登入選單

返回Google圖書搜尋

Soil Fertility and Fertilizers

Samuel L. TisdaleWerner L. NelsonJames D. Beaton

出版	Macmillan, 1985
主題	Business & Economics / Industries / AgribusinessTechnology & Engineering / Agriculture / GeneralTechnology & Engineering / Agriculture / Agronomy / Soil Science
ISBN	00294676089780029467602
URL	http://books.google.com.hk/books?id=APbwAAAAMAAJ&hl=&source=gbs_api

註釋

Fertilizers in a changing world. Soil fertility - past and present. Growth and the factors affecting it. Elements required in plant nutrition. Basic soil-plant relationships. Soil and fertilizer: phosphorus, potassium, sulfur, calcium, and magnesium. Micronutrients and other beneficial elements in soils and fertilizers. Fertilizer manufacture. Soil acidity and liming. Soil fertility evaluation. Fundamentals of fertilizer application. Cropping systems and soil management. Ecomomics of plant-nutrient use. Fertilizers and efficient use of water. Interaction of plant nutrients in a high-yield agriculture.