论文信息 - A fixation method for estimation of the P requirement of soils. A trial application in Swedish cultivated soils - 字舞流文

A fixation method for estimation of the P requirement of soils. A trial application in Swedish cultivated soils

[1] S. Ståhlberg. A new extraction method for estimation of plant-available P, K and Mg. A trial application in Swedish cultivated soils. , 1980 .

[2] J. Sippola. The dependence of yield increases obtained with phosphorus and potassium fertilization on soil test values and soil pH. , 1980 .

[3] P. Ozanne,et al. Phosphate sorption by soils as a measure of the phosphate requirement for pasture growth , 1967 .

[4] R. Beckwith. Sorbed phosphate at standard supernatant concentration as an estimate of the phosphate needs of soils , 1965 .

[5] S. A. Barber,et al. Effect of Placement on the Absorption of Rb86 and P32 from Soil by Corn Roots , 1963 .

[6] H. C. Aslyng. The Lime and Phosphate Potentials of Soils; the Solubility and Availability of Phosphates , 1954 .

[7] J. M. Blume,et al. A Fixation Method for Determining the Phosphorus and Potassium Requirements of Soils1 , 1941 .

[8] E. R. Purvis. The present status of boron in American agriculture. , 1940 .

[9] J. A. Naftel. Soil Liming Investigations: II. The Influence of Lime on the Sorption and Distribution of Phosphorus in Aqueous and Soil Colloidal Systems 1 , 1936 .

[10] W. H. Pierre,et al. SOIL PHOSPHORUS STUDIES: II. THE CONCENTRATION OF ORGANIC AND INORGANIC PHOSPHORUS IN THE SOIL SOLUTION AND SOIL EXTRACTS AND THE AVAILIBILITY OF THE ORGANIC PHOSPHORUS TO PLANTS , 1927 .