Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Potassium Metaphosphate"'
Publikováno v:
Russian Journal of Applied Chemistry. 83:553-561
The technology of producing of potassium dihydrophosphate (and potassium metaphosphate) mineral fertilizer in multicomponent system with salting-out is described; this technology is the result of investigation of multicomponent system K+, (C2H5)2NH 2
Autor:
Yasuo Kikuchi, Naoji Kubota
Publikováno v:
Die Makromolekulare Chemie. 193:559-566
Glycol chitosan (GC) and methyl glycol chitosan (MGC) were, individually, reacted with potassium metaphosphate (MPK) to form a series of water-insoluble macromolecular complexes (MC) in aqueous solution at different hydrogen ion concentrations (GC-MP
Potassium metaphosphate on a basis potassium chloridе and gram salt in system K, Na // Cl, PO3 – H2O
Autor:
B. Khazikhanova
Publikováno v:
Chemical Bulletin of Kazakh National University. :209
The solubility in system К, Na // Cl, PO 3 -Н 2 О is investigated at 10 о , 20 о , 30 о С and the fields crystallization KCl, KCl+KPO 3 , KPO 3 , NaCl, firm solution on a basis NaPO 3 are determined. The individuality of the selected firm phas
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Publikováno v:
Plant and Soil. 31:238-256
In a heathland nursery on an acid sandy podsol and in a nursery on moderately acid agricultural land, four PK fertilizers were compared with superphosphate alone, using seedlings and transplants of Sitka sprucePicea sitchensis and Norway sprucePicea
Publikováno v:
Soil Science. 75:69-80
Autor:
G. E. G. Mattingly, A. Penny
Publikováno v:
The Journal of Agricultural Science. 70:131-138
SUMMARYThree granular nitrophosphates containing 5, 26 and 50 % of their total phosphorus in a water-soluble form, granular potassium metaphosphate, Gafsa rock phosphate and basic slag (both as powders) were compared with granular superphosphate and
Autor:
J. Hagin
Publikováno v:
Soil Science. 102:373-379
Autor:
M. R. J. Toxopeus, D. E. Hogg
Publikováno v:
New Zealand Journal of Agricultural Research. 13:887-895
Laboratory studies have shown wide variation in the ability of soils to retain potassium against leaching, the amount of applied K leached varying from 7 to 72%. Four field trials comparing a less soluble potassium salt—potassium metaphmlphate—wi
Publikováno v:
The Journal of Agricultural Science. 76:131-141
SUMMARYTriple superphosphate (21.6% P), potassium metaphosphate (25.0% P) and magnesium ammonium phosphate (19.0% P) were compared as phosphate fertilizers alone and in combination, and as powders and granules, in two experiments on acid soils. Basal