Bean planting technology-- scientific planting technology of bean
Very precocious beans-Zaosheng Wang Zaosheng Wang Jiao was bred by Hunan Tiancheng seed Co., Ltd., as its name implies, it is the king of precocious beans. This variety was sown in February and went on the market in April, and became a playful dish on the market at that time, with high price and good benefit, and 1 mu could top 3 mu of other vegetables. At present, it has promoted an area of 150000 mu in Sichuan, Shanghai, Hunan, Hubei, Anhui, Tianjin, Beijing and other places. The method of purification and rejuvenation of beans beans, also known as cowpeas, is a favorite vegetable variety. However, beans are easy to degenerate, and the degraded varieties have the advantages of late pod formation, low yield and poor quality. For conventional varieties, the method of purification and rejuvenation can be used to prevent the degradation of varieties. Many vegetable farmers know that beans are difficult to manage, and it is easy to steep and grow hard to set pods, and even drop flowers and pods from time to time. So what is the reason why it is difficult to set pods? bean intercropping sweet (spicy) pepper sweet (spicy) sweet pepper light requirements are not very strict, short-term shading has little effect on yield, but avoids flower drop and diseases caused by high temperature. After entering the middle and later growth stage of sweet pepper, the suitable temperature for growth and development is about 20 ℃. Direct strong light alone is disadvantageous to the growth and development of sweet pepper, and it is easy to induce virus disease. Cultivation techniques of sowing beans in early spring prepare irrigation before winter, make soil moisture for sowing in early spring, 6 kg per mu, ultra-thin plastic film (70 cm wide), 3000 kg organic fertilizer. Urea 10 kg, diammonium 8 kg, potassium chloride 10 kg. Chemical control technology of bean in greenhouse the cultivation of bean in greenhouse can regulate the growth and development of plant, increase flower and protect pod, and increase yield.
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Two crops of cucumber and beans in one shed and two harvests
Long bean varieties cultivated in off-season are famous for being difficult to manage and demanding high temperature and light, but their yield and efficiency are also high. 1. Raise seedlings 1. Use nutrition cup 5 × 5, or seedling tray 32 points, use good substrate as nutrient soil, two seeds in each planting hole. Specific practice: now wet the matrix with water by 1000 times.
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Main symptoms of bean rust
Bean can be infected with pathogen in the whole growing period, but the resistance weakens and the susceptibility increases during the period from the beginning of flowering to fruiting. The disease mainly affected the leaves, and in the early stage of the disease, there were little faded yellow and white spots under the leaves, and the spots gradually increased until the whole leaf was densely covered. It produces yellowish brown on the back of the disease spot.
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