Sitting in the field, the main spikes and the early-born tillers are early and early, and the headings are not uniform. It is easy to cause the illusion of mixed seeds. The heavy ones are late and the tillers are severely delayed, resulting in abnormal harvesting. damage.
For the sitting squat, the common method is to use zinc sulphate to solve the problem of low-effectiveness of zinc at low temperature; the second is to drain the rice after transplanting. However, due to the lack of water source guarantees in many areas, it is impossible to drain the fields, and some fields cannot drain the water at all, resulting in a lack of coping methods.
The essence of sitting is that there is a serious lack of growth. The root cause is that the root system is underdeveloped. The roots have no absorption capacity, and can not absorb the nutrients needed for growth in the soil. The root system is the most important organ for absorbing water and nutrients. The so-called roots are deep and leafy. Therefore, the key to solving the problem is to solve the root activity.
1. The nursery school adopts dry nursery, two leaves and one heart and 4-5 leaves, and the rooting lengthening agent is applied twice. The age of the age is 30-35 days. The late-maturing variety can be extended to the age of the horse, so that the dwarf leaves are more developed and the roots are developed. Excellent seedlings.
2. After transplanting for one week, the squatting field will be immediately used with the root-promoting agent plus the big-name versatile tyrant (full-nutrient micro-fertilizer), and the leaf surface will be sprayed once; for the sitting field, it can be used in the conventional dosage. Double the use, basically can grow normally 5-7 days after application.
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