First, the sign of wheat maturity
1. Wheat maturity is divided into milk maturity, wax maturity and maturity, and wheat harvest is determined by the maturity of the kernel.
2. Milky maturity: The stems and leaves are yellow-green, and the grains have milky inclusions. At the end of the milk ripening, the seeds turn yellow, the grain moisture content is 45-50%, and the stem moisture content is 65-75%.
3. Wax ripening period: The contents of the grain are waxy, and the hardness changes from soft to hard as the ripening process progresses.
4, ripening period: leaves are yellow, the grain becomes hard and the color is the variety, the water content is below 20%, the water content of the stem is 20-30%. After the ripening period, the wheat nutrient will fall into the straw, causing the grain weight to drop.
Second, how to correctly determine the wheat wax maturity?
1. Early waxing
The back of the grain is yellowish white, the groin is yellow-green, and most of the leaves begin to turn yellow. It is easy to smash the grain with fingers, and the contents of the grain, such as condensed wax, can be smashed into strips.
2. Mid-wax
The kernels are all yellow, and the tops of the stems all turn yellow. It is easy to break the kernels with your fingers.
3, the end of wax cooked
The plants are all yellow, the stems have a certain elasticity, and the seeds are rubbed with fingers to make no traces.
4, the entire wax maturity period
The water content of the grain is reduced to 20-30%;
The nitrogenous substances and soluble carbohydrates of the plants continue to be transported from the stems and leaves to the kernels, and will not stop until the end of the wheat wax.
Third, the best period of wheat harvesting during the day
1. The best time for wheat harvesting during the day: 9-11, 16-18.
2, these two short wheat is not wet, not too dry, easy to thresh.
Latest wheat harvest time in the main producing areas
[Sichuan Province]
Harvest time: April 20th to May 25th
Xichang City Area: Mid-May
Near Chengdu: mid-to-late May
North of Chengdu: mid-to-late May
[Shaanxi Province]
Harvest time: May 22 to June 15
Hanzhong area: May 22 to the end of May
Guanzhong area: June 06 to June 15
ã€Hubei Province】
Harvest time: May 8th to the end of May
Fuyang area: predicted to end on May 31
[Henan Province]
Harvest time: from the end of May to mid-June
Pingdingshan City: Beginning in mid-May, ending at the end of May
Nanyang City: Beginning in mid-May, ending at the end of May
Zhumadian City: Beginning in mid-May (predicted to end 10 days)
Xuchang City: Beginning in mid-May (predicted to end 7 days)
Luohe City: Beginning in mid-May (predicted to end 7 days)
Jiaozuo City: Beginning on June 05 (predicted to end 7 days)
Xinxiang City: Starting around June 05 (predicted to end 7 days)
Zhengzhou City: Beginning on May 28 (predicted to end 7 days)
Xinyang City: Beginning in mid-May (predicted to end 7 days)
Kaifeng City: Beginning May 28 (predicted end of 7 days)
Zhoukou City: Beginning on June 02 (predicted to end 5 days)
Shangqiu City: Beginning May 29 (expected to end 14 days)
Luoyang City: Beginning on May 26 (predicted to end 10 days)
Fuyang City: Beginning on June 04 (predicted to end 7 days)
Anyang City: Beginning on June 04 (predicted to end 7 days)
ã€Anhui Province】
Harvest time: May 20th to mid June
Anqing area: about May 28th
Maanshan area: about May 31
Wuhu area: about June 2nd
Lu'an area: starting on May 23 (predicted before June 5)
Hefei area: starting on May 25 (predicted before June 5)
èšŒåŸ area: starting on May 25 (predicted before June 15)
Fuyang area: starting around May 28 (predicted end of 7 days)
[Shanghai] Wheat harvest information
Harvest time: May 25th to June 05th
[Jiangsu Province] Wheat Harvesting Information
Harvest time: from the end of May to the middle and late June
Su Xichang area (Suzhou / Wuxi / Changzhou): starting on May 25 (predicting the end of 10 days of harvest)
Nantong area: starting on May 25 (predicting the end of 10 days)
Taizhou area: starting on May 25 (predicting the end of 20 days)
Nanjing area: starting on May 31 (predicted to end 10 days)
Zhenjiang area: starting around June 1 (predicting the end of 7 days)
Yangzhou area: starting around June 1 (predicted to end 7 days)
Yancheng area: starting around June 1 (predicting the end of 10 days)
Xuzhou area: starting around June 5 (predicting the end of 15 days)
Lianyungang area: starting around June 8 (predicting the end of 10 days)
Suqian area: starting around June 8 (predicting the end of 15 days)
Huai'an area: starting around June 8 (predicting the end of 15 days)
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