Alternative Methods of Agriculture by R. BOERINGA (Eds.)


Substitute agriculture and guy; historical past, realisation and association of the document; the level of other agriculture; assessment of the explicit ideologies on wich the choice equipment of agriculture are dependent; Cultivation equipment; Animal husbrandry; ailments, pests and weeds; Kilogram yields; the standard of goods cultivated by way of replacement equipment; harm to the surroundings as a outcomes of alternative Read more...

summary: replacement agriculture and guy; background, realisation and association of the file; the level of other agriculture; assessment of the categorical ideologies on wich the choice tools of agriculture are established; Cultivation tools; Animal husbrandry; ailments, pests and weeds; Kilogram yields; the standard of goods cultivated by way of substitute tools; harm to the surroundings as a outcomes of different and conservational agricultural equipment; review; Conclusiones and recommendatios for reasearch; Cultivation equipment

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These descriptions have been written by representatives of each particular method, or drafted with their assistance. The contents are solely the responsibility of the respective authors, not of the Committee for Research into Biological Methods of Agriculture. The remaining forms of agriculture which are only practiced abroad are dealt with briefly. In the following discussion only a few important aspects of alternative methods which could be evaluated from a natural scientific point of view are dealt with.

An example of this is Schuphan's observation that at a level of application of 60f-9Cj)kg of nitrogen per ha the biological value of the potato-protein is at a maximum and falls off at higher nitrogen levels. Therefore, the fertilisation recommendations for potatoes by ANOG agriculture are determined at this level: 70-80 Kg N/ha (988). 2 Inner quality ) . It also means that the criterion "only slightly toxic to man and ecologically safe" (in which the emphasis is on being non-toxic to worms), which is applied in ANOG agriculture to the choice of chemical pesticides, implies that various compounds are administered in orchards with so broad a spectrum of activity that the natural biological control mechanisms are strongly obstructed.

This arose, for example, from the increase in calcium at the expense of magnesium. 24 „ 12^ + , 16Λ 0— 8 40 2 0 Ca! It concerns differences between very small quantities of certain elements in vast quantities of organic matter. Because of this and because there is an associated fundamental change in the basic principles of natural science involved, a very close discussion of possible errors of observation would be expected. It is in fact stated (507, p. 72) that a control experiment ought to be conducted to esta­ blish the amount of potassium given off by glass for example, but a thorough analysis of possible sources of error is not to be found.

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