Cannabis Yields and Dosage by Chris Conrad

By Chris Conrad

A consultant to the construction and Use of scientific Marijuana

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Function of root border cells in plant health, Annu. Rev. , 36, 311, 1998. 74. C. , 5, 128, 2000. 75. ) and their effects on plant development, Z. Pflanzenernähr. , 152, 247, 1989. 76. Arshad, M. , Plant growth-regulating substances in the rhizosphere: microbial production and functions. Adv. , 62, 45, 1998. 77. Balaji, B. , Responses of an arbuscular mycorrhizal fungus, Gigaspora margarita, to exudates and volatiles from the Ri T-DNA-transformed roots of nonmycorrhizal and mycorrhizal mutants of Pisum sativum L.

144, 339, 1981. 151. Bar-Ness, E. , 100, 451, 1992. 152. von Wiren, N. , Iron inefficiency in maize mutant ys1 (Zea mays L. cv. , 106, 71, 1994. fm Page 21 Monday, April 9, 2007 3:12 PM Types, Amounts, and Possible Functions of Compounds 21 153. von Wiren, N. , Competition between micro-organisms and roots of barley and sorghum for iron accumulated in the root apoplasm, New Phytologist, 130, 511 1995. 154. , Relationship of soils to manganese deficiency of plants, Nature, 134, 972, 1934. 155.

One must ask whether or not they serve any useful purpose at all. The fears and uncertainty about what is physiologically normal were expressed by Ayers and Thornton in 1968 [159]; their concerns are as valid today as they were then. The absolute and relative quantities released are at present no more than approximations based largely on a very narrow selection of short-lived agricultural plants. In attempting to classify types of secretions on the basis of what might happen in the rhizosphere, the foregoing discussion has taken a fairly distrusting view of data derived from in vitro experiments such as solution cultures, those using sterilized soil, and those using highly contrived situations where the reality of normal soil-grown plants is disregarded.

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