Does the three leaves include cotyledons?
Three leaves include cotyledons. It refers to three leaves at the top of the branch that have grown and have the basic shape of the leaf and are relatively complete, as well as a cotyledon still in development.
Corn herbicides must wait until corn has three leaves in one heart before it can be used as a herbicide.
Corn has three leaves with one heart, that is, there are already three unfolded leaves and one undeveloped new leaf on the corn plant. This is the three-leaf stage of corn, commonly known as three leaves and one heart. Farmers should learn to distinguish what is a three-leaf stage. If you mistake two leaves for a three-leaf period, your weeding agent is too early and the corn is too small to bear.
- Prev
Types of herbicides in gray vegetables
Grey vegetables, also known as Chenopodium, alias wild gray vegetables, polygonum grass, etc., are annual herbs of Chenopodiaceae. Mainly born in the field, on the edge of the ground, by the side of the road, in front of the house and behind the house, etc. It is a crop that many farmers hate. So what are the kinds of herbicides in gray vegetables? First, ash
- Next
What is the earliest crop cultivated by the Chinese
Rice and millet are the earliest crops cultivated by the Chinese. According to current archaeological findings, rice and millet were planted in China as early as the early Neolithic period. Millet is now called millet, and after shelling it is called millet. It's made of a wild dogtail grass.
Related
- A course of planting techniques and methods on how to grow carrots
- How to plant the latest tulips?
- Is it better to pick tea in the morning or in the afternoon? When is the best time for tea to be picked? what is the third or fifth tea?
- Launch Yuanxiao Happy combination Haocha + Tea Yuan healthy Taste
- Penghu Tourism "Fireworks 20 Parade with You"
- 2022 West Lake Happiness holds "Digital Revitalization Voucher" and draws iphone13 and laptop.
- Banqiao Fuzhou social houses are designed to change start-up combined with police elimination to create a safe and livable environment
- The convenient measure of "mechanical weeding" in Xinbei has been abused and the Agriculture Bureau has imposed heavy penalties on the illegal land consolidation.
- Changgeng University Joins Hands with Four Memory Factories to Rescue Memory Talent Shortage
- The list of Taiwan's top 100 MVP managers is listed by the Director-General of the Farmers' Association of Sanxia District.