This year, the city's returning green period for wheat is March 8, which is a normal year. In the returning green period, there are sufficient groups and individuals are robust. In the early spring of wheat management, water-saving and high-yielding are the starting points for timely monitoring of wheat seedlings and soil moisture, and good spring management.
Spring management due to seedlings
The management of a class of seedlings (grains with a total stem number of 800,000-1, 000/mu, short blade width, and robust growth) should be carried out as early as possible when the tip of the leaf is exposed to the tip of the tip of the leaf. Tip - 4 leaves exposed tip) "Stomach seedlings" lay the foundation. For a wheat field with a total number of stems of more than 1 million per mu, if the soil moisture is adequate and the base fertilizer is sufficient, the fertilizer and water management may not be carried out in the returning green period, and the spring fertilizer and water may be applied in the jointing period (4 leaves of Lujian-5 leaf tip) at one time.
The second type of seedlings (the total number of stems of 60-800000 per mu, the growth of more robust wheat seedlings) return to the green stage in the spring 2 leaves - spring 3 leaves exposed tip fertilizer and water management, the period of the appropriate period of "seeding", not fertilizer management, to accelerate Invalid, degenerate.
Three types of seedlings (less than 600,000 mu/mu wheat field) are returned to the green stage for fertilizer and water management at the time of spring 2 leaves and 3 leaves exposed. If the moisture content is adequate and the base fertilizer is sufficient, it can be postponed until the spring 3 leaves-4 Ye Lujian. Fertilizer management. Fertilizer and water management at the jointing stage was completed before the spring 5 leaves exposed to ensure that there were enough panicles.
Because of the realization of water-saving irrigation
At present, soil surface moisture is slightly insufficient, and it can be managed in the form of water-fed fertilizer in the returning green period. Urea 5-10 kg of urea can be applied, and the weak seedlings can be applied less, and the weak seedlings can be applied more often; watering 20-30 square meters per acre (sprinkler irrigation 2) - 3 hours), small water can bring the fertilizer into the soil. If the land for flood irrigation is adequately irrigated with frozen water and the seedlings are in good condition, it may not be managed in the returning green period, and the wheat's ability to absorb deep soil water can be fully utilized to reduce ineffective water consumption and achieve water-saving irrigation.
Cut into small pieces and put in the sun
Zucchini (Latin scientific name: Cucurbita pepo L.), alias bear (male) melon, watermelon, white melon, small melon, papaya, horn melon, sundae melon, etc., annual herb sturdy vine (vine), native to India, South China, North China There are plantings, dwarfing, semi-trailing, and three-trailing. Most varieties of zucchini have obvious advantages in the main vine, and few and weak side vines. Stems stout, terete, with short white setae. Likes moist, not drought-tolerant, especially in the fruiting period, to keep the soil moist to obtain high yield. Virus diseases are prone to occur under high temperature and drought conditions, but powdery mildew is also prone to occur under high temperature and high humidity. Zucchini does not require high soil, and can be cultivated in sandy soil, loamy soil and clay soil. It contains more nutrients such as vitamin C and glucose, and has the functions of clearing away heat and diuresis, eliminating irritability and thirst, moistening the lungs and relieving cough, reducing swelling and dispersing knots. Eating more helps to enhance the regeneration ability of liver and kidney cells.
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