spring frost Learn more about spring frost
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Take active measures to prevent and control the freezing injury of tea trees
Freezing injury is the main weather disaster suffered by tea trees. After the tea tree suffered from frost injury, it would affect the yield and quality of tea, and seriously cause serious defoliation and even death of the whole plant. According to the growing season, tea freezing injury can be divided into overwintering freezing injury and budding freezing injury, and the latter has the greatest influence on the yield and quality of spring tea in that year. During the overwintering period, the prevention of freezing injury in the growing season should strengthen the management of fertilizer cultivation, pay attention to the prevention of diseases and insect pests, and implement the combination of collection and cultivation to promote the healthy growth of tea trees, so as to accumulate more organic matter and improve their resistance to low temperature. Autumn and winter
2019-01-16 -
Protection against Frost injury of Pear trees in early Spring
1. Prevent frost 1. Spray salt water 10-20% salt water before the arrival of night frost, which can not only increase the concentration of somatic sap, reduce the freezing point, but also increase air humidity. Water does not condense as expected to release latent heat and avoid freezing damage. 2. Spraying 0.1-0.2% green vegetable solution in early spring to inhibit germination and postpone flowering.
2018-09-15 -
Causes and Preventive measures of Frost injury of Zanthoxylum bungeanum
Causes and Preventive measures of Frost injury of Zanthoxylum bungeanum
2020-01-08 -
Many varieties of cotton are said in the "national trial" (continued)
Characteristics: transgenic insect-resistant hybrid generation, the whole growth period of spring cotton planting in the Yellow River basin is 136 days. The plant is tower-shaped and loose, the plant height is 93.7 cm, the stem is hairy, the leaf is medium size, dark green, the wrinkles are obvious, the first fruit branch node is 6.5 nodes, the number of fruit branches per plant is 13.2, and the bolls per plant are 15.8; the boll is oval, the bell tip is obtuse, the single boll weight is 5.6 grams, the catkins are smooth, the seed finger is 10.4 grams, the lint percentage is 40.6%, and the pre-frost flowering rate is 90.5%. High resistance to Fusarium wilt, resistance to Verticillium wilt, high
2019-01-16 -
The latest causes of Frost injury of Zanthoxylum bungeanum and its Preventive measures
The freezing injury of Zanthoxylum bungeanum occurs frequently in winter and spring, but because of the backwardness of farmers' prevention technology, a large area of pepper is frozen, which seriously affects the development of pepper industry. So what are the causes of pepper frost injury? How to prevent it? Come and have a look with the editor. 1. Freeze
2020-11-10 The latest Zanthoxylum bungeanum freezing injury causes and preventive measures in winter -
Prevention of late spring cold during flowering of pear trees
Cold and frost in late spring do great harm to pear trees. Generally, pear trees encounter a low temperature of-4.0℃ at the bud stage and-2.3℃ ~-2.9℃ at the flowering stage. If they last for more than half an hour, the flower organs will suffer frost damage, usually characterized by poor pollination, stigma drying and death, filaments or.
2020-11-08 Species pear trees florescence prevention spring cold -
"four points for attention" in High yield cultivation of Spring Potato
In October last year, many people in this village sowed potatoes, but all of them were frozen to death in case of frost. I sowed potatoes twice at the end of January and February this year. Although they did not freeze to death, they only grew seedlings, and there were few and small potatoes, and many of them were eaten by termites. In addition, he adopted the continuous cropping method. The reader asked when to sow potatoes and how to prevent frost and termites. For high yield of spring potato, we should pay attention to the following four aspects: pay attention to sowing at the right time. Spring potato is sown too early, after emergence
2019-01-16 -
How to avoid Frost injury by planting Plum trees
Frost and frost injury refers to the phenomenon that the soil and plant surface temperature of fruit trees drop below 0oC or 0oC for a short time or encounter Frosts Descent during the growing period, resulting in damage to the young part of fruit trees. The average annual frost damage area in China is 340000 km2, with the heaviest year reaching 7%.
2020-11-08 Species plums trees how to avoid frost injury frost injury and frost injury -
15 new cotton varieties examined by the State
The Ministry of Agriculture issued notice No. 706 on August 28 last year. The new cotton varieties approved by the Fifth meeting of the first National crop Variety approval Committee are as follows: 1. Zhongzhu Mian 2: approval No. 2006001. Breeding unit: Institute of Plant Protection, Chinese Academy of Agricultural Sciences, etc. It belongs to transgenic insect-resistant conventional spring cotton varieties. The growth period of spring sowing in the cotton area of the Yellow River basin is 125 days. Participated in the regional trial of spring cotton group varieties in the Yellow River Basin from 2004 to 2005, seed cotton, lint and pre-frost lint per
2019-01-16 -
Causes of Frost injury and Anti-freezing measures of soft seed Pomegranate in Western Henan Province
Causes of Frost injury and Anti-freezing measures of soft seed Pomegranate in the West of Henan Province Pomegranate is one of the favorite fruits and is listed as a treasure in fruit because of its rich nutrition and beautiful meaning. In recent years, soft seed pomegranate is regarded as one of the treasures in the market.
2018-09-21 -
Cause Analysis and Preventive measures of Frost injury of kiwifruit
Kiwifruit is a very popular fruit, which has high edible and nutritional value, and it has a large planting area in our country, but there is a great difference between the north and the south of our country.
2018-10-09 -
Interpretation of the knowledge of Family Flower cultivation in Spring
Interpretation of the knowledge of Family Flower cultivation in Spring
2019-03-07 -
A lot of rain and snow continues to hit! Vegetables, fruit trees and wheat should resist the late spring cold in this way!
According to the national meteorological information, it is expected that the average temperature in northwest Heilongjiang, southeastern North China, southern Shaanxi, most of Huang-Huai, Jianghan, Jianghan, most of Jiangnan, central and southern Guizhou, and central and northern South China will decrease by 60.8 ℃. Among them, central Guangxi and Jiangxi
2020-11-09 Much land rain and snow continuous coming vegetables fruit trees wheat to -
The work of anti-freezing of fruit trees in winter can not be ignored.
The work of anti-freezing of fruit trees in winter can not be ignored.
2018-06-30 -
Management and remedial measures of Frost injury of Fruit trees
Management and remedial measures of Frost injury of Fruit trees
2018-06-28 -
Occurrence and remediation of the latest spring frost injury of wheat
In February and March of every spring, cold air often breaks out to the south in the north, and the process of cooling is large, and the wheat jointing prematurely often suffers from freezing injury. At this time, for the overgrown seedlings, measures should be taken to suppress the growth, and to fertilize the weak seedlings reasonably and promote the weak seedlings to become strong.
2020-11-10 The latest wheat spring frost frost injury occurrence and remediation every year -
Occurrence and remedy of Frost injury in Spring of planting Wheat
In February and March of every spring, cold air often breaks out to the south in the north, and the process of cooling is large, and the wheat jointing prematurely often suffers from freezing injury. At this time, for the overgrown seedlings, measures should be taken to suppress the growth, and to fertilize the weak seedlings reasonably and promote the weak seedlings to become strong.
2020-11-08 Planting wheat spring frost frost injury occurrence and remediation every year -
Measures to prevent wheat frost in early spring
Measures to prevent wheat frost in early spring
2018-07-01 -
Ministry of Agriculture issues 2014 Technical guidance for promoting early maturity and preventing early Frost of Northeast Soybean
This year, some parts of Northeast China suffered from severe low temperature and spring waterlogging in spring, the sowing date of soybean was obviously delayed compared with normal years, and there was periodic cloudy and rainy weather in some areas during the flowering and pod period, the growth process was slow, and the maturity period may be later than usual. The Meteorological Department predicts that it will be affected by
2016-03-20 Ministry of Agriculture release 2014 Northeast Soybean Promotion early maturity Prevention early Frost -
Five techniques for preventing Frost injury of weak Wheat seedlings
Five techniques for preventing Frost injury of weak Wheat seedlings
2018-07-25