Soybean cultivation: what will happen to soybean lack of boron and molybdenum?
What will happen to soybean lack of boron and molybdenum? Please introduce soybean boron deficiency: it will make the leaves green and thicker, shorten the internodes, dwarf and form clusters of leaves. The flower buds turn white or light brown and the tissue is necrotic. In severe cases, burning necrotic spots are formed along the veins of the leaves. Soybean molybdenum deficiency: the interveinal leaves of leaves become pale and yellow, similar to the symptoms of nitrogen deficiency, except that the leaves are prone to grayish brown spots and wilt due to tissue water loss. In general, the symptoms of the old leaves appear first, but the symptoms of the new leaves are not obvious. Click to get more soybean planting technology click to get more grain and oil crop planting technology
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Soybean cultivation: what is soybean heart-eating insect? How to prevent and cure
What is a soybean heart borer? How to prevent and cure it? Please introduce the soybean heart borer, also known as the small red worm, which belongs to the family Lepidoptera, commonly known as soybean pod moth. Soybean heart borer larvae are divided into 4 instar, yellowish at first birth, milky white after peeling into pods, 8 mm in length at the end of larvae, and red after maturity.
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Sunflower planting: how about sunflower deficiency?
How about sunflower deficiency? Please introduce in detail the following symptoms of sunflower deficiency: slow growth at nitrogen deficiency seedling stage, slender and thin plants, small and thin leaves, yellowish green or light green, nitrogen deficiency in the middle of growth, early yellowing of lower leaves, small disk, and poor growth of vegetative organs.
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