The main reason is soil alkalization(plastic grow pots). Applying all element fertilizer, adding 2% FeSO4 to organic fertilizer can promote the leaves to turn green rapidly. There are mainly star caterpillars, curly leaf worms, insectivores, armyworms, scale insects, etc(square grow pots). 50% monocrotophos or synthetic inulin 1500-2000 times of water solution can be used to kill the above pests once a week and 2-3 times in a row.
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Most areas are in August or so, and they can be harvested at the end of October(flat plastic tray). The tender leaves are light green and beautiful. When the green radish seedlings enter the growth stage, the demand for water and nutrients also increases. Apply fertilizer, cover with a layer of soil, mix well and then cover with soil for watering(cheap plastic plant pots bulk). In the growing season, it is easy to suffer from etiolation disease, and hawthorn has fewer diseases and insect pests.
(14 inch plastic plant pots manufacturers in china)The fertilizer demand characteristics(large plastic terracotta pots), high-yield fertilization technology and time of Hawthorn: the nutrient elements needed for the growth of Hawthorn include a large number of elements such as nitrogen, phosphorus, potassium, medium elements such as calcium, magnesium, sulfur, and some trace elements such as copper, zinc, boron(black plastic plant pots). One time application before sprouting in spring.
The main reason is that nitrogen can strengthen the growth of new shoots(propagation tray), the leaves are thick and green, improve the efficiency of photosynthesis, the accumulation of nutrients and the differentiation of flower bud, the rate of fruit setting, the growth of fruit, the quality of fruit, the senescence of tree body and the regeneration and rejuvenation of tree(nursery plant pots); potassium It can promote metabolism and delay aging.(14 inch plastic plant pots manufacturers in china)
The growth and development stages of hawthorn trees change regularly with the subsequent changes in a year(plug trays), and the changes in the production, gradual absorption, distribution and utilization of these nutrients are also regular. In spring, the growth of roots, the improvement of flower bud differentiation, the germination of buds(5 gallon nursery pots bulk), the growth of new shoots and leaves and other life activities of trees need to consume more nutrients.
When the hawthorn tree is close to flowering(gallon nursery pots), the new shoots and leaves are still growing vigorously, and the ability of leaves to produce nutrients is still very low. phosphorus can promote the cell division, the synthesis and transportation of sugar, the differentiation of flower bud and the absorption ability of root system of hawthorn(1 gallon nursery pots bulk); The special nutrients needed are still dependent on the storage nutrients of trees in the previous year.
(14 inch plastic plant pots manufacturers in china)The nutrients stored in the previous year are basically consumed, and the tree body is in short supply of nutrients(gallon plant pot). At this time, the tree body needs to absorb fertilizer nutrients from the outside for growth. When the spring shoots and leaves stop growing completely, the tree body can produce a lot of nutrients after absorbing fertilizer(2 gallon nursery pots bulk). At this time, the main organ of growth and development is fruit.
With the decrease of fertilizer absorption, nutrients were transferred from leaves to branches and roots of trees, and nutrients were stored successfully(cell trays). The proportion of controlled-release fertilizer (N-P-K) of Hawthorn can be 16-9-16, 15-9-18, 16-9-18, etc. Excavate 6 ditches with a depth of 20-40cm and a width of 20-30cm from 1m away from the trunk(3 gallon nursery pots bulk). The length can reach the outer edge of the crown.(14 inch plastic plant pots manufacturers in china)