Cultivation of sweet orange pomelo
The first is to cultivate improved varieties and strong seedlings.
Varieties with large fruit, much juice, few seeds or no seeds, slag removal, solid content above 1 1%, less fruit dropping or cracking before harvest, high yield and good stability should be selected. Such as Beibei 447, Yujin Orange and Pear Orange in Jincheng Orange; Carter, olinda, Algerian and Minerva oranges in summer oranges; Bai Liu, Ting Anne, Newhall, red meat navel orange, abundant navel, etc. In navel orange; Tarocco and other new strains.
Using Fructus Aurantii as rootstock to cultivate virus-free improved varieties and strong seedlings is the basis of high yield and high quality cultivation. Seedling raising requires well-developed roots and well-healed interfaces. The height of seedlings is more than 40cm and there are more than 3 branches. Emphasis should be placed on the following, and the management of planting large seedlings with soil should be strengthened. In the following, places with loam with sunrise, convenient water sources, close to plantations, deep soil layers and high organic matter content should be selected. There are 1000 plants per mu, and the plant spacing is 60× 100cm.
Second, change the civil gardens and plant them.
(A) change the civil gardens and soil conservation
1, the whole park will be deeply overturned by blasting, and terraces with equal height will be built, roads will enter the park, and water conservancy facilities will be provided.
2. In the first half year of planting, maintain the soil in the planting ditch. The planting ditch is generally a little outside the center line of the terrace. When building terraces, topsoil should be filled into planting ditches. The planting ditch has a width of1.8m and a depth of 0.8m. It is filled with topsoil and layered with organic matter, such as municipal garbage, grass and corn stalks, with a dosage of 5000- 1 10,000kg per mu.