登入選單

返回Google圖書搜尋

Leaf Nutrient Concentrations in Selected Soy Bean Cultivars as Affected by Fertilization, Stage of Growth, and Year

Joseph L. KeoghArkansas Agricultural Experiment Station

出版	The Station, 1977
URL	http://books.google.com.hk/books?id=cHdUXwAACAAJ&hl=&source=gbs_api