Chemical change and Physical change

Chemical change Chemical change is any change that results in the formation of new chemical substances. Chemical change involves mak... Read more »

Determining the amount of fertilizer to apply

Fertilizer grade and fertilizer ratio are used in determining the amount of fertilizer to be applied on a piece of land.The amount of... Read more »

Methods of fertilizer application

1. Broadcasting It refers to spreading fertilizers uniformly all over the field. Suitable for crops with dense stand, the plant root... Read more »

Advantage of inorganic fertilizer

1. Works immediately Inorganic fertilizers are usually given as a “rescue treatment” to plants that are malnourished, unhealthy or... Read more »

Disadvantage of inorganic fertilizer

1. Leeching happens Inorganic fertilizers contain nutrients that have been broken down already into the most basic of its components... Read more »

Factors affect soil pH

  1. Parent   rock : The pH value of a soil is influenced by the kinds of parent materials from which the soil was formed. Soils devel... Read more »