Natural materials used to improve physical , chemical ., or biological characteristics of the soil. Includes rice husk and straw , corn stalks, sawdust , and bean pods . Care should be taken not to create notrogen competition with crops.
Natural materials used to improve physical , chemical ., or biological characteristics of the soil.Includes rice husk and straw , corn stalks, sawdust , and bean pods . Care should be taken not to create notrogen competition with crops.