Soils: An Introduction to Soils and Plant Growth |
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Page 518
... Drainage in the World , ICID Biennial Bul- letin , International Commission of Irrigation and Drainage , Jan. 1976 . pan , or rock . Regardless of the cause of too much water on or in the surface soil , all farm crops except rice grow ...
... Drainage in the World , ICID Biennial Bul- letin , International Commission of Irrigation and Drainage , Jan. 1976 . pan , or rock . Regardless of the cause of too much water on or in the surface soil , all farm crops except rice grow ...
Page 524
... Drainage , particularly of soils low in fertility , may cost more than the increased value of crops grown on the soil . 16 : 5 DRAINAGE SYSTEM SELECTION The two chief types of drainage systems are surface and subsurface . Surface drainage ...
... Drainage , particularly of soils low in fertility , may cost more than the increased value of crops grown on the soil . 16 : 5 DRAINAGE SYSTEM SELECTION The two chief types of drainage systems are surface and subsurface . Surface drainage ...
Page 528
... Drainage - by - Beds Also known as bedding , the system of drainage - by - beds is similar to the open - W drainage system . One difference is that the drainage - by - beds system usually has a higher crown and is narrower between drains ...
... Drainage - by - Beds Also known as bedding , the system of drainage - by - beds is similar to the open - W drainage system . One difference is that the drainage - by - beds system usually has a higher crown and is narrower between drains ...
Common terms and phrases
acidic soils added Agricultural alfalfa Alfisols aluminum ammonium amount anaerobic application areas Aridisols bacteria boron calcium carbon cation exchange cation exchange capacity cause chemical clay climates compost corn crops decomposed decomposition deficiency depth drainage drained erosion fertilizer field fungi gypsum hectare Histosols horizon humus Inceptisols increase ions iron irrigation water kaolinite kg/ha land layer lb/a leaching legumes levels lime loam losses magnesium manganese manures materials microbes mineral moisture Mollisols molybdenum montmorillonite needed nitrate nitrogen nutrients organic matter organic soils oxides Oxisols oxygen particles percent percentage phosphate phosphorus plant growth pores potassium problem produce rainfall reduced require residues rice saline sample sand sandy saturation silt slopes sludge soil pH Soil Science soil surface soil tests soluble salts solution Source sulfate sulfur Table temperature texture tillage tion toxic Ultisols United urea usually values Vertisols yields zinc