Download Permaculture Two: Practical Design for Town and Country in by Bill Mollison PDF

By Bill Mollison

"Permaculture " delves deeper into the concept that of "consciously designed agricultural systems." writer, invoice Mollison, describes new techniques and ideas that experience developed world wide. ways that vegetation can regulate weather and lots of types of pollutants are mentioned. hugely efficient, low-energy structures, are made transparent, during this attention-grabbing ebook that gives a few concrete options for saving mom Earth.

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Extra info for Permaculture Two: Practical Design for Town and Country in Permanent Agriculture

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7 THE INTERACTION OF PLANTS AND ANIMALS The trouble with good books on gardening is that they often treat each species as though it lived alone. Notable exceptions exist in, for instance, the literature on companion plants, and in isolated papers on plant antagonists. Even to ennumerate some of the inter-relationships between plants would be a help. Plants then: * act as trellis to plants (grape on mulberry, fig, boxthorn); 0 screen and shade plants (coffee under palms); * provide nutrients to plants (comfrey leaves for potato sets); * cross-fertilize plants (different varieties of plums and nuts); @ live in obligate relationships with plants (fungi under oaks, pines); @ reject or accept other plants (see section on companion plants); @ provide spare parts (grafts) for plants (apple, pear, nut species).

N1 grL,\flh ;~nci may \icll bear in three or l’our years instead of 17-1X b’cars 0: more. 1 0 friable and open soil through which water penetrate3 easily as weak carh~~nic and hllnlic’ a~icl. freeing soil elements for plants, and buffering pH changes; 0 aerated soil, which ctays warmer in winter and cooler in summer; +D the absorbent soil itself is a great water-retaining blanket, preventing run-ijt‘t’ and rapid evaporation to the air. ~J, ploughed or chemicalized into lifelessness. Trees, of course, act as long-term or inbuilt nutrient pumps, laying clan their minerals as leaves and bark on the soil, where fungi and soil ciustacea make the lea\‘es’into mulch.

25 HOW MUCH LAND? ” -VirgillO We have made perhaps the gravest, or greediest, error of them all: we have over-reached ourselves. On the farmlands of the northwest coast of Tasmania they speak of a man with too much land as “land poor”, and he will become the poorer as his holdings increase somewhat like the greedy fisherman, who catches fish until more fall overboard than he lands. it less kindly. The whole earth demonstrates the neglect of husbandry, and the greed of men for land. Companies too are discovering that large holdings are large liabilities, and these will become even more so as the petrol pool dries up.

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