PHOSPHORUS REQUIREMENTS OF SOYBEAN AND COWPEA AS AFFECTED BY MODE OF N NUTRITION

[1] [Anonymous], 1976, PROPERTIES MANAGEMEN

[2] USE OF POLYACRYLAMIDE TO REPLACE CARBON IN DETERMINATION OF OLSENS EXTRACTABLE PHOSPHATE IN SOIL [J]. JOURNAL OF SOIL SCIENCE, 1976, 27 (01): : 71 - 74

[3] BARR AJ, 1976, USERS GUIDE STATISTI

[4] BURTON J. C, 1965, AGRON J, V57, P379

[5] ROOT-GROWTH AND DRY-MATTER DISTRIBUTION OF SOYBEAN AS AFFECTED BY PHOSPHORUS STRESS, NODULATION, AND NITROGEN-SOURCE [J]. CROP SCIENCE, 1980, 20 (02) : 239 - 244

[6] CASSMAN KG, 1979, THESIS U HAWAII

[7] DART P. J., 1959, AUSTRALIAN JOUR BIOL SCI, V12, P427

[8] EDWARDS JH, 1976, AGRON J, V68, P653

[9] FOX R L, 1970, Soil Science Society of America Proceedings, V34, P902

[10] Kellogg CE, 1969, ADV AGRON, V21, P109, DOI DOI 10.1016/S0065-2113(08)60096-6

[1] [Anonymous], 1976, PROPERTIES MANAGEMEN

[2] USE OF POLYACRYLAMIDE TO REPLACE CARBON IN DETERMINATION OF OLSENS EXTRACTABLE PHOSPHATE IN SOIL [J]. JOURNAL OF SOIL SCIENCE, 1976, 27 (01): : 71 - 74

[3] BARR AJ, 1976, USERS GUIDE STATISTI

[4] BURTON J. C, 1965, AGRON J, V57, P379

[5] ROOT-GROWTH AND DRY-MATTER DISTRIBUTION OF SOYBEAN AS AFFECTED BY PHOSPHORUS STRESS, NODULATION, AND NITROGEN-SOURCE [J]. CROP SCIENCE, 1980, 20 (02) : 239 - 244

[6] CASSMAN KG, 1979, THESIS U HAWAII

[7] DART P. J., 1959, AUSTRALIAN JOUR BIOL SCI, V12, P427

[8] EDWARDS JH, 1976, AGRON J, V68, P653

[9] FOX R L, 1970, Soil Science Society of America Proceedings, V34, P902

[10] Kellogg CE, 1969, ADV AGRON, V21, P109, DOI DOI 10.1016/S0065-2113(08)60096-6