Planting Technology Lists
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How to improve the utilization rate of chemical fertilizer?
How to improve the utilization rate of chemical fertilizer? Please introduce the method of applying chemical fertilizer can refer to the following methods to improve the utilization rate of fertilizer: according to the yield target, do a good job of balanced fertilization. Within a certain range of fertilization, the yield of crops was positively correlated with the amount of fertilizer applied. Too much increase in the total amount of fertilizer or a single amount of fertilizer, due to.
2018-07-14 -
What happens if you fertilize too much fertilizer?
What happens if you fertilize too much fertilizer? Please introduce the following situations caused by excessive fertilization and chemical fertilizer: first, it will lead to a large yield-to-income ratio. First, limited by the level of cultivation, crop fertilizer requirements and other factors, crops can not obtain high yield; second, due to the excessive application of several single fertilizers, resulting in nutritional imbalance.
2018-07-14 -
How to preserve chemical fertilizer in summer?
How to preserve chemical fertilizer in summer? Please introduce the method to preserve chemical fertilizer in summer should pay attention to the following points: prevent moisture deterioration such as ammonium bicarbonate is easy to absorb moisture, resulting in nitrogen volatilization loss; ammonium nitrate has strong hygroscopicity, easy caking and hydrolysis; lime nitrogen and calcium superphosphate are easy to agglomerate after moisture absorption, affecting the effect of application. So, these.
2018-07-14 -
What factors will affect the efficiency of fertilizer?
What factors will affect the efficiency of fertilizer? Please introduce the following reasons that affect fertilizer use efficiency: 1. Differences in fertilizer varieties. Among elemental fertilizers, different forms of fertilizer have different suitable crops and fertilization time; for example, nitrate nitrogen is suitable for most dry land and the effect is better than ammonium nitrogen in autumn and winter; chlorination.
2018-07-14 -
How to use fertilizer to kill insects?
How to use fertilizer to kill insects? Please introduce the method of using fertilizer to kill insects. You can refer to the following methods: phosphate fertilizer. Helicoverpa armigera is most afraid of phosphorus at egg stage and escapes as soon as it sees phosphorus. According to this characteristic, 2% superphosphate leaching solution can be used to spray cotton leaves, leaving 1 row every 5 rows without spraying, driving cotton bolls.
2018-07-14 -
What's the difference between biological fertilizer and chemical fertilizer?
What's the difference between biological fertilizer and chemical fertilizer? Please introduce the difference between biological fertilizer and chemical fertilizer, please refer to the following table: biological fertilizer is a living fertilizer, which is highly selective to temperature, humidity, sunlight, etc., and is affected by temperature, humidity, sunlight, etc. contains a variety of nutrients needed by plants.
2018-07-14 -
How to control armyworm in Northeast China?
How to control armyworm in Northeast China? Please introduce that the source of armyworm in Northeast China mainly comes from the Yangtze-Huaihe River Basin. After the emergence of the first generation of adults in this area, it usually migrates into Northeast China from late May to mid-June to lay eggs. The second generation of larvae appeared in the field in the first and middle of June.
2018-07-14 -
Share the usage and experience of glyphosate
Glyphosate as a herbicide has a large amount of use and good weeding effect, and is deeply welcomed by farmers, but it should still pay attention to a certain degree of technicality when it is used, and it is easy to bring adverse effects to production, which is worthy of everyone's attention. First, why the efficacy of glyphosate herbicide is different. ...
2018-07-14 -
What should be paid attention to when using glyphosate series herbicides?
What should be paid attention to when using glyphosate series herbicides? Glyphosate series herbicides are organophosphorus, low toxic, internal absorption and transmission broad-spectrum post-budding herbicides, which can effectively control annual and perennial malignant weeds. When using glyphosate herbicide, if it is not used correctly, go to.
2018-07-14 -
What should I pay attention to when using glyphosate?
What should I pay attention to when using glyphosate? Please give guidance on the use of glyphosate to pay attention to the following points: 1. Glyphosate is a fungicidal herbicide. Do not pollute crops when applying glyphosate, so as not to cause drug damage. two。 For perennial malignant weeds, such as White Grass, Cyperus roxburghii, etc., the perennial malignant weeds should be treated again one month after the first use.
2018-07-14