01921nam a2200265 a 450000100080000000500110000800800410001910000240006024500660008425000170015026000470016730000140021449000510022852012160027965300130149565300100150865300220151865300120154065300180155265300180157065300150158865300210160365300130162465300180163711025242013-12-09       1976    bl uuuu     u0uu1 u    #d1 aUEXKULL, H. R. von.  aAspects of fertilizer use in modern, high-yield rice culture.  a2nd ed. 1979  aBern: International Potash Institutec1976  a74p.cil.  a(International Potash Institute. Bulletin, 3).  aNutrient uptake and nutrient removal; Dynamics changes in soil fertility under conditions of high-yield rice culture; Plant nutrients and related fertilizers; The major plant nutrients (NPK); Nitrogen; Natural supply; Nitrogen defficiency; Varietal differences in the response to nitrogen; Effect of nitrogen on yield components; Effect of nitrogen on quality; Effect of nitrogen on disease resistance; Timing of nitrogen application; Placement of nitrogen; Quantity of nitrogen; Types of nitrogen fertilizer; Phosphorus; Natural supply and availability; Phosphorus deficiency; Timing of phosphorus application; Quantity of phosphorus; Sources of phosphorus; Potassium; Natural supply; Potassium deficiency symptoms; Effect on lodging resistance; Effect on disease resistance; Varietal differences in the response to potassium; Effect of potassium on yield components; Timing and rates of potash application; The secondary nutrients; Calcium; Magnesium; Silicium; Sulphur; The trace elements; Iron; Manganese; Zinc; Physiological diseases of rice; Economic aspects of fertilizer use; Environmental risk factors; Price risks; Suggested fertilizer schedules for high yielding varieties; Steps towards high yields.  aAdubacao  aARROZ  aAspecto economico  aFOSFORO  aMACROELEMENTO  aMICROELEMENTO  aNITROGENIO  aNUTRICAO VEGETAL  aPOTASSIO  aProdutividade