What are the desirable agronomic characteristics for crop improvements ?

Explanation

To answer the question regarding the desirable agronomic characteristics for crop improvements, we can break it down into the following steps:

### Step-by-Step Solution:

1. **Understanding Agronomic Characteristics**: Agronomic characteristics are traits that affect the growth, yield, and overall performance of crops. These traits can be manipulated through breeding and agricultural practices to improve crop production.

2. **Tallness in Fodder Crops**: One desirable characteristic for fodder crops is tallness. Taller plants can provide more biomass, which is beneficial for livestock feed. Additionally, tall plants can shade out weeds, reducing competition for resources.

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