Agricultural Products Lists
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What affects the high yield of summer corn?
What affects the high yield of summer corn? Please introduce that there are four problems that can not be ignored in summer maize production, which have become important factors restricting the high yield of summer corn: first, careless seed selection. Some farmers have the mentality of being greedy for bargains, buying low-priced "improved varieties" from small vendors or informal seed management departments.
2018-07-19 -
What factors affect the yield of corn planting in summer
What factors affect the yield of summer corn planting? Please introduce the factors that affect corn yield as follows: 1. Unreasonable planting density is a prominent problem in current summer corn production. For example, some farmers plant more than 5000 seedlings per 667 square meters (1 mu).
2018-07-19 -
How should the ear period of summer corn be managed?
How should the ear period of summer corn be managed? Please introduce the method of summer corn ear stage can refer to the following methods of management: 1, pull out weak plants, ploughing to promote root. For those small, weak and ineffective plants, they should be removed as soon as possible. The ear stage is generally ploughed for 1 to 2 times. After the small trumpet mouth period, the middle ploughing should be shallow, in order to protect the root and store soil moisture.
2018-07-19 -
How to fertilize corn in summer?
How to fertilize corn in summer? Please guide summer corn to be fertilized as follows: adequate base fertilizer: the growth period of summer corn is relatively short. According to the conditions of fertilizer sources, more mature organic fertilizer should be applied as much as possible, combined with nitrogen, phosphorus and potassium fertilizer. Timely and appropriate amount of topdressing: corn needs more fertilizer, base fertilizer alone can not be full.
2018-07-19 -
What are the hazards of peanut continuous cropping?
What are the hazards of peanut continuous cropping? Please introduce the harm of peanut continuous cropping as follows: 1. It causes serious soil deficiency. Because the root of peanut has a large number of rhizobium, it is not very sensitive to nitrogen. Due to continuous cropping, the soil is lack of elements and can not meet the nutrients needed by peanuts, thus affecting the normal growth and development of peanuts. Continuous cropping time.
2018-07-19 -
What kind of micro-fertilizer can be applied to peanuts?
What kind of micro-fertilizer can be applied to peanuts? Please introduce that trace elements play an irreplaceable role in the growth and development of peanut (such as nitrogen, phosphorus, potassium, etc.). Scientific application of trace element fertilizer is an important measure for high quality and high yield of peanut. Iron fertilizer peanuts need to absorb 264 for every 1 ton of dry matter.
2018-07-19 -
How to be sure that peanuts can be harvested?
How to be sure that peanuts can be harvested? Please introduce that the harvest time of peanuts should be determined according to the appearance of the plant and the maturity of the pod. From the appearance of the plant, the upper leaves turned yellow, the middle and lower leaves changed from green to yellow and gradually fell off, the stem turned yellowish green and withered and soft, the satiety rate was more than 75%, the pod shell hardened, and most pods.
2018-07-19 -
What is peanut potassium deficiency?
What is peanut potassium deficiency? How to prevent and cure it? Please guide when peanuts are deficient in potassium, the edges of the lower leaves turn yellow, the mesophyll between veins fade, and finally the leaves die. The necrotic leaf spot first occurs at the leaf edge and gradually extends inward until the leaf falls off and the parietal lobe is finally damaged. Before the symptoms appear, plant a plant to grow slowly. ...
2018-07-19 -
What method can make peanut increase production?
What method can make peanut increase production? Please introduce that if you want to increase peanut production, you can learn from the following methods: first, clear squatting seedlings after peanut emergence, peel away the soil at the base of the seedlings around, so that two cotyledons are exposed to the ground. This can make the first pair of side branches of peanut early, shorten the internodes of the stem, reach the seedling, and advance the flower bud.
2018-07-19 -
Which diseases should be controlled when planting sunflowers?
Which diseases should be controlled when planting sunflowers? Please introduce that sunflowers need to control the following diseases: first, symptom recognition 1. Sunflower rust is an important disease of sunflower, and the yield is reduced by 40% in pandemic years. Leaves, petioles, stems, sunflower plates and other parts of the disease can form a rust-like spore pile. The leaves are infected with disease.
2018-07-19 -
How to manage the growth period of sunflower?
How to manage the growth period of sunflower? Please introduce the growth period of sunflowers can refer to the following methods of management: 1. Reasonable topdressing. From bud to flowering, 150 kg of urea per hectare, about 15 cm from the root, ditch or hole application, full flowering spraying 0.2% 0.4% potassium dihydrogen phosphate, depending on the growth.
2018-07-19 -
How to fertilize sunflowers?
How to fertilize sunflowers? Please give instructions for the cultivation of sunflowers can refer to the following methods of fertilization: 1 the law of fertilizer demand of sunflowers sunflower is a crop that needs more fertilizer. From the formation of the disk to the flowering stage, it is the peak of fertilizer demand for sunflowers. More phosphorus is needed from seedling emergence to disk formation, and from disk formation to bloom.
2018-07-19 -
How to control sunflower borer?
How to control sunflower borer? Please introduce in detail the method of sunflower borer in which the larvae eat seeds and sunflower plates, which seriously affects the yield and quality of sunflowers. According to the investigation in different sunflower planting fields in the past two years, the seed insect feeding rate was 11.2%, the high was 40.6%, and the average grain insect feeding rate was 21.4%. In order to mention.
2018-07-19 -
How to prevent sunflower shells
How to prevent sunflower shells? Please introduce sunflower outer shell is mainly caused by poor pollination; sunflower center shell is mainly caused by insufficient fertilizer and water, lack of nutrition. Therefore, to prevent sunflower empty shell is to ensure sufficient fertilizer and water, followed by artificial auxiliary pollination. First, strengthen fertilizer and water management. To...
2018-07-19 -
How to choose to keep seeds during wheat harvest?
How to choose to keep seeds during wheat harvest? Please introduce the wheat seed selection and retention work can refer to the following methods: first, single plant (spike) selection: that is, the selection of improved varieties with typical characteristics of this variety, high purity and strong seed quality. This method should be used for those with small amount of seed selection and seed use. Go to the seed field or field two to three days before harvest.
2018-07-19 -
What should you pay attention to before harvesting wheat?
What should you pay attention to before harvesting wheat? The following points should be paid attention to in harvesting wheat: first, the most suitable harvest stage for wheat is from the end of wax ripening to the full ripening stage. The suitable harvest time is high yield, good quality and high germination rate. Early harvest, not full grain, low yield and poor quality. The harvest is too late.
2018-07-19 -
How to prevent sprouting and mildew in wheat harvest?
How to prevent sprouting and mildew in wheat harvest? Is there any way to often encounter rainy and waterlogging weather during wheat harvest, resulting in panicle sprouting or grain mildew, which not only seriously affects the yield, but also results in the decline of wheat quality, storability and seed quality, and brings losses to agricultural production and farmers' income? The preventive methods are as follows:.
2018-07-19 -
How to prevent yield reduction during wheat harvest?
How to prevent yield reduction during wheat harvest? What factors will lead to a reduction in production? The ripening process of wheat includes two stages: the wax ripening stage and the complete ripening stage, and the best harvest period is the last wax ripening stage. Because the 1000-grain weight of wheat reached the maximum at the end of wax ripening, the harvest yield was the highest at this time. If the harvest time is inappropriate, too early or too late.
2018-07-19 -
When is the right time to harvest wheat?
When is the right time to harvest wheat? What method can determine the harvest time? The yield of wheat harvest is the highest and the best in the middle and late stage of wax ripening. The middle and last stage of wheat wax ripening can be determined by the following methods: first, observe the grain. The seeds are generally orange in different shades, and can be seen horizontally after being cut with a knife.
2018-07-19 -
How do you store wheat?
How do you store wheat? Which pests should be prevented? Because wheat storage has the following factors: strong hygroscopicity: wheat seed coat is thin, tissue structure is loose, moisture absorption capacity is strong. The post-ripening period is long: the post-ripening period of wheat is longer. The length of post-ripening period varies with different varieties. The post-ripening period of most varieties ranges from two weeks to.
2018-07-19