Okra
Coffee ambrette (scientific name: Abelmoschus esculentus (Linn.) Moench) which is also called okra, malvaceae annual herbaceous plants.Stems cylindric, hydrophobic raw powder.Leaves palmate, lobes broad to narrow, stipule linear, be thin bristles.Flowers solitary, axillary peduncle hydrophobic rough bristles, bracteole bell;Calyx bell, densely covered with short stellate hairs;Flowers yellow, purple inside the base, capsule tubular spire, seeds globose, with MAO veins.September 5 - flowering.
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First, the strong seedling management strong seedlings is the number of tillers moderate, thick, broad and deep leaf color, root system developed, spike rate is higher. Such seedlings should be protected mainly, that is, a reasonable application of fertilizer and water, combined with cultivator, to prevent its weakening or turning prosperous. However, different management measures should be taken for different strong seedlings.
1. The foundation of fertility is poor, but because of the strong seedlings formed at the end of the crop, a small amount of readily available fertilizer can be applied to prevent the detoxification of the wheat seedlings and to ensure that the wheat seedlings are strong.
2. Fertility and sensation are insufficient, but because of the strong seedlings that have been established for appropriate sowing, fertilization should be applied as early as possible to prevent the wheat seedlings from becoming weak and strong.
3. Fertility and lyrical conditions are sufficient, and the seedlings formed by appropriate sowing may not be fertilized before winter, but early cultivating, loosing the soil, and aeration are all necessary to increase the temperature of the soil and promote the early return of the young wheat to early growth. If there is a long-term drought after emergence, watering can be done once; if the wheat seedlings grow unevenly, some quick-acting fertilizers can be applied in combination with watering. If the soil is not real, water can be applied to the solid soil or repression to prevent the soil from empty and empty.
Second, Wang Miao management
1. Because of the high soil fertility, the amount of base fertilizer is large, and the vigorous seedlings and the sowing of seed are formed too early. This type of seedling leaves hypertrophy, leaves color green, the main stem in the first internode elongation of 2 to 3 centimeters or more, the distance between the upper and lower ear ear 1.0 to 1.5 centimeters, the total number of stems too much. When the low temperature comes in winter, the main stem and the big shoot tend to freeze to death, and the spring turns into weak seedlings. For this kind of wheat seedlings, the prevention measures are appropriate sowing. The management measures are to use Wang Miao as a weak seedling to control, promote and control the combination, and take repression and fertilizer to combine water, control the big clams, promote small clams, and fight for wheat seedlings by Wang Turn strong.
2. Due to the high soil fertility, the large amount of base fertilizer, and the excessive seeding rate, Wang Miao is formed. This group of seedlings is large and the leaves are large in color and green, but the first internodes of the main stem have not yet been elongated. Although winter does not suffer from cold damage, large groups often result in late lodging. For these types of wheat seedlings, the prevention measures are to reduce the amount of available nitrogen fertilizers and reduce the sowing rate. The management measures are to control the supply of water and fertilizers, deep cultivator, control the ineffective delivery, not apply green manure, do not pour green water, and do not apply body fat. Do not pour water, till the polarization before and after the jointing has been basically completed, when the leaf color began to fall naturally and then top-dressing water, get up to the jointing period or early jointing stage to suppress, suppress the main stem and Oita longevity, reduce the small childbirth Breed. During the jointing stage of vigorous seedlings, it should be sprayed with chlormequat (50% chlormequat 100-200 g, 50 kg water, 60-75 kg per mu spray liquid) to prevent and prosper.
How to manage the winter wheat seedlings
The high yield of wheat and the cultivation of strong seedlings are the key factors. It is necessary to combine the actual conditions and conduct scientific management of classifications due to the appropriate seedlings.