wang xuan yong mei deng (5 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2017-01-01 Pages: 263 Language: Chinese Publisher: chemical industry press This book on the basis of the version. according to a recent years new varieties and new technologies in potato production. mainly introduced potato varieties selection and kind of potato processing -. pollution-free. green. organic potato cultivation techniques. high quality and high yield of potato difficult analytic.

paperback. Condizione: New. Paperback. Pub Date: 2017-08-01 Pages: $number Language: Chinese Publisher: Chemical Industry Press this book featured 50 kinds of farmers ' favorite potions. covering pesticides. mites. and nematode-killing agents. preventing fungal diseases. bacterial diseases. Virus disease fungicides. as well as herbicides. plant growth regulators and so on. In the application of vegetable production .

paperback. Condizione: New. Paperback. Pub Date: 2017-11-01 Pages: 184 Language: Chinese Publisher: chemical industry press book according to the basic requirement of organic vegetables planting. selection of 10 families often grow or easier to manage kinds of vegetables. the general situation. cultivation management. plant diseases and insect pests identification and comprehensive prevention and control of some of the key technology and knowledge. in the form of chart.

paperback. Condizione: New. Paperback. Pub Date: 2017-01-01 Pages: 480 Language: Chinese Publisher: chemical industry press This book on the basis of the version. according to the needs of agricultural production. introduces in detail the current commonly used fertilizer varieties and new type of fertilizer. including the characteristics of the fertilizer. molecular formula. molecular weight. reactive. physical and chemical properties. quality standard. method of application. simple and easy to identify to.

paperback. Condizione: New. Paperback. Pub Date: 2020-05-01 Language: Chinese Publisher: Relay Press Huang Shanmei Animal Novel Series: Blu-ray Long Dog: The puppy long hair from birth. and lives with family in the hardware Big mouth home in the homes. For livelihood. the dog family is facing the threat of trafficking by the elderly. Brothers and brothers have been hose by strangers. .