Green garlic seedlings soften the fake stems

Green garlic seedlings are fresh and green garlic leaves as a vegetable supply market. This cultivation method can be carried out at any other time except for summer. The green garlic sprouts are delicious and are high-value seasonings and toned v.......

Apple imbalance tree pruning method

In the production of apples, due to improper pruning, there are often imbalances such as upper and lower strength, weaker and weaker, and weaker external strength, resulting in imbalance of distribution of results and decline in yield. The trimming technique of Apple's unbalanced tree .......

How to fertilize low-yield apples

Low-yield orchard fertilization is mainly based on a large amount of farmyard manure, and at the same time, it is combined with fertilizers such as nitrogen, phosphorus and potassium. Focus on four fertilizations:

The germination fertilizer is mainly nitrogenous fertilizer, supplem.......

Newly planted peach seedlings and fertilize

A: After the spring leaves the peach trees to spread the leaves, the nitrogen fertilizer is promoted by the ring. In June, the phosphorus and potassium fertilizers are applied to promote the differentiation of the new shoots. The fertilization dep.......

March rapeseed field management points

One is to clear the ditch and prevent stains. Clean up the “three ditch” in time to ensure smooth drainage and ensure no water accumulation on the surface after the rain.

The second is early application of flower fertilizer. Ge.......

Kiwi winter shear "three accurate"

Be accurate in time

The pruning time of winter kiwifruit should start from 10 to 15 days after the fruit tree leaves, starting from mid-December to the end of the spring. The best time for winter shears is about 20 days before and after the winter solstice. The time should not be t.......

Matters needing attention when LC/MS analysis operation

1. The acidic substance is suitable for negative ion detection, so the mobile phase is more alkaline, which promotes its dissociation. The alkaline substance is suitable for positive ion detection. Appropriate acid is added to the mobile phase to promote the formation of positive ions. Add some.......