كتب ذات صلة

The professor''s climate secrets

The potato

The potato : a practical treatise on the potato, its characteristics, planting, cultivation, harvesting, storing, marketing, insects, and diseases and their remedies, etc., etc.

The potato a practical treatise on the potato, its characteristics, planting, cultivation, harvesting, storing, marketing, insects, and diseases and their remedies, etc., etc.

• Brassica crosses
  
• Experiments in crossing a wild pea from Palestine with commercial peas
  
• The progress in vegetable cultivation