“Qingming†solar terms are the agricultural busy season for early rice cultivation in our county. At this stage, early rice production is mainly focused on early and timely insertion, improving the quality of rice transplanting, and performing field management after transplanting, so as to promote early return and early delivery. To ensure the formation of effective panicles, laid the foundation for the harvest of early rice.
First, timely insertion
Early rice early planting can take full advantage of the fertility time of the year, extend the vegetative growth period of the field, accumulate more nutrients, promote early maturing and high yield this season, and also create favorable conditions for post-production. The suitable rice transplanting period for early rice should be determined according to the following aspects:
1, according to climatic conditions to determine the transplanting period. The temperature indicators for determining the rice transplanting stage are as follows: The daily average temperature is stable above 15°C, and the temperature rises steadily to more than 20°C within 10-15 days.
2, according to the characteristics of the arrangement of transplanting period. In order to ensure a certain period of vegetative growth in the field and seize high yields, early rice should be planted in accordance with the length of the growing period and the sowing time. Generally, the varieties with strong cold resistance and the varieties with late maturity should be planted first. The varieties with medium and early maturity should be inserted as appropriate according to the planned age.
3. Determine the transplanting period based on the harvest period of the previous crop. In some areas, early rice is limited by the harvest period of winter crops, but it is also necessary to consider early plugging, early harvest, and high yield, which are favorable for post-production. Therefore, the season is more urgent. In order not to violate the agricultural standards, we must pay attention to the organization of good labor, so that we can collect and trim the land while transplanting rice.
Second, improve the quality of transplanting
When planting rice dumplings, it is necessary to fine-tune the soil in advance, and Daejeon's site preparation should be leveled off to maintain a shallow water layer. To improve the quality of rice transplanting, it is necessary to ensure close planting specifications when inserting (throwing) rakes, to ensure that there are appropriate basic seedling numbers, and to promote the early return of green rice to rice cultivars, thereby obtaining an important part of high yield. The standard for proper close planting is 1.5-1.8 thousand bushes per acre, the total number of seedlings in the field is 7-8 million seedlings, the maximum number of seedlings for a tiller is 250,000-30,000, the tiller rate is about 70%, and the effective ear is 200,000. Left and right, this group structure is well-developed and has many large grains and spikes.
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