OPTIMUM FOLIAR NITROGEN CONCENTRATION IN PINE AND ITS CHANGE WITH STAND AGE

[1] BINNS WO, 1980, 76 FOR COMM LEAFL

[2] BINNS WO, 1967, 1967 FOR RES REP, P49

[3] DETERMINATION OF AMMONIUM IN KJELDAHL DIGESTS OF CROPS BY AN AUTOMATED PROCEDURE [J]. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE, 1971, 22 (01) : 9 - &

[4] EVERARD J, 1973, Quarterly Journal of Forestry, V67, P51

[5] EVERARD JE, 1974, 41 FOR COMM BOOKL

[6] STUDIES ON THE NUTRITION OF FOREST TREE SEEDLINGS .3. MINERAL NUTRITION OF PINE [J]. PHYSIOLOGIA PLANTARUM, 1960, 13 (03) : 513 - 533

[7] KEAY J, 1964, J ROY SCOTTISH FORES, V18, P22

[8] Leyton L., 1948, Forestry Abstracts, V9, P399

[9] LEYTON L., 1955, FOREST SCI, V1, P210

[10] LEYTON L, 1954, 31 U OXF IMP FOR I P

[1] BINNS WO, 1980, 76 FOR COMM LEAFL

[2] BINNS WO, 1967, 1967 FOR RES REP, P49

[3] DETERMINATION OF AMMONIUM IN KJELDAHL DIGESTS OF CROPS BY AN AUTOMATED PROCEDURE [J]. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE, 1971, 22 (01) : 9 - &

[4] EVERARD J, 1973, Quarterly Journal of Forestry, V67, P51

[5] EVERARD JE, 1974, 41 FOR COMM BOOKL

[6] STUDIES ON THE NUTRITION OF FOREST TREE SEEDLINGS .3. MINERAL NUTRITION OF PINE [J]. PHYSIOLOGIA PLANTARUM, 1960, 13 (03) : 513 - 533

[7] KEAY J, 1964, J ROY SCOTTISH FORES, V18, P22

[8] Leyton L., 1948, Forestry Abstracts, V9, P399

[9] LEYTON L., 1955, FOREST SCI, V1, P210

[10] LEYTON L, 1954, 31 U OXF IMP FOR I P