What are the key points of planting big-leaf spinach?

Big-leaf spinach is a kind of nutritious leafy vegetable, because its growth cycle is very short, easy to manage, as long as it is managed properly, it can achieve high yield, so it is favored by growers. In addition, big leaf spinach can also be sold on the market after quick freezing, which has a certain economic value. What are the main points of growing big-leaf spinach?

I. the choice of sowing time

The temperature of big-leaf spinach sowing is also required, which is generally suitable for the weather sowing from September to October, and the germination rate is higher when big-leaf spinach is sown in this period.

2. Selection of soil

If you plant big-leaf spinach, the requirement for the soil is relatively high, try to choose good drainage, strong air permeability, more fertile sandy soil. Especially in the last round of planting corn, soybeans, watermelon, wax gourd and other hanging fruit vegetables is more appropriate.

III. Applying basic fertilizer for land preparation

Clean up the residue of the previous crop before planting big-leaf spinach, which is easier to sow. After cleaning up, apply enough base fertilizer, such as human and animal feces, compound fertilizer and other mixed system is OK. Then rake the soil flat.

4. Sowing method

Because the shell of big-leaf spinach seed is hard and it is difficult to absorb water, enough bottom water should be given before sowing. If the weather is a little earlier when sowing, water should be irrigated in advance, and then leave a day or two to sow. After opening the ditch, it is necessary to pour enough water into the ditch where the seed is sown.

5. Water and fertilizer

Big-leaf spinach is a kind of vegetable that likes to be fertile, moist and cold, so don't let it stay dry or stagnant for a long time. The growth cycle of big-leaf spinach is relatively short, and the demand for water is relatively large, so we must give enough water and fertilizer in time. During the period from big-leaf spinach sowing to full seedling, it is necessary to keep the soil moist and ensure that the seedling can be completed. When there are three true leaves in big-leaf spinach, it is necessary to carry out intermediate ploughing and weeding to avoid weeds competing for nutrients. When there are six or seven true leaves, water and fertilizer should be used to promote the growth of spinach, and a certain amount of urea can be applied per mu.

If it is dry fertilization should be carried out after watering, happen to encounter a rainy day, then timely fertilization. If it is in the rainy period for a long time, the excess water should be discharged in time to avoid the phenomenon of stagnant water and rotten roots.

VI. Pest control

Big-leaf spinach is also easy to be attacked by diseases and insect pests, especially when encountered with aphids, it will not only bring certain damage, but also spread certain virus diseases, so aphid control is very critical. In addition, it is also vulnerable to downy mildew and other hazards. Different symptoms of diseases and insect pests are also different, growers usually should observe more, to achieve early detection, early treatment.