Early application of basic fertilizer benefits
Kiwi grows after the fruit is harvested, while the roots enter the growth stage.
After the fruit is consumed, there is a lot of nutrient consumption and it is urgently needed to supply root nutrient absorption. In autumn, when the temperature is low, the shoots have stopped growing. The nutrients absorbed in the base fertilizer can exist in the roots and shoots to provide for spring growth;
The flower buds of kiwifruit are fully differentiated in the month of spring, when soil temperature is low and the root absorption is low, mainly due to the presence of nutrients in the shoots after fertilization in autumn;
After early fertilization, some roots are injured and they can heal quickly at the right soil temperature. After loosening of the soil during fertilization, the winter will be conducive to freezing dead bacteria and eggs, and it will be a very good garden.
Basal fertilizer
Kiwifruit is divided into two major categories from maturity. Chinese kiwifruit varieties generally mature in mid- and late September, and delicious kiwifruit mature late, usually harvested in mid-October. The fruit picking time determines the fertilization time. For Chinese kiwifruit varieties, it is advisable to use fruit fertilizers from late September to early October. It is appropriate to promote fertilization of kiwifruit in late October to mid-11, but it should not exceed 11 months. By December, the soil temperature will drop. In snowy weather, roots should not be fertilized.
Basal fertilizer application
The principle of fertilization is to make formula fertilization. The following formulas are recommended and applied immediately after fruit harvesting. After the maturity of organic fertilizer, the cow dung, sheep dung, and chicken manure can be added with conditions. 1 fruit production 40 kg application of 40 kg organic fertilizer + pure bacterial fertilizer 1 1.5 ~ 2 kg + compound fertilizer 0.5 ~ 1 kg + trace elements in minerals, Fertile Field A 0.25 ~ 0.5 kg; completely mixed after the application or use of organic Inorganic biological fertilizer 1.5 ~ 2 kg + Wotian A 0.25 ~ 0.5 kg. Both of these formulas have clearly seen results in production. Single fertilizers should be applied in limited quantities in the production of pollution-free kiwifruit.
Fertilization method should be changed
The canopy of autumn has been closed, and the well-mixed formula fertilizer will be applied to the disc harrow with a depth of 20 cm. Can not be applied around the main pole; non-canopy trees can be opened in the capillary root open shooting ditch, ring ditch and ditch to the mixed fertilizer applied, cover the topsoil; no matter which method is applied, the lack of soil moisture in time When the water is irrigated, it will not be watered when it is good. In the early autumn fertilization, the amount of fertilizer should be determined according to the type and composition of the fertilizer, the soil conditions and the yield. The above mentioned ratio can be used as a reference, and the required amount of various fertilizers can be converted when applied. Formulated fertilization.
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