xiao shun zhang shao sheng (3 risultati)

paperback. Condizione: New. Language:Chinese.Pages Number: 118 Publisher: Fujian Science and Technology Pub. Date :2007-04-01 version 1. Contents: First. the vegetables difficult diagnostic techniques and pollution prevention and control of disease diagnostic techniques pollution prevention techniques 1. Health and epidemic prevention three off 2. Fitness cultivation strict three 3. Agents to prevent the three fitness Second. clubroot Diagnosis Case 1. Cauliflower clubroot 2. Cabbage root swelling and pain 3. Mustard cl.

paperback. Condizione: New. Paperback. Pub Date: 2021-04-01 Pages: 256 Language: Chinese Publisher: Fujian Science and Technology Press This book is divided into three parts: diagnosis and treatment of fruit tree diseases and insect pests. disease and insect pests.?Diagnosis and treatment basis introduces the types of fruit tree diseases and insect pests. epidemic characteristics and laws. diagnosis essentials. control strategies and measures; the diseases are classified according to the types of fruit tree diseases. an.

Hardcover. Condizione: New. HardCover.Pub Date:2021-08-01 Pages:578 Language:Chinese Publisher:Fujian Science and Technology Publishing House The main line of control. the content covers the morphology. classification and identification. research methods of crop pathogenic nematodes. the development and utilization of nematode biocontrol agents. etc. It also covers the diagnosis. ecology. microecology. epidemiology. and Principles of prevention and control: The diagnosis and prevention and control technology of nematode.