Can rice tillering be done without water? Listen to the rice farmer

Rice belongs to the grass family, and the branches that grow below or near the ground are called tillers. On the basis of tiller, it can be divided into primary tiller, secondary tiller and multistage tiller. In theory, the number of tillers is infinite. It can be divided into effective tillers and ineffective tillers according to whether the heading is strong or not, that is, the higher the proportion of tillers and heading, the higher the relative yield. So how do you dry out your fields in bad times?

Mainly divided into early and late. How to insolate the field in the early stage of control: It is most important to insolate the field and the ground to control the production of ineffective tillers and improve the ability to resist lodging and pests and diseases. Shallow water irrigation should be used to promote tillering, and the water layer should be maintained at 2 to 3 cm.

If bubbles and odors are found between paddy fields, water should be released during the day to dry the paddy fields. In general, it should be placed on the soil surface of the field to be exposed, and some water should be stored in the foot socket. At night, sunlight should be poured into shallow water before sunset and the water temperature should be raised to balance the temperature difference between day and night and promote tillering for efficient and rapid growth of new shoots.

Rice cannot do without water. However, this does not mean that water layers need to be established throughout the rice period. Especially IN THE VEGETATIVE GROWTH PERIOD WHICH IS NOT VERY SENSITIVE TO WATER, THE “INTERMITTENT IRRIGATION” WATER layer management method can be adopted, which can not only save water and SOLIDIfy the root, but also promote the growth of TILlers to a certain extent.

In terms of water requirement of rice, the water requirement of rice before booting stage is in medium and low stage, and only at booting stage and anthesis stage does the peak sensitive to water requirement appear. The accompanying technology, known as “water-saving controlled irrigation”, adjusts the amount of water according to peak demand at different times.

After many years of research, the water-saving irrigation technique yielded the best seedling tillering, yield and rice yield. Proper drying, ventilation, water, and use the “rebound effect” of dried seedlings to promote the growth of tillers. The relatively low height and well-developed root system of the dried seedlings in the field meant that rice was much more able to absorb fertilizer and water and to accumulate organic matter.

Rehydration after drying in the field will restore the physiology of rice and will naturally promote the occurrence of tillers. At the same time, it will also enhance lodging resistance and reduce the adverse effects of overfertilization due to height reduction and root strengthening. At TILLERING STAGE, THE WATER ON THE FIELD SURFACE WAS DISCHARGED, AND gradually some small cracks appeared on the field surface to replenish THE water.

How to Dry the Fields at the Late stage of the pest control: In the late stage of the pest control, the rice is almost eliminated, and humus soil, mud fields, lowlands, and overgrown fields are exposed again. Paddy fields, yellow soil, and sandy soil with a less than ideal number of particles were slightly exposed to sunlight. The standard for dry fields is to irrigate a new layer of water when the surface cracks slightly, and to do this repeatedly to ensure that the roots are not starved of oxygen.

Precautions for drying fields: If there are too many weeds in a mulched field, even with dry water, the surface of the field will not be exposed to the sun and will affect the evil division, so the weeds in the field must be removed promptly. Long-term drought will cause anoxia and nutrient deficiency in rice root system, weak growth, easy to develop disease, sheath blight, rice blast, etc. Sheath blight is one of the important reasons for lodging and yield reduction.

The dark soil is deep and fertile. Fields should be exposed to the sun as early as possible and should be exposed to as much sunlight as possible. Dark soil is thin, Tang leakage geology, salt and alkali geology should be light or not exposed to sunlight. Adhering to the principle of shallow irrigation, light sunshine, heavy sunshine and no sunshine, there is basically no problem in increasing production and income.

Rice drying benefits: rice drying has many advantages, such as reducing invalid and redundant tillering, prevent rice green and early maturity, increase the absorption of organic matter in soil, promote the growth of rice tillering stage, reduce filling height, prevent lies late rice in the nest, reduce production, would be helpful to improve the yield of rice. There are so many benefits to drying the fields, but it has to be done well. If not done well, it will lead to evil misdivision and reduced production!

When the seedling is planted 7 cm deep, if the ground temperature is about 1 to 2 degrees lower than the ground temperature of 3.5 cm, low-node tiller will not occur, and the number of tiller nodes will increase. At THE SAME TIME, EACH ELONGATION OF INTERNODE TAKES 5-7 DAYS, TILLERING STAGE IS POSTPONED, AND THE NUMBER OF EFFECTIVE TILLERS IS GREATLY REDUCED. Among the nutrients, N, P and K had the greatest effect on tillers, and N had the greatest effect.

Generally SPEAKING, HIGH YIELD OF RICE COULD BE OBTAINED ONLY WHEN LEAF NITROGEN CONTENT REACHED 4%-5% AT TILLERING STAGE. Light also has a big effect on tillers. After transplanting rice seedlings, if there are many rainy days, insufficient light and less photosynthate, it is not conducive to the occurrence of tillers.

In conclusion, according to the stage of rice growth and development, field drying is a human intervention to promote the transformation of the growth process. The cycle should be determined according to the biological cycle and growing conditions in the field. Early tillering is not enough; late tillering depletes nutrients and is detrimental to high yield.