What is the expression of peanut calcium deficiency? How to prevent?
What is the expression of peanut calcium deficiency? How to prevent? (1) Calcium deficiency characteristics: peanut calcium deficiency makes a certain amount of peanut germ black, that is, the so-called "black germ disease", reducing seed germination rate. Serious calcium-deficient land people "bubble pod", namely fruit pod appearance big, pod shell thick, seed plant small. Tianli gave birth to this phenomenon. Calcium deficient plants have chlorosis of leaves, rupture of petioles, failure of teeth and damage of system. (2) Control measures: lime and gypsum are applied in the land with serious calcium deficiency, and the effect is better in the fruiting layer at the initial flowering stage. It is appropriate to apply 15~25 kg per mu.
- Prev
Main Technical points of fertilization for Peanut
How do peanuts perform when they are short of evidence? How to prevent and cure? The main results are as follows: (1) the characteristics of deficiency: when peanut is deficient in aluminum, the plant is short and the leaves are small and thin, showing yellowish green, which is the same as the typical symptoms of nitrogen deficiency. If the above symptoms occur when the nitrogen nutrition is sufficient, the problem of steel deficiency should be taken into account. (2) Prevention and control measures: potassium lead acid.
- Next
Measures of "three Prevention" to promote yield increase in the later stage of Peanut
What is the difference between peanut black spot and brown spot? Peanut black spot and brown spot are the most common leaf diseases of peanut, which are characterized by the formation of spots on the leaf surface, so they are collectively called leaf spot disease. The main differences are: Brown spot occurs earlier, occurs at the early flowering stage, and the disease spot on the leaves is larger, round or irregular in the later stage.
Related
- The first cup of black tea in spring, the flavor and history of tea gardens in Kenya, Africa
- The computer can not only choose potatoes, but also grow tea rice. AI will grow winter oolong tea champion.
- It is not only the inflated tea bitten by insects, but also engraved with the four seasons tea in Beipu.
- The Oriental Beauty Tea Festival in Zhuxian County takes the stage at the weekend to experience the plus-size feast of oil tea.
- & quot; Oriental Beauty Tea & Exploration of Emei in Hsinchu, the hometown of quot;
- The new variety of strawberry "Tainong 1" dessert is the first choice with mellow aroma. Crimson gorgeous
- History of Tea in Taiwan: from Wild Inner Mountain to Export Tea Garden
- Two types of Taiwan Oriental Beauty Black Tea won the British three-Star Award for Childhood Tea Xiang Zhang Jiaqi changed from pilot to champion tea maker.
- Banana species and varieties: the planting history of Taiwan Xianren banana and dwarf banana is long, is banana disease resistant?
- Coffee planting Technology: Qianjie Coffee from Seedling to harvesting