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What are the key management points during the grain-filling stage of rice?
The grain-filling stage of rice is the critical period that determines yield. Field management should aim to nourish the roots and protect the leaves, prevent premature senescence, improve photosynthetic efficiency, promote grain filling, and increase the seed-setting rate and grain weight. 1. Supplemental application of grain fertilizer: apply grain fertilizer according to the seedlings, the field, and the weather. Apply it when the leaf color is on the yellowish side and the flag leaf is short and small; do not apply it when the leaf color is deep green and the flag leaf is large and plump. Apply it to lean fields, not to fertile fields; apply it when there are many sunny days, not when there are many cloudy and rainy days. Generally, it is appropriate to apply 2-3 kg of urea per mu at the booting stage.
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Key Cultivation and Management Techniques for Machine Transplanted Rice
1. Field Ploughing and Preparation Requirements 1) Field ploughing and preparation: rotary tillage depth of 10-15 cm; plough tillage depth of 15-20 cm. 2) Field levelling: the surface height difference within each field block shall not exceed 3 cm. The field surface shall be basically free of weeds, debris, shallow stubble and other residues.
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What Are the Methods for Determining Herbicide Damage in Rice
Currently, most people mix pesticides when using them in order to increase their effectiveness. However, if used improperly, this can easily cause herbicide damage. How to determine whether it is herbicide damage through investigation and analysis? The following methods are introduced: 1. From
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Key Field Management Points 5-7 Days Before Transplanting for Dry-Raised Rice Seedlings
As one of the rice industry demonstration county projects, Dapai Village, Shangguan Town, Dali City, has a rice area of 1425 mu this year, with a yield target of 750 kg/mu. To achieve high and even higher rice yields, agricultural technicians at both the city and town levels have gone into villages and households, gone deep into the fields, and earnestly guided
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Rice planting requires good soil preparation and pre-transplanting weed control.
In order to better carry out agricultural technology extension work, in addition to conscientiously summarizing last year's work and arranging this year's tasks, to ensure increased crop grain production and income, on April 6, at the critical season, 3 scientific and technical personnel from the Kaiyuan City Seed Management Station went to Longtan Village and Renshou in Dazhuang Township to visit science and technology demonstration households.
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Detailed Explanation of Key Points for Early-Stage Cultivation Management of Rice in Paddy Fields
As the saying goes, "three parts planting, seven parts management." After rice transplanting, it enters the paddy field management stage, and whether management techniques are in place has a great impact on per-unit yield. The core of early-stage cultivation management in paddy fields is "applying tillering fertilizer heavily and early." This can promote early and rapid growth of seedlings, ensure early formation of effective tillers, and lay the foundation for high yield.
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Rational application of booting fertilizer to rice for high yield
Rice cultivation is very common in our southern region, and the demand for rice in our country is enormous, but as more and more young people go out to work, more and more fields have been abandoned, resulting in the current state where rice cultivation in our country is far from meeting demand.
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Detailed Explanation of Key Techniques for High-Yield Cultivation of Hybrid Rice
1. Seedling Raising (Dry Seedling Raising Technique) 1. Seed treatment and germination acceleration: Before soaking the seeds, sun-dry them for 1-2 days, rinse with clean water, remove the empty and shriveled grains, and put the seeds in a nylon mesh bag. Then soak the seeds in a 500-fold dilution of 50% carbendazim wettable powder for 24 hours, take the seeds out, wash them clean with clean water
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Don't Forget to Supplement Silicon and Zinc Fertilizers When Fertilizing Rice
In the optimized formula fertilization of rice, people often attach great importance to the combined application of macronutrient fertilizers such as nitrogen, phosphorus, and potassium, but overlook the application of elements such as silicon and zinc. In fact, rice is a crop that absorbs a relatively large amount of silicon, and the stems and leaves generally contain 10
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Growing sweet potato vines on trellises can increase yield
Last autumn, on the day we dug up the sweet potatoes, many onlookers came over, because they wanted to see just how the yield turned out after growing sweet potatoes on trellises. As soon as several piles were dug up, the onlookers were full of praise: the trellised sweet potatoes had grown really well, large, uniform, and abundant in yield!
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