The application of basal fertilizer provides a good basis for improving soil fertility and the requirements for nutrients during the entire growth and development period of the cotton plant. However, in order to obtain high cotton yield, it is necessary to top-dress fertilizer in appropriate a…

During the training period (5 to 10 days of piglets), soy beans, sorghum, corn and other ingredients can be sprinkled near the sow bed, and the sow leads the piglet to eat, commonly known as "old and small."

Adaptation Period (11 to 40 days of piglet age) At this time, the p…

I. Concentration: Appropriate concentration of trace fertilizer can receive good results, and high concentration is not only unhelpful but harmful. Normally, the concentration is 0.05-0.25% of boric acid or borax, 0.02-0.05% of ammonium molybdate, and 0.01-0.02% of copper sulfate. If high …

1. Nitrogen deficiency symptoms

The leaves are small, light green to yellow-green, and the edges of the middle and lower leaflets fade to pale yellow, curling upwards, and falling off earlier. The plants are short, the stems are slender, the branches are few and they grow upright. …

Under normal circumstances, about 15 days after wheat is sown, the wheat seedlings are basically grown. It is very critical how to protect the wheat seedlings in the future. I recommend several methods for controlling wheat seedling pests and diseases.

Wheat rust disease 15 to 20 d…

Soybean root rot mainly occurs at the seedling stage. The main root of the diseased seedling and the base of the stem on the ground form a red-brown, slightly sunken lesion, and the cortex is cracked and ulcerated. When the seedlings are severely damaged, the base of the stem becomes brown…

Fertilization of irrigated wheat

First, formula base fertilizer. For the irrigated condition, the high yield and stable production of wheat can be achieved. The amount of basal fertilizer is generally about 3,000 kg of organic fertilizer per acre; pure nitrogen (N) is 5-7 kg, phosp…

The main origin of calcium magnesium phosphate fertilizer in China. Due to its wide source of raw materials and simple production process, phosphate minerals have developed rapidly in the south of China in recent years. The appearance of this kind of fertilizer is gray, black green or brow…

The conversion of straw into biological feed has many advantages. 1 The production time is short. It takes 1 to 3 days in spring, summer and autumn and 3 to 7 days in winter. 2 It is not subject to seasonal restrictions and can be used throughout the year. 3 complete nutrition, good palatabili…

In winter, fruit trees enter a dormant period and various pests and diseases enter the overwintering stage. Although the winter and dormant pests have enhanced their ability to tolerate adverse environments, due to the limited number of inactive and overwintering sites, the winter season h…

In winter, fruit trees enter a dormant period and various pests and diseases enter the overwintering stage. Although the winter and dormant pests have enhanced their ability to tolerate adverse environments, due to the limited number of inactive and overwintering sites, the winter season h…

Base fertilizer is the most basic part of fertilization, and it is very important for the growth and development of vegetable crops. The application of base fertilizer is generally considered from four aspects: the type, quantity, fertilizer type and application method of base fertilizer. …