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Wood Industry Knowledge: Cultivation Techniques for Qianjinba
Qianjinba is a perennial medicinal plant whose roots are the primary part used in medicine. It has a well-developed main root that penetrates deeply into the soil, with few or no lateral roots. It thrives in dry conditions but is sensitive to waterlogging and exhibits strong vitality. Therefore, it is best to select deep, sandy loam or loamy soils—soils that are loose and well-drained—with adequate drainage and no compacted layers beneath the topsoil. Plowing is ideally done in autumn; if autumn plowing is not feasible, spring plowing can be substituted, provided that soil moisture levels are properly maintained. Before planting, clods should be broken up and the ground leveled; otherwise, this could hinder the development of robust seedlings. Beds should be about 1.2 meters wide and approximately 30 centimeters high, with bed lengths determined by the terrain. Qianjinba Cultivation Techniques: I. Site Selection and Land Preparation Qianjinba prefers warm, sunny conditions.
Qianjinba is a perennial medicinal plant whose roots are the primary part used in traditional medicine. It has a well-developed main root that penetrates deeply into the soil, with few or no lateral roots. It thrives in dry conditions but is sensitive to waterlogging and exhibits strong vitality. Therefore, it is best to select deep, sandy loam or loamy soils—soils that are loose and well-drained—with adequate drainage and no compacted layers beneath the topsoil. Plowing is ideally done in autumn; if autumn plowing is not feasible, spring plowing can be substituted, provided that soil moisture levels are properly maintained. The soil must be thoroughly broken up to eliminate clods and leveled carefully; otherwise, this could adversely affect the emergence and robust growth of seedlings. Bed widths should be about 1.2 meters, with bed heights around 30 centimeters, and bed lengths determined by the terrain.
Ginger Lily Cultivation Techniques
I. Site Selection and Land Preparation
Qianjinba thrives in warm, sunny climates and is drought-tolerant but intolerant of waterlogging. Choose hillside plots or open fields with deep, fertile soil that are well-exposed to sunlight and have excellent drainage. Deeply till the soil to a depth of more than 33 centimeters, then rake it finely and create beds 1.3 meters wide. Apply sufficient base fertilizer (50 kilograms of compound fertilizer per mu, thoroughly mixed into the soil; or 3,000 kilograms of well-rotted farmyard manure per mu). Seven days before sowing, spray either "Caoba (liquid)" or "Dingcaomian"—pre-emergence herbicides—to eliminate weeds.
II. Soaking Seeds and Sowing
The best time for sowing is from March (the vernal equinox) to April (Qingming Festival) each year; autumn sowing in August is also acceptable. Place the seeds in a cloth bag and soak them in warm water at 35℃ for 1–2 days, changing the water twice daily. At the same time, gently loosen the seeds inside the bag to ensure they receive sufficient oxygen. You can proceed with sowing once 70–80% of the seeds have absorbed enough water and begun to swell.
Sowing Method 1: Sow seeds in rows on the bed at a spacing of 15 cm between rows and 12 cm between plants. Plant 2–3 seeds per hole.
Sowing Method 2: On the bed surface, make shallow grooves at a row spacing of 20 centimeters, with each groove 23 centimeters wide and 3 centimeters deep. Mix 2 kilograms of seeds per mu with an appropriate amount of fine sand, then evenly broadcast the mixture into the shallow grooves. Next, lightly cover the seeds with a 1-centimeter-thick layer of yellow clay powder. Keep the soil moist by watering regularly. Typically, seedlings will emerge within about 15 days. When the emerging seedlings have developed two true leaves, their root systems will have already penetrated more than 3 centimeters below the soil surface. From then on, closely monitor the seedlings’ condition and carry out thinning and replanting as needed. For replanting, be sure to water thoroughly to help the seedlings establish their roots, maintaining a minimum plant-to-plant and row-to-row spacing of 15×12 centimeters. In cases of severe seedling shortages, it is essential to re-sow additional seeds. In the early stages, you can intercrop beans or loofah vines along both sides of the beds—crops that are well-suited for use as living fences—thus helping to enhance the economic efficiency of your cultivated land.
Sowing Method 3: Scatter seeds evenly across the bed surface.
III. Field Management
1. During the seedling stage, the ground between rows remains largely exposed, allowing weeds to grow rapidly. Weeds should be removed promptly until the rows become fully closed. In periods of drought, water the plants in a timely manner to keep the planting area moist; during heavy rains, ensure proper drainage.
2. When the seedlings have grown to about 20 centimeters tall, apply a single application of well-rotted human and animal manure liquid to promote robust plant growth. Thereafter, apply a compound fertilizer (N15+P15+K15) every 25–30 days. The first application should be 5 kilograms, the second 15 kilograms, and the third 25 kilograms. During the second fertilization, simultaneously remove the apical bud at the top of the main stem to direct more nutrients toward strengthening the root system. Remove any weeds promptly each time they appear.
3. When the plants reach a height of up to 50 centimeters, apply a single spray of the plant growth regulator “Chlormequat” once to inhibit excessive stem and branch growth. Throughout the entire growth period, manually prune any excessively growing shoots to concentrate nutrients more effectively at the roots.
IV. Pest and Disease Control
1. Root rot is prone to occur from June to August in fertile, moist soils and areas with standing water. Initially, the roots begin to rot; subsequently, the stems and branches wilt and die, leading to the death of the entire plant. Control measures: (1) During the rainy season, ensure drainage ditches are kept clear to prevent waterlogging; (2) Apply ample wood ash; promptly remove and burn any diseased plants upon discovery, and sprinkle lime around the affected areas to prevent further spread; (3) Spray Bordeaux mixture every 7 days for a total of three consecutive applications.
2. After anthracnose develops, lesions appear on the leaves; in severe cases, the affected leaves and parts of the stems and branches will wilt. Control measures: At the early stage of the disease, spray with a 65% zinc dithiocarbamate solution or a Bordeaux mixture at a ratio of 1:1:200 on a sunny day.
3. Aphids damage tender shoots and leaves. Control method: Spray Le Guo.
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2025-12-10
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