The study of cell death mechanism has been a research hotspot in the field of life scie.......

I. Soil and fertilizer management

1. Soil management

(1) Tree management

In order to promote the growth and development of walnut saplings, after planting, the tree trays are loosened, weeded or covered every year. 1 Tree t.......

A: The early maturity varieties are divided into 1 or 2 times. The first time is from late April to early May (the trees that have been flowered may not be firstly thinned). It mainly removes small fruit, malformed fruit, double fruit and over-den.......

I. Soil and fertilizer management

1. Soil management

(1) Tree management

In order to promote the growth and development of walnut saplings, after planting, the tree trays are loosened, weeded or covered every year. 1 Tree t.......

1 site selection

Choose land with convenient transportation, no pollution source, flat terrain, energy irrigation, shelter from the wind, strong soil, fertile, and a soil value of 4.5 to 7.5 (preferably 5.5 to 6.5) or sandy loam. Generally.......

Organic fertilizers and fertilizers are commonly used fertilizers in planting. In order to effectively ensure crop growth, many growers use various methods. For example, fertilizers can effectively ensure nutritional supplements. Can bio-organic fertilizers be mixed wi.......

In fact, many flower friends asked before: Will the winter of the month be frozen? Do you want to move to the house, especially the flower friends in the north, because of the cold weather, you are more worried about the wintering of the rose. .......

Because of the annual cultivation of vegetables and the use of more chemical fertilizers, the soil of the vegetable fields is aging, the knots, the pests and diseases are serious, and the economic benefits are degraded. Therefore, it is very important to improve the soil of the vegetable f.......

Evagreen dye method digital PCR

EvaGreen® is a dye with a green excitation wavelength that binds to all dsDN.......

In spring, lotus roots should be applied with more organic fertilizers, so that the lotus roots can be rooted earlier and more in the late stage of production. The elongation is fast, the swelling is rapid, the internodes are thick and full, the s.......

The reporter learned from Nankai University on the 28th that the State Key Laboratory of Medicinal Chemistry Biology led the research team to successfully "decipher" the two target genes of tetrodotoxin using monkey haploi.......

1. Application of organic fertilizer to improve quality: The supply of early nutrients in carrots is mainly based on base fertilizer. The base fertilizer should be mainly pig, chicken, cattle, horse manure and human urine, 2000-250.......