CHAPTER 12 SOIL TILLAGE AND MANAGEMENT
CHAPTER 12 SOIL TILLAGE AND MANAGEMENT
Section l Concept of soil tillage and basic manipulation 、 Concept of soil tillage Tillage- The mechanical manipulation of the soil profile for any purpose Soil tillage-oldest procedure of agriculture to manipulate the soil to improve crop production Farmers of West Africa preparing their land for planting
Section1 Concept of soil tillage and basic manipulation 一、 Concept of soil tillage Tillage- The mechanical manipulation of the soil profile for any purpose. Soil tillage - oldest procedure of agriculture to manipulate the soil to improve crop production. Farmers of West Africa preparing their land for planting
Tillage-Modern
Tillage - Modern
Tillage uses more energy than any other cropping procedure Tillage requires time since lifting the soil and moving it can not be done rapidly
• Tillage uses more energy than any other cropping procedure. • Tillage requires time, since lifting the soil and moving it can not be done rapidly
Tillage-Objectives: (1) Preparation of seedbed (2)Control of weeds (3)Fluff soil -reduce bulk density of root zone (4)Soil and Water conservation 犁梁 图122各种无壁犁和松土铲 片上装上犁 柱即为深松土犁 铧翼 犁侧板后踵 胫刃 犁铧 犁铧切削刃 犁铧胫板 铧尖 图12-1铧犁主犁示意图 图12-3铰链耙架尖齿耙
Tillage – Objectives: (1) Preparation of seedbed (2) Control of weeds (3) Fluff soil - reduce bulk density of root zone (4) Soil and Water conservation