Biological Efficiency in Agriculture

Résumé du livre

Biological efficiency. Agriculture purposes, products and resources. Adaptation to the environment. The supply of nutrients. Reproduction in plants. Grain production. Pulse crops. Oil crops. Root and tuber production. Leaves, stems and flowers. Fruit and nut crops. Sugar production. Other crop products. Fibre production. Fuel crops. Production from lower plants. Adaptation to the environment. The supply of nutrients. Reproduction in animals. Meat production. Fish production. Egg production. Milk and milk products. Other food products. Non-food animal products. Animals for work. The use of faeces. The relative efficiency of plants and animals.