"Grow soybeans, four, five, six"! How to grow summer soybeans with high yield? Four common sayings speak volumes!

Soybean is one of my country's main food and cash crops. It is an annual herbaceous plant. In northern Anhui, it is one species a year. Now that the wheat has been returned to the warehouse, the next crop is planted. Soybeans, but due to the consecutive days of drought, soybean planting had to be postponed. Today, the weather was beautiful, and it finally rained heartily. The fields were also full, so we need to seize the time to sow summer soybeans.

Soybeans are native to my country and were called Shu in ancient times. They have been cultivated for five thousand years. Soybeans are rich in plant protein and can be used to make various soy products, extract soybean oil, brew soy sauce and extract protein raw materials. etc., especially Heilongjiang soybeans are famous far and wide. The flowering period is from June to July, and the fruiting period is from July to September. The pods are fat, oblong, slightly curved, and have good economic benefits.

How to grow high-yielding soybeans? The ancients have accumulated rich experience in this regard, and the four common sayings are clear at a glance.

1. Beans on both sides of the Summer Solstice, wheat on both sides of the Double Ninth Festival

This saying means that before and after the Summer Solstice is the best time to plant soybeans, and before and after the Double Ninth Festival is the best time to plant wheat. The summer solstice is the tenth of the twenty-four solar terms. During this period, most areas in my country have high temperatures, sufficient sunshine, fast crop growth, strong air convection, and abundant rainfall, which is conducive to the growth and development of crops. For the Jianghuai region, it is " "Meiyu" season.

Soybeans are a temperature-loving crop. The suitable temperature for germination is about 23℃, and the optimal temperature is 25℃. Once it exceeds 32℃, the germination and growth of soybeans will be inhibited, and around the summer solstice , the outside temperature just hovers around 25°C. If it is in the front, the temperature will be low, and if it is in the back, it will be a hot dog day, which is not conducive to the germination and growth of soybeans, so it is most suitable to sow soybeans around the summer solstice.

2. Maiza Huangquan Valley reveals chaff, and beans stick to the ground

This saying means that wheat should be sown deep, millet should be sown with the outer skin exposed, and soybeans should be sown shallow. , This is only because soybeans are dicotyledonous plants. The so-called dicotyledonous plants have two germinating cotyledons, and the cotyledons contain rich nutrients, which can provide seeds for germination and seedling growth. Common crops such as cotton, soybeans, peanuts, etc.

However, the dicotyledon's ability to germinate and break through the soil is very weak, because it needs to use its tender cotyledons to break through the soil layer before it can see the light of day again. Once sown too deep, the cotyledons cannot break through the soil layer and can only suffocate in the soil. , even if they are unearthed, they are weak and yellow seedlings and cannot produce high yields. Therefore, soybeans are generally sown shallowly, with a depth of about 2 cm.

3. Corn before the rain, beans after the rain, farmers celebrate the harvest in advance

This saying means that corn should be sown before the rain, and soybeans should be sown after the rain. In this way, you will have a bumper harvest in autumn. This is because the soybean seed coat is thin, the seed embryo is large, and it has strict water requirements. Especially in the hot summer weather and the soil is dry, it is difficult for soybeans to germinate after sowing, and the temperature is high. It will rot and deteriorate in the soil, never sprout and grow again, and eventually become fertilizer.

After heavy rains, the soil is moist. After the soybeans are sown, they will soak in it and soon become full of water and sprouts will appear. During this period, if the soil moisture is insufficient or it dries up halfway, the seeds will be easily lost. In terms of rooting ability, even if the seedlings barely sprout and emerge later, they will still be weak seedlings and unable to produce high yields. Sowing soybeans after rain can perfectly avoid this and form strong seedlings, which will naturally lead to high yields.

4. If you want to plant beans, four, five, six; if you let go, seven, eight, nine.

This proverb means to plant soybeans, and bury four or five in each hole. , but in the past, when farmers sow seeds, they often do not use machines to till the seeds, but spread them in the holes with their hands. It is easy to pinch 7, 8, 9, 8 or 9 seeds. Therefore, soybeans grow almost close to the roots. Dense planting of other crops may cause problems due to the closed branches and leaves. photosynthesis, thereby reducing yield, but the opposite is true for soybeans.

Because soybeans are cereal crops, their stems are upright, and their fruiting organs are scattered on the nodes of the main stem and branches. Only when there are many main stems and branches can the yield be high. Experiments have shown that increasing the number of plants Body density can increase soybean yield, so soybeans do not need to be thinned, such as hole sowing, drill sowing, and double row equidistant on-demand sowing on the ridge. Four, five, seven, eight, or nine seed holes can be used.

In summary, soybeans are an economical food crop and are widely planted in the north. The area for sowing soybeans in summer is relatively wide. In order to obtain high yields of soybeans, we must select good seeds and strengthen field management. Soybeans will You will be more productive. The above four sayings are simple and easy to understand. I believe everyone understands them!

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