28:46

Cropping Intensity

25:17

Land Equivalent Ratio (LER)

24:28

Cropping system: Monocropping and Multiple Cropping

23:16

Inverse Yield Nitrogen Law

27:02

Crop Growth Index: Crop Growth Rate (CGR) and Relative Growth Rate (RGR)

26:26

Types and Calculation of Nutrient Use Efficiency

21:24

Principles of Crop Rotation

24:17

Types of Intercropping