Soils: An Introduction to Soils and Plant Growth |
From inside the book
Results 1-3 of 80
Page 310
... fertilizers is to maintain a de- sirable physical condition . Most fertilizer plants are overcoming this diffi- culty by pelleting the fertilizer and by using certain clays and waxes to coat the pellets . Improper mixing and inadequate ...
... fertilizers is to maintain a de- sirable physical condition . Most fertilizer plants are overcoming this diffi- culty by pelleting the fertilizer and by using certain clays and waxes to coat the pellets . Improper mixing and inadequate ...
Page 315
... FERTILIZER . 1955 1960 1965 Δ 1970 Δ PRELIMINARY FIG . 15.1 . Fertilizer consumption has continued to increase over the years partly be- cause the relative price has ... Fertilizers N P2OS K2O FERTILIZER USE 315 Fertilizer Consumption.
... FERTILIZER . 1955 1960 1965 Δ 1970 Δ PRELIMINARY FIG . 15.1 . Fertilizer consumption has continued to increase over the years partly be- cause the relative price has ... Fertilizers N P2OS K2O FERTILIZER USE 315 Fertilizer Consumption.
Page 326
... FERTILIZER Profit from the use of fertilizer varies widely , but a model response curve will help to visualize the subject ( Figure 15.7 ) . From the application of the first few increments of fertilizer , the increase in yield is small ...
... FERTILIZER Profit from the use of fertilizer varies widely , but a model response curve will help to visualize the subject ( Figure 15.7 ) . From the application of the first few increments of fertilizer , the increase in yield is small ...
Contents
PART ONE PRINCIPLES OF SOIL SCIENCE AND PLANT GROWTH | 11 |
Physical Properties of Soils and Plant Environment | 30 |
Chemical and Colloidal Properties of Soils and Plant Environment | 52 |
Copyright | |
23 other sections not shown
Other editions - View all
Common terms and phrases
acid acre alfalfa ammonia ammonium amount applied approximately areas Aridisols bacteria brown calcium carbonate cations cent chemical clay loam climate coarse color corn crops cubic deficiency depth drainage elements erosion farm feet fertilizer Figure forest grasses Histosols horizon humid humus inches increase infiltration irrigation kaolinite land Laterite layer leaching legumes lime loam loamy magnesium manure medium minerals moist Mollisols montmorillonite nitrate nitrogen organic matter oxide Oxisols parent material particles percentage phosphate phosphorus plant growth plant nutrients plant roots plow pollution pores potassium pounds rainfall rock runoff sample sand sandy loam silt loam slope sodium soil classification Soil Conservation Service soil horizons soil map soil material soil moisture soil orders Soil Science soil structure Soil Survey soil temperature soil test soil texture soluble Source Spodosols Suborder sulfate surface Table tillage trees Tropics U.S. Dept United States Department usually vegetation Vertisols yields