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The calculation of calcium: the calculation formula of calcium, the determination of serum calcium how to determine the blood routine?
Calculation of calcium
2018-07-11 -
How much is a straw granulator?
How much is a straw granulator?
2019-02-20 -
How to determine the reasonable amount of fertilizer application
The determination of fertilizer application rate of walnut is based on the nutrient status of soil and the nutrient demand of walnut trees. In addition, soil pH, topography, topography, soil temperature and humidity and soil moisture management have effects on the amount of fertilizer application and fertilization methods. Determine reasonable fertilization
2020-11-27 How to determine reasonable fertilization quantity walnut -
How to identify the national standard of urea
How to identify the national standard of urea? Please introduce 1 subject content and scope of application this standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of urea. This standard is applicable to urea made from ammonia and carbon dioxide. Its main use is agricultural fertilizer, plastic.
2018-07-15 -
May I ask how to use the chloride ion selective electrode method to determine the chloride ion content of the mixing uniformity of formula feed?
May I ask how to use the chloride ion selective electrode method to determine the chloride ion content of the mixing uniformity of formula feed?
2018-07-09 -
How to determine the best harvest time of wheat?
How to determine the best harvest time of wheat? In what way can we determine that wheat is ripe for harvest? The best time for wheat harvest is the end of wax ripening, when the 1000-grain weight and yield of wheat are the highest. Harvesting too early or too late will lead to the decrease of 1000-grain weight and yield. At present, most of the wheat is harvested in the full ripening period.
2018-07-19 -
How to determine the harm of pesticides?
How to determine the harm of pesticides? Please introduce the methods for the drug damage caused by crops. Due to the existence of disease factors, fertilizer deficiency factors and crop physiological obstacles, it is more difficult to identify. After encountering drug damage, crop growth is abnormal, diagnosis should pay attention to the following points: first, crop differences.
2018-07-14 -
How to reasonably determine the amount of nitrogen Fertilizer in accurate quantitative cultivation of Rice
The quantification of nitrogen needs to consider the law of fertilizer requirement of high-yield rice, the law of soil nitrogen supply, the characteristics of fertilizer and the utilization rate of fertilizer in the current season, as well as the changes of various conditions during the growth period, including total nitrogen quantity and nitrogen application method. Determination of total nitrogen: obtained through soil testing, formula, etc.
2020-11-08 Rice accurate quantitative cultivated medium how reasonable definite nitrogen fertilizer -
How to determine the sowing date of summer corn?
How to determine the sowing date of summer corn? Please give guidance as the growth period of corn available in summer corn area is limited, in order to strive for enough heat to make corn fully mature, harvest in time, obtain higher yield, and not miss the normal sowing of wheat in the following crop, so the sowing time of summer sowing corn is required as early as possible. That is, Dongxiao.
2018-07-19 -
How to determine the winter cutting time of kiwifruit
How to determine the winter cutting time of kiwifruit
2019-12-02 -
How often do orchids are watered? The watering times of orchids are determined according to the season.
How often do orchids are watered? The watering times of orchids are determined according to the season.
2020-02-24 -
How to determine the Seedling stage of Watermelon
How to determine the Seedling stage of Watermelon
2018-07-24 -
How to build a chicken farm greenhouse
Select the place with good ventilation, flat terrain and rich water to build the shed, determine the size of the shed according to the actual breeding scale, the choice of materials can be determined according to the budget, the price is high and low, and the height of the greenhouse is generally about 3.5m, which is the most comfortable.
2020-11-08 How build chicken farm greenhouse summary selection ventilation good sex -
The rate of fattening determines the benefit of raising pigs and how to improve the rate of fattening pigs.
The rate of fattening determines the benefit of raising pigs and how to improve the rate of fattening pigs.
2018-07-11 -
Key points on the determination of protein Solubility of Soybean meal
Key points on the determination of protein Solubility of Soybean meal
2018-07-11 -
Determination of iron, copper, zinc and manganese
Determination of iron, copper, zinc and manganese
2018-07-10 -
How to determine the sowing rate of sesame
How to determine the sowing rate of sesame
2018-07-24 -
How to determine the latest kiwifruit winter cutting time
Kiwifruit cultivation is very common in China, and now with the gradual decrease of temperature, it has entered into winter. After winter, the winter shearing of kiwifruit is very important. The success of winter cutting will gradually affect the yield of kiwifruit in the coming year, so
2020-11-10 The latest kiwifruit winter shears time how sure planting -
How to determine the reasonable load of planting Pear trees
Under normal management and moderate load conditions, the flower quantity of adult pear trees is generally too much, and the flower branch rate of some trees is as high as 7080%, which is full of flowers. Although too many flowers are the basis of high yield, too much fruit will show a large number of falling fruit and small fruit, and less flowers in the following year.
2020-11-08 Species pear trees how to determine reasonable negative load in normal -
How to determine the advantages and disadvantages of phosphate fertilizer
Topdressing foliar fertilizer is one of the most commonly used and economical fertilization methods in vegetable cultivation, that is, fertilizer is mixed into a certain concentration of aqueous solution and directly sprayed on crop leaves to make up for the lack of nutrient supply caused by weak fertilizer absorption capacity of roots. A large number of applications show that topdressing foliar fertilizer can improve the yield and quality of vegetables.
2018-07-15