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Detailed Explanation of a Reference Fertilization Model for High-Yield Rice
The soil-testing formula fertilization model for a rice yield of 450-550 kg per mu is as follows: (1) Total fertilizer amount and ratio The nitrogen, phosphorus and potassium ratio should be about 1:0.5:0.9, and the total amounts should be approximately: nitrogen 10-13 kg, phosphorus pentoxide 5-7 kg, potassium oxide 8-12 kg. (2) Fertilization plan 1. Basal fertilizer: (1) Organic fertilizer: generally for early rice, apply 1000-2000 kg of fresh green manure per mu, or 500-1000 kg of barnyard manure, or commercial organic
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Several foreign methods of dry rice cultivation can be used for reference.
Hole planting method for dry rice cultivation. This new method was invented by the Tice Farm in New Orleans, USA. Specific operation: on moist no-till land, use a small hole-punching seeder (machine) to punch a hole about 3cm in diameter and 13-15cm deep in the soil. While punching the hole, immediately sow 1-2 rice seeds, then cover the hole with soil and fertilizer, and fill the hole with water while keeping the soil around the hole only moist. Under normal circumstances, no water needs to be given within 40 days after sowing, so that the rice roots grow deep and have a strong root system, which can effectively
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Introduction to 2 sweet potato varieties, for growers' reference
1. Zheshu 13 Registration number: Zherenshu 2005002 Breeding unit: Institute of Crop and Nuclear Technology Utilization, Zhejiang Academy of Agricultural Sciences Variety source: Zhe 3481 x Zhe 255 Yield performance: According to multi-year, multi-site trials, the average fresh tuber yield per mu is about 2500 kg, more than 10% higher than the control Xushu 18. Characteristics: It is a mid-to-late maturing variety, with a whole growth period of about 135 days under open-field cultivation, and tends to bud and flower in autumn. Long vines, strong growth vigor, relatively large leaves,
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Recommended Guangdong pepper varieties: two excellent varieties for growers' reference
Yuejiao No. 1 has a thick horn-shaped fruit with a broad top, green in color, fruit length 15 cm, transverse diameter 3.6 cm, average single fruit weight 46 g, mildly spicy, early maturing, about 90 days from sowing to first harvest, suitable sowing periods in the Guangzhou area are 11-1 for spring planting, 7-8 for autumn planting, and 9-11 for winter planting, with a yield of about 4500 kg per 667 sq m (1 mu). It is relatively resistant to bacterial wilt and anthracnose. Yuejiao No. 10 has a thick goat-horn-shaped fruit. It has strong growth vigor, fruit length 20 cm, transverse diameter 2.8-3.0 cm, a small fruit cavity, thick flesh, single fruit weight 60
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