9787802334229 - liaoning soil and fertilizer technology innovation and practice proceedings (1987-2007)(chinese edition) di liao ning sheng tu rang fei liao zong zhan (1 risultati)

paperback. Condizione: New. Language:Chinese.Paperback Pages Number: 404 Soil is the foundation of agriculture. fertilizers. crops. food. soil. fertilizer. water. are four material resources to support system of farming. is to promote the basis for the development of modern agriculture. Crop varieties and their cultivation patterns of all the high yield and quality and safety are built above the fertile. coordination. with sustained production capacity of the soil and the scientific application of fertilizers foundation.…