The latest time and method of root cutting of wheat

Root cutting measures can promote root growth, increase root number and root length, make root system developed, wheat seedlings strong, but also can inhibit wheat ineffective tiller, enhance cold resistance of wheat seedlings, make it safe winter, make internodes shorter, prevent lodging, but also can increase ear grain, improve yield. So what conditions do you need for wheat root cutting? How do we proceed? Let's take a look.

1. Conditions for root cutting and yield increase

First of all, it depends on soil conditions. Soil fertility is the basis of high yield of wheat. Wheat roots and tillers have strong automatic regulation ability in fertile soil. Not only do they have more tillers and ears, but also the roots are significantly developed than those in general wheat fields. The soil suitable for root cutting is medium or above fertility. It is necessary to look at the conditions of wheat seedlings. The requirements are that more than 6 main stems and leaves, more than 5 tillers per plant, and strong seedlings with secondary roots as long as 10~15cm are required. For over-prosperous wheat fields, seedlings are more than 30 cm high, no tillers occur, and tillers are also very large. It is not appropriate to use root cutting to solve the problem of too large population and excessive wheat seedlings.

2. Root cutting time

Root cutting in winter should start before winter, and the most suitable time is 8-15 days of daily average temperature. It should also be carried out in the middle of November, and in the south of Shandong Province until the end of November, when the secondary roots of wheat have extended to the rows. It is advisable to cut off roots at the beginning or early stage after rejuvenation, that is, from the middle and late February to the beginning of March. The root is cut off deeply in the rising period to start rising, and the second leaf grows in spring, and the leaf spacing begins to lengthen, which is appropriate in the middle of March.

3. Root cutting method

There are many methods of wheat root-cutting, such as deep hoeing between rows, artificial deep-planing, deep cultivation and mechanical root-cutting, etc., but artificial deep-hoeing and artificial deep-planing are rarely used because of their high labor intensity and low labor efficiency. In the past, it was commonly used to cut roots by animal power, that is, to pull the rear teeth of the three-tooth hoe deeply for more than 10 cm, and then remove the soil on the wheat seedlings with bamboo harrows and push the furrow flat to prevent wind and moisture. Wheat root injury should be determined according to soil fertility and seedling stage. If the soil fertility is good, the seedling situation is prosperous and the population is large, the root injury should be heavier. It can be cultivated in rows, with a depth of about 15 cm. But the soil fertility general or is good, the strong seedling, the colony suitable may wound the root light spot, uses the alternate row tillage, the depth achieves 10 centimeters or so is suitable.

The above is the introduction of wheat root cutting time and method. I hope it can help you. If you want to know more about it, please pay attention to us.