Corn planting time

Corn is divided into spring corn and autumn corn according to the planting time. Spring corn is planted in early May in late May and harvested in late August. Autumn corn can not be planted later than mid-July, and harvested in mid-to-late October. In the whole l.......

First, timely and appropriate amount of watering irrigation. To properly arrange the irrigation time, water should be poured in the morning, evening or night to avoid watering in the afternoon high temperature and improve the utilization efficiency of soil water in the field. When watering, yo.......

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Choose anti-reverse disease resistance, high temperature and high humidity varieties: such as disease-resistant Su honey, black diamond, Jinzhong Guanlong and so on.

Select the ground, finely, and apply enough base fertilizer: to select the soil with good ventilating water permeabi.......

Apple is the fruit tree variety with the largest cultivated area and yield in northern China. Deterioration of soil quality, excessive application of chemical fertilizers and pesticides, and depression of population structure are the key factors tha.......