how to select nitrogen fertilizer Learn more about how to select nitrogen fertilizer
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How to choose and buy high quality compound fertilizer?
How to choose and buy high quality compound fertilizer? Please introduce the methods for the selection and purchase of high-quality compound fertilizer can refer to the following methods: first, scientific selection of compound fertilizer according to the nature of fertilizer. At present, a considerable number of compound fertilizers sold in the market do not meet the national DB15063-94 standards. According to the national standard, compound fertilizer (compound fertilizer).
2018-07-14 -
How to choose nitrogen fertilizer?
Nitrogen fertilizer is one of the most important fertilizers for crops and plays an indispensable role in the growth of crops. Then how to choose nitrogen fertilizer? Next, I would like to introduce you to the selection of nitrogen fertilizer. There are many kinds of nitrogen fertilizer, which can be divided into ammonium nitrogen fertilizer and nitrate according to the form of the compound.
2020-11-09 Nitrogen fertilizer how to choose nitrogen fertilizer is crop the most important fertilizer -
What are the classifications of compound fertilizer? How to choose?
Compound fertilizer refers to the chemical fertilizer containing two or more nutrient elements. compound fertilizer has the advantages of high nutrient content, few by-components and good physical shape. So, what are the classifications of compound fertilizer? How to choose compound fertilizer? I. the classification of compound fertilizers due to
2020-11-09 Compound fertilizer what are there what how selection compound fertilizer -
How to choose and buy chemical fertilizer? Common sense of Chemical Fertilizer selection and Scientific Application
Chemical fertilizer refers to the fertilizer made by chemical method or mining ore, also known as inorganic fertilizer, including nitrogen fertilizer, phosphate fertilizer, potash fertilizer, micro-fertilizer, compound fertilizer and so on. So, how to choose and buy chemical fertilizer? Next, the editor will talk about it in detail.
2020-11-09 How to choose and buy fertilizer and science application small common sense -
What is the function of nitrogen fertilizer? How to choose?
Nitrogen fertilizer refers to the unit fertilizer with nitrogen (N) as the main component, with the marked amount of N, which can be applied to the soil to provide plant nitrogen nutrition. In the process of agricultural production, plant growth is inseparable from nitrogen fertilizer. Let's take a look at the role of nitrogen fertilizer. How to choose
2020-11-08 Nitrogen fertilizer what is it how to select nitrogen fertilizer it means to -
Four factors should be considered in the selection of compound fertilizer
Four factors should be considered in the selection of compound fertilizer
2018-06-30 -
Rational Application Technology of nitrogen Fertilizer
Rational Application Technology of nitrogen Fertilizer
2018-08-09 -
Violet culture method: how to cultivate violets? The living environment of violets
How to cultivate violets: variety selection: the main cultivated varieties are Ida (flower white), Carmen (light yellow flower), Francis silk (flower red), Abera (flower purple), Incana (light purple flower). Plant selection: there is no damage to the root system, and with soil blocks of strong seedlings. If it's a single flower,
2019-03-06 -
How to fertilize yam planting?
How to fertilize yam planting? Please give an introduction to the main long branches and leaves of yam seedling stage and vine stage. The fertilizer is mainly nitrogen. After budding, it enters the peak growth stage. The underground tubers begin to expand. The amount of fertilizer required is large. It is the key period for fertilization. Nitrogen, phosphorus and potassium should be applied together. 1. Base fertilizer. Select the field, apply per acre before ploughing...
2018-07-19 -
How to apply organic fertilizer to fruit trees?
How to apply organic fertilizer to fruit trees? Please give guidance on the balanced supply of nutrients for fruit trees. although the nutrients in organic fertilizer are very rich, the proportion and content of nitrogen, phosphorus and potassium can not fully meet the growth needs of fruit trees. Especially in the composting process of organic fertilizer, the content of nitrogen will further decrease, if applied alone.
2018-07-14 -
What are the skills of selecting fertilizer in summer? What are the matters needing attention in fertilization?
Summer is a period of exuberant growth of many vegetables, fruits and so on, and it is also a good time to need fertilizer. However, many growers do not know how to choose fertilizers and fertilizers, resulting in a serious reduction in their output. Let's take a look at the summer fertilizer selection skills. What does summer fertilization have?
2020-11-08 Summer fertilizer selection skills what which fertilization matters needing attention -
How and when to apply fertilizer to grapefruit
Fertilization methods: soil fertilization is generally applied to grapefruit, ring and disk fertilization methods can be selected for young trees, strip furrow, radial furrow, hole and whole garden fertilization methods can be selected for adult trees, and foliar fertilizer can be sprayed for extra root fertilization. Fertilization time of young trees: planting
2020-11-08 grapefruit fertilization method and time abstract -
How many chemical fertilizers are used in one mu of corn? what's the best fertilizer for corn?
Corn is one of the famous grains in our country, which is planted in the north and south of our country at present. More and more people choose to plant corn in recent years, but when planting corn, fertilization is very important. There is some need for the amount of fertilizer and the fertilizer selected.
2020-11-08 Corn one mu land use how much chemical fertilizer what to apply fertilizer -
Five Reference Standards for Selecting Suitable Compound Fertilizers
Five Reference Standards for Selecting Suitable Compound Fertilizers
2018-08-09 -
How to cultivate plastic film watermelon with high yield
Now most of the watermelons on the market are plastic film watermelons, so how to prevent premature senility? What should be paid attention to in fertilizing? High-yield cultivation techniques of watermelon covered with plastic film: first, select improved varieties. According to the demand of the market and the characteristics of soil and climate in our county, high yield was selected.
2020-11-08 Plastic film watermelon how to cultivate can high yield now in the market on the field -
How to use good flushing fertilizer?
How to use good flushing fertilizer? Please introduce the correct selection of fertilizer types for irrigation and fertilization at first. Only water-soluble fertilizers can be applied with water. Urea, ammonia, ammonium sulfate and ammonium nitrate are commonly used in nitrogen fertilizer; potassium chloride and potassium sulfate can also be used in potash fertilizer. In phosphate fertilizer, even if it is water-soluble monoammonium phosphate and phosphorus.
2018-07-14 -
How to fertilize potted camellias?
How to fertilize potted camellias? Please give a detailed introduction to the method of pot fertilization of camellias, which should be carried out selectively according to different growth stages of camellias. Topdressing is needed during the growing period of camellia, and quick-acting liquid fertilizer and chemical fertilizer should be applied. In the stage of branches and leaves, nitrogen fertilizer or nitrogen-based mixed fertilizer should be applied. In flower bud differentiation, flower bud shape.
2018-07-18 -
Many factors causing inferior asparagus how to prevent and cure inferior white asparagus
Many factors causing inferior asparagus how to prevent and cure inferior white asparagus
2018-07-11 -
What kind of wheat is good to grow in different regions? How to grow high yield? Technical guidance on Wheat planting in Autumn and Winter in 2018-2019
Since the summer of this year, there has been more rainfall in the main producing areas of winter wheat, and the soil moisture is generally sufficient. The growth and development process of autumn crops is close to the same period of the year, and the expected maturity is similar to that of the year, and winter wheat is expected to be sown in most areas. There is an ample supply of wheat seeds.
2020-11-09 Each region plant what product wheat good how high yield -
What to do if the leaves of Jian Lan turn yellow? change the soil in time / pay attention to the method of fertilization
Jianlan is a kind of plant cultivated in all the major gardens in China, and it has a very high ornamental value. But no matter how high the ornamental value is, if there are yellowed flowers, it will affect its beauty as a whole, because it will be very abrupt. What about the yellowing of Jianlan leaves? In fact, it is easier to find the right way to solve it.
2018-12-23