By Gerald M. Bennett, John Lloyd
Seed inoculation is the perform of successfully introducing a excessive variety of nitrogen-fixing micro organism (Rhizobium or Bradyrhizobium) at the floor of legume seeds ahead of planting. The micro organism penetrates the foundation, leading to the formation of root nodules that repair nitrogen from the air, and make it on hand to the plant. This ebook describes the necessity, the advance and using rhizobia, and the way this technique will be reproduced effectively around the globe, particularly in underdeveloped agricultural countries.
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Additional info for Seed Inoculation, Coating and Precision Pelleting Science, Technology and Practical Applications
Sample text
In other words, current world food production is only running at a fraction of its maximum potential. Most bacterial infection of plants causes disease, but not in the case of rhizobia. All legume plants (family Leguminosae) which have a symbiotic association with root nodule bacteria need to become beneficially ‘infected’ (mainly) in the roots to form nodules. ), in addition to lucerne, vetch, cowpea, beans, peas, lupins, hardy Introduction 7 Fig. 3 Bright pink legume root nodules indicate optimum nitrogen fixation.
It is estimated by scientists that the weight of biological nitrogen fixed around the world is more than double that of non-biological nitrogen supply annually and that perhaps up to 150 million metric tonne of plant usable nitrogen is produced annually by all contributors. 4 Trillion over the lifespan of a man. That is a major pillar of world agriculture, forestry and plant life. Let’s look at one small farming nation. Whereas New Zealand comprises approximately 27 million hectares, much of it is mountainous leaving less 4 Seed Inoculation, Coating and Precision Pelleting than half that area in pasture and crop.
M. F. Loneragan, F. O. A. J. A. Date, J. Brockwell, Dave Herridge, Rodney Roughley and many other highly skilled experts have revealed former mysteries associated with vitally important Rhizobium and their association with legumes which have contributed substantially to world knowledge. Much of that important research has been directed into highly specific and complex genetic, chemical and biological study at the cutting edge of intensive Introduction 17 bacteriology and soil microbiology, in particular in relation to Rhizobium.