MINERAL ACCUMULATION IN CORN

[1] DULEY FL, 1921, MISSOURI AGR EXP STA, V42

[2] HOPPER TH, 1925, N DAKOTA AGR EXP STA, V192

[3] JONES WJ, 1914, INDIANA AGR EXP STA, V175

[4] MILLER EC, 1943, KANSAS AGR EXP STA T, V54

[5] Rapid colorimetric determination of potassium in plant tissues [J]. PLANT PHYSIOLOGY, 1933, 8 (02) : 315 - 319

[6] SCHWEITZER P, 1888, MISSOURI AGR EXP STA, V9

[7] Colorimetric methods for the determination of phosphorus - In the presence of silica, arsenic, iron, and nitrates [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1935, 7 : 0227 - 0230

[8] 1940, OFFICIAL TENTATIVE M

[1] DULEY FL, 1921, MISSOURI AGR EXP STA, V42

[2] HOPPER TH, 1925, N DAKOTA AGR EXP STA, V192

[3] JONES WJ, 1914, INDIANA AGR EXP STA, V175

[4] MILLER EC, 1943, KANSAS AGR EXP STA T, V54

[5] Rapid colorimetric determination of potassium in plant tissues [J]. PLANT PHYSIOLOGY, 1933, 8 (02) : 315 - 319

[6] SCHWEITZER P, 1888, MISSOURI AGR EXP STA, V9

[7] Colorimetric methods for the determination of phosphorus - In the presence of silica, arsenic, iron, and nitrates [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1935, 7 : 0227 - 0230

[8] 1940, OFFICIAL TENTATIVE M