Putian management must keep up
"Little Full" is a solar term, and the farmer has "run to the Little Man Gu Ben Qiu." At this time, the middle rice in southern Sichuan has been fully planted. How should the rice fields be managed? Recently, the author visited Dai Bin, head of the agricultural technology station of Huguo Township, Naxi District, Luzhou City, and he introduced some key techniques of rice field management: Post-transplanting field tube After transplanting rice, due to root injury, the ability to absorb water and fertilizers was reduced, the aboveground parts stopped growing, and the leaf color turned yellow until the new roots began to grow. Seedlings fill seedlings. After transplanting, there is often a phenomenon of lack of acupuncture. The seedlings must be checked in time to ensure the proper density and number of seedlings. See seedling irrigation. The big seedlings can be filled with some water after transplanting. After two or three days, the seedlings will fall to a depth of about 1 inch. When the young seedlings are transplanted, the seedlings will be planted with about l inch of shallow water. Follow back green fertilizer. Dry and eel return to green, water eel return to green slowly, when the new root grows, can be applied to return green manure, in order to promote the birth of new leaves faster, early delivery. When topdressing irrigation shallow water l inch or so, topdressing urea (or ammonium bicarbonate) about 2 kilograms per acre. Control the damage of leaf miners. With the transplanting of rice, leafminers are also transferred from the field to Daejeon. Can spray "dimethoate", the effect is very good. Childbirth management The tillering stage of rice is mainly the long-rooted, long-leaved and long-term pod trophic plants. It is the main period of vegetative growth and the key period for determining the number of panicles. Management tasks: To promote the early delivery of children, to increase the effective rate, to control the failure, to reach the normal "jointing festival" during the highest delivery period, laying the foundation for high yields. Apply fertilizer early. At the beginning of tillering, topdressing nitrogen fertilizer to meet the needs of long-leaved rice and long-term tillering, 2.5 kg of urea per acre is appropriate, and no more than 5 kg. Fertilization should not be too late, otherwise it is prone to lodging. Ground water pouring, appropriate drying field. Rice during the period of delivery, especially during the effective delivery period, is generally about 1 inch watering, can increase the temperature of the ground water, promote the decomposition of soil nutrients, adequate lighting and oxygen at the tiller festival, can promote the occurrence and growth of the earthworms. Saline-alkali land is to be irrigated with live water to prevent deterioration of water quality and endanger rice seedlings. After the end of the effective delivery period, deepwater irrigation is required to suppress childbirth. When the growth is too prosperous, it can be combined with drainage and drying the field to control growth and reduce ineffectiveness. It plays an important role in preventing lodging. Weeding should use herbicides in a rational way. It can not only eliminate weeds in paddy field, but also relieve a lot of heavy labor. During the delivery period, pests and diseases need to be controlled. The main diseases are rice blast, bakanae, brown spot, bacterial leaf blight, and sheath blight. Insect pests such as cicada borer, rice thrips, rice leaf roller, etc. Should promptly check and timely prevention and treatment.
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