Crop Production
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Types of drains
Surface drains Subsurface drains
Purpose of Drainage in Vegetable Production
To prevent water-logging To enhance root growth and nutrient uptake
Use of Garden Line in establishing drains
Ensures straight alignment and accurate spacing during drain digging.
Importance of Good ‘Grade’ in Drain Digging:
Facilitates proper water flow Prevents water stagnation
Crops Usually Planted on Ridges
Potatoes Carrots
Advantages of Using Ridges for Cultivation:
Improved drainage and aeration Prevents water-logging and enhances soil warmth
Tilth
Physical condition and structure of the soil, including texture and fertility.
Purposes of Tillage:
Weed control Seedbed preparation Soil aeration/improvement
Furrows
Trenches or channels in the soil for planting seeds or facilitating irrigation