SOIL PREPARATION

CHAPTER 6

disperse, block all pores and allow no water percolation. • Acid sodic and acid saline-sodic soils can be reclaimed by applica- tions of lime and leaching.

• The reclamation of brack soils that have high ESP values and poor internal drainage can take a long time and be expensive. With regard to waterlogging and salini- sation, prevention is always better than cure.

PHOTO: P. MYBURGH, ARC INFRUITEC-NIETVOORBIJ.

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