Study and development of the land. -Develop methods and forms of soil and water conservation -Learn how to utilize the land which have low fertility. -Learn how to improve degraded soil.
Study and Development - the development of methods and models of soil and water conservation - a study to find ways to use the land with low fertility - study ways to improve the soil.
Study and development of the land.Study methods and model of development of soil and water conservationStudies find use land, which have low fertility.Study how to improve the soil degradation.