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What is the planting density of Camellia oleifera? Planting management technology
The density of Camellia oleifera in pure forest: row spacing 2.5m, plant spacing 2.5m; or row spacing 3m, plant spacing 2.5m; or row spacing 3m, plant spacing 3m. The planting density of Camellia oleifera in the foothills and flat areas of thick soil: row spacing is 3m, plant spacing is 2.5-3m, and about 75-90 plants can be planted per mu.
2020-11-08 Camellia oleifera planting density is how much management technology summary pure forest -
Three traps should be avoided in purchasing Phalaenopsis seedlings.
Now it is the sales season of Phalaenopsis seedlings. according to the consumption habits of our country, the sales peak of finished flowers of Phalaenopsis is concentrated on the eve of the Spring Festival. Therefore, the Phalaenopsis seedlings purchased by manufacturers at this time are basically 2.5-inch medium seedlings, that is to say, according to the normal growth cycle of Phalaenopsis, the seedlings of this specification can blossom and appear on the market just before the Spring Festival next year. However, many manufacturers have experienced such embarrassment. They obviously bought 2.5-inch seedlings, but they could not blossom as scheduled. They suspected that there was something wrong with the seedlings, but the seedling suppliers said they were unripe.
2019-01-16 -
Exploration on solving the predicament of China's Agricultural Modernization Development
At present, the development of agriculture and rural areas in China is still facing a very severe situation, the resource constraints of agricultural development have become increasingly prominent, and it is more difficult for the stable development of agriculture and the continuous increase of farmers' income, so there is an urgent need to establish a modern agricultural development model suitable for the national conditions and speed up agriculture.
2016-03-20 Cracking China agricultural modernization development dilemma exploration -
How to graft ginkgo biloba? Key points of Green Branch grafting of Ginkgo biloba
There are many methods for raising seedlings of Ginkgo biloba, but these sowing methods not only cost high, but also lead to long juvenile period, delayed fruit, and low survival rate of seedlings bred by cuttings. the survival rate can be increased by 80% by hard branch grafting in spring and 95% by green branch grafting.
2018-10-14 -
Basic growth status of Maize crops in Northeast China
This year, the weather in Northeast China has been more in line with the growth of crops, and now it has basically completed its sizing and entered the mature period. The recent dry weather, suitable temperature, curing, wax maturity is better, if the weather continues to cooperate, another 10 days or so, is a good time for harvest. Just
2016-01-10 Northeast China recent corn crops growth basic status -
How to fertilize hybrid rice scientifically?
How to fertilize hybrid rice scientifically? The fertilization principle of hybrid rice should be organic fertilizer and phosphorus fertilizer as base fertilizer, potassium fertilizer as tiller fertilizer, nitrogen fertilizer applied evenly for many times, pay special attention to strong bud and strong seed fertilizer, attack large panicle and large grain at the same time. (1) the base fertilizer is mainly organic fertilizer.
2018-09-09 -
Green Branch grafting technique of Ginkgo biloba
Ginkgo biloba green branch grafting technology Ginkgo biloba has many methods of raising seedlings, but the cost of sowing and raising seedlings is high, the young period of trees is long, and the fruit is late, while the survival rate of cutting seedlings is low; hard branch grafting should be carried out in spring, and the survival rate is about 80%. If it's growing.
2018-05-31 -
Key points of Seedling cultivation of Spring Maize
At present, we are about to enter the sowing season of spring corn, so we should do a good job of seedling raising and transplanting in production to promote the early development and stable growth of maize and achieve high and stable yield. The nursery bed is planted in a nutrient bowl, with a seedbed of 1.5 meters wide and 20 meters long per mu, with 250 kg of rotten organic fertilizer and 2.5 kg of compound fertilizer.
2018-09-12 -
Do you make money by raising rabbits in 2017?
Do you make money by raising rabbits in 2017?
2018-09-07 -
Cherry grafting method
The tree species of cherry can be grafted with plum tree or peach tree, the thickness of the rootstock needs more than 0.7cm, and the scion can use annual branches. When grafting, cut the long oval face of 2.5cm and 2mm with a knife at the base of the rootstock 10 cm from the ground, and then
2020-11-08 Cherry grafting method abstract cherry tree species but -
How to control the white silk disease of peony flower
The white silk disease of peony mainly occurs at the base of the stem near the ground. Years of studies have shown that planting soil and fertilizer are the main sources of infection of the disease. Peony is more susceptible to disease before and after flowering and in hot and rainy seasons. At the time of the disease, the aboveground part had no obvious symptoms, and then the hyphae spread from the rhizome to the soil surface with the increase of temperature and humidity.
2018-12-24 -
Design idea of Wantou Pig Farm and Pig herd structure
Design idea of Wantou Pig Farm and Pig herd structure
2019-02-20 -
The best time for piglets to cut off their tails
Pigs have a very bad habit of biting objects that are easy to be touched by their mouths, so when raising pigs, people will find that their tails will be removed, otherwise they will be easily bitten off by other pigs. So, when is the best time for piglets to cut off their tails?
2020-11-11 Piglet broken tail best time pig yes one kind very bad good -
The demand for feed in China is 2.5 times the demand for rations.
In recent years, China's per capita food rations have dropped from 207.1 kg in 1986 to 148kg in 2010, a decrease of 28.5%, but at the same time, per capita food consumption such as meat, eggs and milk has been rising. For more than 30 years, Ren Jizhou, an expert in grassland science and academician of the Chinese Academy of Engineering,
2016-03-20 China feed demand has been rations 2.5 times in recent years our country -
Cultivation techniques of Kate Apricot in simple plastic greenhouse
The mature period of Kate apricot cultivation in simple plastic greenhouse is 30-40 days earlier than that in open field, and the economic benefit is increased by 15-20 times. 1. The structure of the simple plastic greenhouse is a north-south arch greenhouse with a span of 10 meters, a length of 60 meters, a roof height of 2.5 meters and a shoulder height of 1.5 meters. Reinforced concrete columns are used as columns and bamboo poles are used as arches and suspended beams. A total of 5 rows of columns, the main column between the rows of 2.5 meters. The distance between the side columns and the middle three rows of columns is 1 meter and 3 meters respectively. Above the middle three rows of columns, respectively.
2019-01-15 -
When and how to classify the seedlings of Panax notoginseng
The picking time of Panax notoginseng seedlings is generally from the first ten days of December to late January of the following year, and the root system and seed buds should be avoided. First-class seedlings: the weight of single plant is not less than 2.5 grams, the dormant buds are fat and strong, the root system grows well, and there is no disease and insect infection and mechanical damage. Second-class seedlings: the weight of single plant is between 1.25 and 2.5 grams, the dormant buds are fat and strong, the root system grows well, and there is no disease and insect infection and mechanical damage. Third-class seedlings: the weight of single plant is between 0.75g and 1.25g, the growth of dormant buds is general, the growth of root system is average, no
2019-01-16 -
How to apply fertilizer with formula for sweet potato
How to apply fertilizer with formula for sweet potato
2018-07-10 -
Lily land selection and preparation
It is advisable to select sandy loam with good drainage and deep soil layer. In hilly areas, it is advisable to select gentle slope land with slope below 5 degrees. Avoid doing things on the edge. Lily continuous cropping diseases and insect pests serious, yield reduced. After land selection, soil chemical treatment is carried out in combination with soil ploughing to mitigate pests and diseases. killing underground pests with 2.5-5 kg of methylhexachlorone or 2-2.5 kg of carbofuran per mu. Spray soil with 50% carbendazim WP 1kg mixed with 500kg water per mu for sterilization. Deep ploughing, local conditions, apply sufficient base fertilizer. hundred
2019-01-16 -
What matters should be paid attention to when applying fertilizer to rice?
What matters should be paid attention to when applying fertilizer to rice? Please introduce that the principle of fertilization for rice should be organic fertilizer and phosphate fertilizer as base fertilizer, potassium fertilizer as tiller fertilizer, nitrogen fertilizer applied evenly for many times, pay special attention to strong bud and strong seed fertilizer, attack large panicle and big grain at the same time. (1) the base fertilizer is mainly organic fertilizer.
2018-07-19 -
Key points of Field Management of Cotton at Flower and Boll stage
Cotton flowering and boll stage is the key period of cotton yield formation. in addition to fertilizer and water management, the following points should be done: chemical control of cotton flowering and boll stage can shift more nutrients of vegetative growth to reproductive growth and reduce bud and boll shedding. It is suggested that the cotton fields with strong growth should be sprayed with 2.0-2.5 grams of meth per mu or 25% Zhuangzhuangsu 8-10 ml at the beginning of flowering. In full bloom, according to the growth trend, spray 2.5-3.0 grams of thalidomide per mu, or 2.
2019-01-16