Isbn: 9787533733575 - 玉米的增效栽培 (1 risultati)

paperback. Condizione: New. Language:Chinese.Pages Number: 205 Publisher: Anhui Science and Technology Pub. Date :2010-01-01 version 1. Contents: First. the nutritional value of corn and uses two corn production situation and development trend of the three botanical characteristics of four corn. corn The growth characteristics and environmental conditions required five main varieties of corn six or seven natural division of maize production. maize. fertilizer logistics eight. early sowing of spring corn. low-temperature. …