1. Growth habits

Cassia is warm and humid, and it is drought-tolerant and cold-resistant. It grows well in the hot and rainy season, and the plants are susceptible to frost death at low temperatures. When planted in sandy loam with good drainage, deep soil layer and fertile and loose soil, the root system is developed, and the nitrogen-fixing rhizobium is the most, but it is not suitable for planting in saline-alkali, low-lying and easy-to-water plots and soil-heavy plots.

2, soil preparation and fertilization

Cassia should be planted in a well-drained, loose and fertile high dry plot. After selecting the ground, deeply turn 25~30cm, apply 2500kg of decomposed and chopped high-quality ring fertilizer +25kg of NPK content of 15% of compound fertilizer per acre. After fertilization, level the soil and finen it for sorghum. The width of the sorghum is 1.3m, and the drainage ditch is drained around the sorghum to prevent the occurrence of cockroaches.

3, planting

In the second half of April, the planting should be immersed in a temperature of 50 degrees. During the soaking process, it should be continuously stirred. After soaking in warm water for 12 hours, remove it and dry it slightly. Ditch it by ditch 35cm and ditch depth 3cm. After sowing, cover the soil 3cm, water it, then cover with a thin layer of fire ash, keep the soil moist after sowing.

4. Field management

When the seedling height is 6cm, the shallow soil is weeded. According to the plant spacing between 25~30cm, and check the seedlings to fill the gap, for the lack of seedlings, you can choose to transplant large seedlings and strong seedlings. When the seedling height is 15cm, we will carry out the cultivating and weeding, the squatting between the rows, the shallow sorghum between the plants, combined with the cultivating and weeding, the seedlings will be fixed according to the plant spacing of 30~40cm, and the lean manure and waste water of 1000kg will be applied per mu. When the height of the seedling is 40cm or more, it is necessary to strengthen the management of water and fertilizer, and promote more branches, more flowers, and more pods.

In the early stage of branching, combined with cultivating and weeding, the per capita acre of lean human and animal waste water 1000kg + 25kg of superphosphate will promote multi-branched and multi-flowering results; before plant closure, combined with cultivating and weeding, per acre of fertilized thin human and animal manure 2000kg+ superphosphate 30kg of calcium promotes fruit development and fullness of seeds.

5. Pest control

5.1 Rotational disease: In the early stage of the disease, it is sprayed with 50% thiophanate-methyl WP 1200 times.

5.2 Gray spot disease: In the early stage of the disease, it is sprayed with 50% carbendazim WP 1000 times.

5.3 Aphids: Spray with 40% omethoate EC 1000 times.

6, harvest processing

When the pods turn dark brown, they are harvested in batches, harvested and returned to the sun, and the seeds are laid with wooden sticks to dry the seeds into commodities. The quality of the seed is better for the body, the seeds are full, the color is brown, and the luster is good.

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