AVAILABILITY OF ORGANIC AND INORGANIC FORMS OF PHOSPHORUS TO LUPINS (LUPINUS SPP)

被引:123
作者
ADAMS, MA [1 ]
PATE, JS [1 ]
机构
[1] UNIV WESTERN AUSTRALIA,DEPT BOT,NEDLANDS,WA 6009,AUSTRALIA
关键词
CHOLINE PHOSPHATE; GLYCERO PHOSPHATE; INOSITOL PHOSPHATE; LUPINS; PHOSPHATASE; PHOSPHORUS AVAILABILITY; PYROPHOSPHATE; RNA;
D O I
10.1007/BF00009546
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Inositol phosphate is at least equal to KH2PO4 as a source of P for the growth of lupins in sand but a much poorer source in soil. RNA and glycerophosphate were excellent sources of P for lupin growth in a P-fixing soil. Soil and root phosphatase activity were not altered by amendment of soils with either inorganic- or organic-P. The difference in availability of differing P-sources is related to their solubility in soils rather than susceptibility to phosphatases.
引用
收藏
页码:107 / 113
页数:7
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