From late August to early October, it is the root-expansion period of sweet potato in spring and summer. This period is the key period for the formation of yield, and it is the most demanding period of fertilizer. The following topdressing method can be used for topdressing.

First,…

First, the leaf control

Leaf protection: Minimize the damage of artificially damaged leaves. After harvesting, the fruits should be minimized or even not used. Avoid burning the burnt leaves caused by high temperature pouring, or apply diammonium on the ground in high temperature …

1, variety selection

It is advisable to use varieties with strong disease resistance, good quality and high yield, such as spring and autumn 54, spring and summer king, Longchang white, Lubai 7 and other cabbage varieties.

2, soil preparation and fertilization

Cabba…

In the process of cultivation and cultivation of litchi, the main purpose of ring cutting or ring stripping is to inhibit the growth of roots and winter shoots by inhibiting the transport of hormones and nutrients, and to enhance the competitiveness of fruit development and flower bud diff…

Cotton enters the flowering period from early July, and the time to boll during the end of August and early September is the flowering and boll period. The flowering and boll period is the most vigorous period of cotton growth and development, and also a key period for determining yield. I…

Want to achieve the quality of sand onions and high yield, it is best to build a greenhouse, is also the more popular planting methods on the market, although the pre-cost is relatively high, about 4,000 to 5,000 yuan per mu per year, so the harvest is still very Not bad.

1. Constr…

The rapid industrialization of China in the past decades has caused the continuous deterioration of water resources. In some areas, heavy metal pollution, organic pollution (even antibiotic pollution) is serio…

To select organic fertilizers for industrial production, one must ask “one question, two opinions, and three investigations”.

1. Ask the source of raw materials. Raw materials are the prerequisite for determining the quality of organic fertilizers. It is not advisable t…

Gold gourd is also called gourd, noodle melon, sea squash, and so on. It is native to the Americas and belongs to the family Cucurbitaceae. It is rarely seen in many markets. It is a rare species in melons and is classified as a special vegetable.

The golden loofah can be eaten all…

18 to 25 ° C is the most suitable temperature for tomato growth. If the normal temperature drops to only 13 ° C, the growth will be slow, but it will continue to grow, but below 13 ° C, the vegetative growth is very slow, and the overnutrition makes Flower buds are over-differenti…

The strain culture room should be regularly inspected and fumigated. When producing strains, cotton balls should be used to tighten the test tubes and a layer of kraft paper should be used to prevent insects from invading. If pests have been found, they must be treated by fumigation or low…