing-in-Publication: Mason, John, 1951– . Sustainable agriculture. 2nd ed. ISBN 0 643 06 876 7. 1. Sustainable agriculture. 2. Sustainable development. I. Title. 338.16 Copyright ... or Sustainable Agriculture 4 Acknowledgements v Introduction 1 1 Different things to different people 3 2Sustainable concepts 9 3 Soils 23 4W...

Ngày tải lên: 02/07/2014, 00:20

15 307 0
SUSTAINABLE AGRICULTURE 2nd Edition - Part 4 docx

SUSTAINABLE AGRICULTURE 2nd Edition - Part 4 docx

... 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 ... watered. Sustainable Agriculture 72 Table 7 Water needs for livestock (continued) Type of Livestock Estimated annual (KL per head) Daily (L/head/day) Horses – working 18 50 Horses – g...

Ngày tải lên: 02/07/2014, 00:20

28 317 0
SUSTAINABLE AGRICULTURE 2nd Edition - Part 5 docx

SUSTAINABLE AGRICULTURE 2nd Edition - Part 5 docx

... 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 the world. Metal-based compounds These include chemicals based upon heavy metals such as lead and mercury. These chemi- cals are highly dangerous and are now banned in most...

Ngày tải lên: 02/07/2014, 00:20

24 343 1
SUSTAINABLE AGRICULTURE 2nd Edition - Part 9 docx

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 ... no gaps (eg roads cutting through). Sustainable Agriculture 166 1 57 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

16 301 0
SUSTAINABLE AGRICULTURE 2nd Edition - Part 6 pptx

SUSTAINABLE AGRICULTURE 2nd Edition - Part 6 pptx

... 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...

Ngày tải lên: 02/07/2014, 00:20

12 304 0
SUSTAINABLE AGRICULTURE 2nd Edition - Part 8 pps

SUSTAINABLE AGRICULTURE 2nd Edition - Part 8 pps

... 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...

Ngày tải lên: 02/07/2014, 00:20

26 241 0
SUSTAINABLE AGRICULTURE 2nd Edition - Part 10 pps

SUSTAINABLE AGRICULTURE 2nd Edition - Part 10 pps

... 19 87. 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 ... Rhagodia hastata 5 Rhagodia linifolia 6 Chenopodium triagulare 175 Managing animals in a more sustainable way Sustainable Agriculture 178 post grazing pasture masses are esti...

Ngày tải lên: 02/07/2014, 00:20

20 253 0
w