Detailed Explanation of Key Points of Rice Dry Seedbed Sparse Planting Cultivation Technology

The rice dry seedbed sparse planting cultivation technology is based on the characteristics required for high yield, applying comprehensive cultivation technical measures to promote rice in its growth and development process to achieve strong seedlings, healthy plants, long panicles, uniform panicles, many grains, and plump grains, finally achieving high yield, low consumption, and high efficiency, and achieving high yield and even higher yield. The main cultivation technical key points are as follows:

1. Fertile seedbed dry seedling raising to cultivate strong seedlings

This seedling raising cultivation technology has wide adaptability, good seedling quality, large seedling age flexibility, strong stress resistance, fast greening after transplanting, and obvious yield increase effect, generally increasing yield by more than 10% per mu compared with other seedling raising methods.

2. Shallow transplanting

Shallow water and shallow transplanting are required, with transplanting depth not exceeding 3 cm, therefore requiring high quality field preparation, achieving level fields and softened soil, achieving early growth and rapid development, and promoting low-position tillering to form panicles.

3. Sparse planting

The number of hills transplanted per mu should be less than other seedling raising methods. The specific sparse planting degree depends on the variety, crop rotation, and soil fertility level. Generally, varieties with weaker tillering ability and fields with low fertility should be planted more densely, while varieties with stronger tillering ability and fields with high fertility should be planted more sparsely. Specifically, standardized single-row strip planting is adopted, requiring a transplanting density of 18,000-22,000 hills per mu, and 50,000-75,000 basic seedlings per mu.