Actress is a common problem in summer vegetable nursery. The symptoms are: the stem is slender, the nodes are long and sparse, the leaves are light green, the tissues are tender, and the roots are scarce. The cause of leggy seedlings is mainly due to lack of light and high temperature, especially at night when the temperature is too high, the temperature difference between day and night is small, and the breathing consumes too much nutrients. In addition, too much nitrogen fertilizer and water can easily cause leg seedlings to grow. Preventing leggings nurses should adopt a variety of measures and adopt different methods at different times. These methods mainly include: First, the sowing density should not be too large to avoid seedling crowding after emergence. For example, eggplant vegetables generally require 2-3 square meters of seed bed per mu. At the same time, ground coverings were removed in time after emergence. Melon vegetables are best sown directly in the tray. Second, and time seedlings, planting and planting. After emergence, eggplant should be seedlings and time; when the two leaves of the seedlings should be planted, the planting should be carried out. The density of the planting should be controlled at 120-130 per square meter; the eggplant should be planted when the seedlings are 4-6 leaves. Legumes are planted when two true leaves are about to be planted; melons can be planted at the time of three leaves. Third, to enhance ventilation and light, control of temperature and humidity. High temperature, high humidity, and low light are important reasons for seedlings growing seedlings in the summer. Management should be carried out after the emergence of the seedlings, before planting, before planting, after planting, after transplanting, and before planting, ventilation, light, temperature, and humidity should be controlled. Overgrowth of seedlings. Fourth, reasonable fertilizer and water management. Strict control of moisture and topdressing in the seedbed requires topdressing nitrogen fertilizer when dressing is required. V. Timely sparse seedlings. About 20 days before the planting of eggplant and melon, the overcrowding of the seedlings often occurs. At this time, the seedlings should be properly moved to separate the seedlings and the living space of the individual plants. Sixth, drug control is long. In addition to the above-mentioned measures, once the seedlings are grown, they can be sprayed with 750-fold booster or 1500-times booster.
Transglutaminase is an enzyme that catalyzes the formation of isopeptide bonds between proteins. Its cross-linking property is widely used in various processes: to manufacture fish and other fish products. Transglutaminase has considerable potential to improve the firmness, viscosity, elasticity and water-binding capacity of food products.
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