In order to buy cost-effective organic fertilizer equipment at a lower price in the current market environment, the following strategies can be considered:

1. Market research: Conduct detailed market research before purchase to understand the price range, performance characteristics and user evaluation of different brands and models of organic fertilizer equipment. Information can be collected through Internet searches, trade shows, peer recommendations, etc.

2. Technical parameters: According to the production needs of the organic fertilizer production line, determine the required equipment technical parameters, such as processing capacity, energy consumption, degree of automation, etc., to avoid the purchase of equipment beyond the demand and increase unnecessary costs.

3. Brand selection: Choosing a brand with good reputation and perfect after-sales service can reduce maintenance costs and risks in the later period. You can refer to the reputation and ranking of the industry,

4. Purchase timing: Pay attention to the promotional activities of equipment suppliers, arrange procurement plans reasonably, and seize the purchase opportunity to obtain more favorable prices.

5. Used equipment: If conditions permit, you can consider buying used equipment in good condition, usually used equipment is more cost-effective.

6. Negotiation skills: Conduct price negotiation with suppliers to obtain more favorable prices and better after-sales service.

7. Long-term cooperation: Establish long-term cooperation with suppliers and strive to obtain preferential prices for bulk purchases.

8. Performance test: Perform the performance test of the equipment before purchase to ensure that the performance of the equipment meets the expectations and avoid the additional cost caused by the substandard performance of the equipment.

Through the above strategies, organic fertilizer equipment can be purchased at a lower cost and cost-effective investment can be achieved under the premise of ensuring equipment performance.