ISBN: 9787805655031 - 肥料施用问答 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2006. Pages: 200 in Publisher: Guangxi Science and Technology Press fertilization in agricultural production has an important significance. Fertilization is to increase crop yield per unit area and improve product quality. an effective and necessary measures. The majority of farmers in China have a very deep understanding of the role of fertilizers in agricultural production. Farming proverb goes: The harvest is a flower. thanks fertilizer Alone. lies in the water receive.…