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CTNS/20`FCL
Pork
Chicken
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198g
198G * 72 TINS / CTN
1200
198G * 36 TINS / CTN
2350
198G * 24 TINS / CTN
3400
340g
340G * 48 TINS / CTN
1100
340G * 24 TINS / CTN
2200
360g
360G * 24 TINS / CTN
1650
397g
397G * 48 TINS / CTN
900
397G * 24 TINS / CTN
1800
1588g
1588G * 12TINS / CTN
900
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Jaggedosis caused by zinc deficiency in rice Usually, the septicosis caused by zinc deficiency in rice occurs within 2 to 4 weeks after transplanting, with a high incidence of about 20 days. The base of the new leaves of rice seedlings is chlorogenic and white, the old leaves are brown patches on both sides of the veins, or have irregular brown spots; the tips of the lower full leaves are dry, the newly drawn leaves are short and narrow, and the leaves emerge slowly. Irrespective of whether or not the plants are dwarfed, the peasants call them "collapsed seedlings." If the early rice field appears to be stiff, it will significantly affect rice production.
The direct cause of this type of severe seedling production is zinc deficiency in seedlings. The regularity of the distribution of the diseased area is: there are many fields in Tiantang, and there is less in Tiantian; there are many rice fields in Xinwei and there are few old rice fields; there are many years of low temperature and overcast rain, and there are few years of high temperature sunshine. Judging from the above distribution laws, the environmental conditions that cause zinc deficiency are low temperature and the availability of available zinc. For example, calcareous soils and saline-alkali soils have low effective zinc content and are prone to zinc deficiency. Excessive application of chemical phosphate fertilizers to the soil year after year will also make The effective zinc in the soil is reduced, which leads to induced zinc deficiency in paddy fields. In addition, there is no organic fertilizer and trace element zinc in paddy fields.
Rice seedlings caused by potassium deficiency caused by potassium deficiency is generally appeared after the rice varieties return to green, peaking within 20-30 days after transplanting. The main symptoms are: stagnant growth, short plants, dark green leaves, and fewer tillers. The lower leaves of the plant gradually appeared yellow-brown to auburn spots from the tips of the leaves to the leaf base, and were evenly streaked. Severe symptoms of leaf margin rupture from bottom to top cause dead. The reason is that the available potassium in the soil is not available, for example, in strong sandy soils or in leaky lands; the indirect cause may be excess partial nitrogen fertilization, resulting in serious imbalance of nitrogen and potassium nutrition and rice potassium deficiency; or it may be due to chilling of rice roots, etc. Symptoms caused by rice deficiency Phosphorus deficiency in rice caused by the symptoms of fresh seedlings is dark green leaves, the lower leaves purple, leaves small and erect, leaf sheath long and leaves short. Rice seedlings have fewer tillers, less brown roots, and no white roots. The reason is that the available phosphorus in the soil is not available, causing phosphorus deficiency in rice seedlings. The seedling stage is the critical period of phosphorus nutrition, which is sensitive to phosphorus and easy to lack of phosphorus. The most important reason for indirect reasons is that the rice fields are cold and the soil temperature is low. The cold environment can not only hinder the release of organic phosphorus in the soil, but also make it difficult for the inorganic phosphorus in the soil to migrate to the root surface, resulting in the failure of phosphorus supply.
From the analysis of the three different types of “freezing seedlingsâ€, there are many reasons for the emergence of seedling emergence of seedlings. First of all, according to the plant's long-term and environmental conditions to make a comprehensive judgment to determine the type of nutrient. In terms of prevention and control, both symptomatic fertilization and integrated management of temperature and moisture in paddy fields are needed to achieve a good result in solving the problem of the frozen seedlings.
Symptomatic fertilization is the key symptomatic fertilization is a direct and effective measure to solve the problem of frozen seedlings. However, in order to be "symptomatic", it must be diagnosed first. The principle of diagnosis is to combine the identification of appearance symptoms of plants with the diagnosis of soil nutrients. Especially for the lack of trace elements should be more cautious. For example, rice deficiencies in zinc deficiency should be verified by measuring the available zinc content of the soil. After affirming the zinc deficiency disease, it is also necessary to reasonably select suitable zinc fertilizer varieties, application rates, and uniform application methods to achieve drug elimination; in the method of supplementing phosphate fertilizer, it is necessary to pay attention to the selection of phosphorus fertilizer varieties and appropriate Fertilization location, general southern rice using ordinary calcium phosphate or calcium magnesium phosphate fertilizer, but also to put the phosphorus fertilizer applied to the soil under the root of the area; for the prevention and treatment of potassium deficiency, the main supplement is potassium, suitable for paddy field application Potassium fertilizers are superior to potassium chloride.
The rice planting area in China is vast, and the types of rice planting from south to north include early, middle, late and single- and double-season rice. Especially in the early rice in the south and the cold rice in the northeast, the rice seedlings sometimes appear stiff during the seedling growth after transplanting. The performance of the transplanted rice was slow and the rice seedlings were not long or slow, and the farmers called it a “stiff seedlingâ€. The reasons for causing stiff seedlings are very complicated. If you look closely at them, you will find that rice blast disease can be divided into the following three types: