At present, early rice has entered the stage of young panicle differentiation. In order to capture high yield of early rice, it is necessary to strengthen the field management of rice in the middle and late stages of cultivation and cultivation, increase the rate of ear formation and large ear, increase the seed setting rate and the rate of strong seed.
Scientific water management
The early panicle differentiation stage is the period in which the physiological water requirement is the most in rice. In the aspect of pipe water, it is necessary to rehydrate immediately after the end of the field. During the differentiation stage of the young panicle, the roots were absorbed by moistening and regulating the air, and the roots were absorbed in the middle and late stages of early rice. The shallow water was adjusted at the heading stage to promote the flowering, and the dry and wet alternately increased the grain weight during the fruiting stage. In some fields, due to heavy rain, it is necessary to clear the ditch and drain in time to eliminate waterlogging.
See seedling fertilization
Because early rice consumes more nutrients during jointing and young panicle differentiation, special attention should be paid to seedling fertilization at this stage to ensure the demand for various nutrients in the middle and late stages of growth. The principle of fertilization in seedlings is: high-nitrogen field with thick green leaves and drooping leaves, no nitrogen fertilizer can be applied; rice fields with normal leaf color, 5-8 kg of high-quality compound fertilizer per acre or 2-3 kg of urea, chlorination Potassium 2-3 kg for ear grain fertilizer, to prevent the occurrence of premature aging in the process of heading and fruiting; for the fertilization field with insufficient fertility for leaf color returning to yellow, apply 8-10 kg of high quality compound fertilizer or 3-5 kg ​​of urea, plus Potassium chloride 3-5 kg ​​was applied to meet the demand for nitrogen fertilizer in young panicle differentiation. In addition, within one week after the early rice slashing and heading to the Qisui, the granules were filled with 1-2 packs per mu or 0.2 kg of potassium dihydrogen phosphate for strong seed fertilizer.
Prevention of pests and diseases
The current high temperature weather, coupled with the recent heavy rains, is very conducive to the occurrence of migratory pests, increased humidity in the field, and favorable disease occurrence. All localities should pay close attention to strengthening rice planthopper, rice leaf roller, rice blast in early rice. And other pest control. In particular, the old ward of rice blast should be alert to the occurrence of rice blast. It is necessary to strengthen the inspection and report, accurately grasp the dynamics of pests and diseases, and prevent and control the occurrence of diseases and pests, so as to prevent the occurrence of pests and diseases.
This article URL: Early rice cultivation, strong growth, increased rate of ear formation
Surgical Drapes,New Nonwoven Drapes,Pediatric Universal Drapes,Banded Bag Surgical Drape
Zhende Medical Co.,Ltd , https://www.zdmedicalproducts.com