Grain and empty ridges, will be able to produce high yields

Choosing a good seedling, the high yield and good harvest in the coming year is the purpose of many farmers visiting the Agricultural Fair every year. On the morning of the 23rd, the last science and technology rich lecture hall was being taught during the Agricultural Expo. On the stage, the agricultural experts took the lectures and gave lectures to increase the farmers' income and increase their income. Under the stage, the multi-function hall of the Agricultural Expo Park was packed full of seats, and the farmers listened and recorded carefully. On the background board, “experts help you grow the land, choose the right items, and use the money”, which is following the wishes of the farmers.

High-yield support one:

The cultivation of corn is more than “empty cultivation” and can produce high yield. “After years of careful research and production practice, the second-to-empty cultivation in the cultivation form is the best planting form for high-yielding corn.” Professor of Jilin Agricultural University, Daejeon Crop cultivation expert Hu Wenhe is teaching farmers how to grow corn.

“Growing grain and emptying two ridges is conducive to pesticides after crops are worms.” Hu Wenhe said that the cultivation method of planting two ridges of corn and one ridge is more effective than the empty cultivation technique, and the core is to make full use of the marginal advantage and improve the use of empty ridges. Ventilation and light transmission conditions in the field to increase the yield of photosynthetic capacity. At the same time, due to the appearance of empty ridges, air flow is greatly increased compared with conventional small ridge cultivation, which is conducive to dehydration of corn and improve quality. The use of empty ridges to plant short, early-maturing potatoes, cabbage, beans, etc. can greatly increase farmers' income.

After years of experimentation, the specific cultivation technique can better solve the contradiction between dense planting and ventilation and light transmission, greatly improve the utilization rate of light energy of corn, and fully exert the effect of dense planting, which generally increases production by more than 20%.

High-yield support 2:

Appropriate reduction of corn plant height can increase production

“Is it possible to grow large grains in low- and medium-yield fields?” “What is the reason for low-yield land?” “Is the selection of varieties good?” In the Q&A session of the Science and Technology Enrichment Hall, the peasants who came to listen to the questions rushed to ask questions. Expert Hu Wenhe answered one by one: “The soil form is not good because of insufficient nutrients. It is necessary to return the straw to the field and increase the organic value of the soil.” “Good varieties generally have good looks. Reducing the height of corn plants is beneficial to the ventilation of the fields. Light, improve the photosynthesis of corn functional leaves, accumulate effective nutrients; greatly reduce the water and nutrients needed for corn tassels to bloom, and promote their conversion to corn kernel development, thereby increasing corn yield." Expert Hu Wenhe analysis Corn production increased.

High-yield support three:

Roots and roots with developed roots

Expert Hu Wenhe introduced to the farmers that high-yielding corn varieties should have developed roots and developed aerial roots. Farmers should attach great importance to the spring planting, and control the planting density and support fertilization techniques.

"The root system should be developed, the denser the root system, the stronger the absorption capacity. The roots of the gas should be developed, the roots of the ground should be tied to the surface soil, and it can support the fixation, which can prevent lodging and is more conducive to drainage." Hu Wenhe said, "Yes I know that there is no such thing as completely resistant to cockroaches. In the process of planting corn, flooding for more than 3 days, reducing production by 30%; flooding for more than 3 days is almost impossible. Therefore, farmers must pay attention to the roots of corn varieties when selecting seeds. Increase the harvest index of corn. Besides, the more the leaves, the higher the height, the better the wavy shape of the leaves absorbs the sun.” Hu Wenhe extended his arms to the peasants in the stage to demonstrate the corn leaves. The shape of the growth.

High-yield support four:

Fertilization needs to increase nitrogen, increase potassium, and protect phosphorus

"The corn has gone to the head, and the strength is as big as a cow." Experts at the podium said that the corn is a cross-pollination crop. Before the corn is released from the smallpox, some corn smallpox can be removed, which can increase the corn yield by more than 5%. The specific method is that when the corn ceiling is about to be outcropped, the two rows of corn ceilings should be removed according to 1:2 rows. It is necessary to take 1 or 2 leaf molds when the corn ceiling is not outcropped, which can achieve twice the result with half the effort.

"The further increase of corn production depends on increasing the number of panicles per unit area. In terms of fertilization, the amount of nitrogen should be increased, potassium, phosphorus should be added, and nitrogen fertilizer should be used. The specific method of fertilization is to ensure that the fertilizer is slowed down in one-time fertilization. Interpretation, to ensure that the fat deep 'eat'." Expert Hu Wenhe said.

“Listen to the special addiction, the experts are all practical things.” After class, the farmers immediately surrounded Hu Wenhe and continued to ask questions and ask questions.

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