1. 01/01/2007 Following several decades of popularity after the Second World War, the use of synthetic herbicides is now experiencing a backlash within the agriculture industry. The increase in organic farming and concerns about potential negative effects on human health and the environment is creating a...
  2. Ce nettoyeur de la graine a été développé ŕ l'Afghanistan pour enlever des graines rondes de mauvaises herbes de grains du blé. Les graines rondes ne pourraient pas ętre séparées par un crible parce que ils étaient la męme dimension comme les grains du blé. Le nettoyeur a décrit ici...
  3. 19/10/1995 The living mulch of Nepal Unexpected source of income - Niger Aggressive colonizers Initiatives to combat savannization and land degradation in Ghana Soil conservation and weed control Green manures - Brazil Cover crops - Honduras Weed management - trees- Kenya Labor issues - India The yield of...
  4. This manual has several purposes. First, the extent and nature of weed problems are studied. Then, the importance of knowing the growth habits of the weeds is discussed. Next the various methods of control are examined. The recommended safety practices are also included in the study. Finally, the...
  5. 19/01/1995 This book has become an indispensable guide for anyone interested in knowing how to recognize, understand and control troublesomeplants. Agricultural production is threatened with a range of alien and indigenous species and our botanical heritage is under threat from a growing variety of alien...
  6. Ressource principale
    21/03/2019 Cette Note Technique donne un aperçu des plantes parasites d’importance agricole en Afrique. Les herbes parasites provoquent un stress de sécheresse et un retard de croissance au niveau des cultures. Les plantes affectées comprennent les céréales (par exemple, le sorgho [Sorgum bicolor] et le...
  7. 01/01/1979 The objective of this book is to portray those grass weeds which are unwanted competitors of our crop plants. The most important characteristics of about 60 species in the flowerless state, as well as their inflorescences, are illustrated in colour photographs. These photographs are accompanied...
  8. 01/01/1985 The purpose of this book is to meet the need for a reference that relates the principles of weed science directly to weed control situations encountered in the field. Although the concept is simple, the objective is difficult to attain. To be successful in weed control, one must conceptualize...
  9. This review reports what has been done by whom. It imcludes articles directly related to weed-crop competition published prior to June 1978.
  10. 01/01/2004 Pgs 208: illus Gift of Wand Krolikowski March, 2023 The weeds shown in this book are arranged alphabetically by family and scientific name within famiy. For each species, the Weed Science Society of America approved family, common and scientific name is shown along with a picture. Alternative...