共 50 条
[42]
CORRELATIONS AMONG APPLIED NITROGEN PHOSPHORUS POTASSIUM AND RESPONSES OF POTATO PLANT
[J].
AMERICAN POTATO JOURNAL,
1967, 44 (03)
:75-&
[44]
USE OF PLANT ANALYSES TO DESCRIBE AVAILABILITY OF SOIL NITROGEN, PHOSPHORUS, AND POTASSIUM
[J].
SOVIET SOIL SCIENCE-USSR,
1971, 3 (03)
:378-&
[46]
NITROGEN PHOSPHORUS AND POTASSIUM PLANT RESERVES AND SPRING GROWTH OF TAXUS AND FORSYTHIA
[J].
PROCEEDINGS OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE,
1965, 87 (DEC)
:537-&
[49]
The combined effect of fertiliser nitrogen and phosphorus on herbage yield and changes in soil nutrients of a grass/clover and grass-only sward
[J].
Nutrient Cycling in Agroecosystems,
2004, 68
:165-179
[50]
NITROGEN, PHOSPHORUS AND POTASSIUM UPTAKE IN GROUNDNUT AT VARIOUS STAGES OF PLANT-GROWTH AND LEVELS OF PHOSPHORUS
[J].
INDIAN JOURNAL OF PLANT PHYSIOLOGY,
1983, 26 (02)
:220-225