Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1983-04-18
1985-11-05
Lander, Ferris H.
Chemistry: fertilizers
Processes and products
Organic material-containing
71 5, 71 6, 47 11, 47 576, 47DIG9, C05F 1102
Patent
active
045511659
ABSTRACT:
It has been a problem to pellet seeds with inoculum of the beneficial VA mycorrhizal fungus. Hitherto, clay or soil pellets have been tried but they are difficult to adjust to a suitable moisture content and the pellets are too heavy, and there is a problem in placement of the seed so as to ensure that the radicle will grow through the pellet and thereby pick up the desired fungal infection. It has now been found that satisfactory pellets can be made using a mixture of peat, preferably sphagnum moss peat (instead of soil), together with a binder, seed and the VA mycorrhizal fungus, and that even when the pellet is dried considerably the inoculum retains infectivity for at least 6 months, using sphagnum moss peat. The composition in compacted, sowing unit, e.g. pellet, form and a method of growing plant from seed are claimed. The invention is useful for improving the condition of poor soil, e.g. filled-in gravel pits or coal mine spoil tips.
REFERENCES:
patent: 1988307 (1935-01-01), Fay
patent: 4294037 (1981-10-01), Mosse et al.
"Soil Pellets to Introduce VAM Fungi into Soil", Hall, Jrnl. Biol. & Biochem., vol. II, pp. 85-86, 1979.
Powell, "Efficient Mycorrhizal . . . Requirements", pp. 24-26, Ruakara Farmers Conference.
Powell, "Inoculation of . . . Fungi", pp. 81-85, 1979, The New Phytologist.
Haymen et al., "Methods for . . . Fungi", pp. 247-253, 1981, Ann. Appl. Biol.
Hall et al., "An Improved . . . Pellets", pp. 221-222, 1981, Jour. Agric. Research.
Brockwell, "A Treatise . . . Fixation", pp. 277-309, 1977, Agronomy & Ecology, ed. Hardy & Gibson; John Wiley & Sons-publ.
Lander Ferris H.
National Research Development Corporation
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