Songnen Plain is the main soybean production area(seed starter trays), which can develop large proportion of corn and soybean intercropping suitable for mechanical operation to increase soybean output and achieve double harvest of grain and soybean; other areas can develop small proportion of corn and soybean intercropping to increase economic benefits(bulk 15 gallon pots); southern areas can develop part of spring wheat and corn interplanting to improve grain output.
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The yield of wheat in this way is 6-8% lower than that in the flat sowing(gallon pot). Because of the edge row advantage, the high-yield wheat field can produce flat yield or slightly increase yield. The wide-band interplanting maize can adopt the mid late maturity hybrid, strive for more 600 ~ 800 ℃ accumulated temperature, and can also harvest the seed wheat at the right time(bulk 20 gallon pots). Generally, the principle should be that corn yield should not be reduced and beans should be increased properly.(large black plastic plant pots wholesale price australia)
The corn planting area is small, about 15 million mu, accounting for about 5% of the total corn area in China(72 cell propagation trays wholesale). Legumes and green manure can be planted in the third crop, but the distribution of corn is concentrated, so it is difficult to protect seedlings(injection molded nursery pots). This way is mainly distributed in the central part of Hebei Province, and it is easy to suffer from natural disasters such as early, the central and southern part of Shandong Province and Beijing Tianjin area.
In the production area dominated by corn, intercropping can be adopted in the way of 6:2 or 4:2(seed starting trays); in the production area dominated by beans, intercropping can be adopted in the way of 2:2 or 4:4 to strive for a good harvest of both grains and beans. The soil in this area is poor and poor in fertility, waterlogging, wind and hail(7 gallon nursery pots bulk). This planting pattern is mainly distributed in the east of Yantai City, Weifang City and the south of Shandong Province.
(large black plastic plant pots wholesale price australia)Corn and beans intercropping is mainly corn and soybean intercropping, and a small part is mixed with bean and mung bean intercropping(square grow pots). Only by comprehensively controlling drought, salt and alkali, carrying out research on early agriculture, improving production conditions, expanding green manure crops(bulk 14 gallon pots), continuously improving soil fertility, and implementing scientific farming can corn yield be greatly and continuously increased.
This area includes Sichuan, Yunnan, Guizhou and Qiuwei areas in the west of Guangxi, Hunan and south of Shaanxi(sureroot plug trays bulk). It's also called "Er Si WA" or small, large and regular interplanting. The eyelash width is 6 feet. In the 4-foot fault, 8-9 lines of wheat are sown by machine, leaving 2-foot interplanting lines. More than 90% of the area is hilly and high(blow molded nursery pots), while only 5% of the valley plain is flat between mountains, and the sea level is 200-2500 meters.
The three-dimensional nature of agriculture is very strong, the vertical planting belt is very obvious, "a mountain is divided into four seasons, ten li different days"(plastic grow pots). Because of the thin soil and extensive cultivation, the yield of maize is low. Among the lines, legumes, green manure and other crops can be planted according to local conditions(bulk 10 gallon pots), so that wheat and corn can increase production in a balanced way, and wheat can also be planted in time.(large black plastic plant pots wholesale price australia)
The northern boundary of the area is connected with the summer corn planting area of the Huang Huai Hai Plain(plastic plant trays wholesale), the southwest mountain corn area to the west, the East and South China Sea to the East and south, including all provinces (cities) of Guangdong, Fujian, Zhejiang, Shanghai, Jiangxi, Taiwan, the south of Jiangsu and Anhui(72 cell seed trays wholesale), and the east of Guangxi, Hunan, Hubei, etc. This area is the main rice producing area in China.