02595nam a2200445 a 450000100080000000500110000800800410001902000180006024500500007826000500012830000100017852015900018865000160177865000160179465300130181065300160182365300160183965300160185565300150187165300170188665300180190365300150192165300120193665300190194865300130196765300140198065300150199465300100200965300110201965300110203065300130204165300140205465300130206865300120208165300090209365300090210265300120211165300080212365300180213110104372016-04-05       1988    bl uuuu     u0uu1 u    #d  a0-9693608-0-0  aPOTASHbits need & use in modern agriculture.  aCanada: Potash & Phosphate Institute Ofc1988  a44 p.  aProduction of potash; occurrence of potash ores; Canada's reserves and production; Saskatchewan; Mining; New Brunswick; Processing potash ore; Storage and shipping; Types of potash; Potassium (K): essencial plant nutrient; Functions of potassium in plants; Yield formation and yield components; Photosysthesis and stomatal regulation; Photosynthate transport; Potassium and stress tolerance; Water use efficiency; Impaired aeration; Temperature; Wind stress; Physiological disorders; Diseases; Pests; Crop quality; Potassium in soils; soil forms and potassium status guidelines; Available (solution plus exchageable) potassium; Reserve or slowly available potassium; Factors influencing soil potassium availability to plants; Leaching; Amount and type of clay minerals; Soil pH and liming; Soil structure and water content; Soil temperature; Potassium in submerged soils; Crop requirements for potash; Plant food utilization; Potassium requirements during the growing season; Requirements based on crop management; Yield level; Hybrid or cultivar; Nutrient interactions; Cropping intensity; Multiple cropping; Mixed cropping; Utilization of crop residues; Potash management; Factors in management; Soil factors; Plant factors; Weather factors; Intensive cropping factors; Methods of application; Timing and frequency; Fertilization techniques; Amounts of potash to apply; Economics of potash use; Symptoms of potassium deficiency; Rice; Rapeseed; Soybean; Peanut; Cotton; Sugarcane; Rubber; Coffee; Oil palm; Sweet potato; Coconut; Wheat; Banana; Maize; Forage legume; Sugar beet; Tea.  aAgricultura  aAgriculture  aAdubacao  aAgricultura  aAgriculture  aDeficiencia  aDeficiency  aFertilizante  aFertilizantes  aFertilizer  aFosforo  aModernização  aNutrient  aNutriente  aPhosphorus  aPlant  aPlanta  aPotash  aPotassio  aPotassium  aProducao  aSintoma  aSoil  aSolo  aSymptom  aUso  aUso agrícola