Gannongshu No. 2
Characteristics: the growth period is 130-150 days, the dormancy period of potato is long, and it is a late-maturing variety. The plant type is compact and erect, and the plant height is 60cm to 70cm. Stems, flowers purple. The plant grows vigorously, the stolon in the underground part is shorter, the tuber is more concentrated, there are 4-5 tubers per plant, and the size is uniform. Potato cubes are dark purple in epidermis, deep purple in bud tips, dark yellow in potato meat, and shallow to medium-deep bud eyes. High resistance to leaf curl, strong resistance to mosaic disease and late blight, no ring rot, storage resistance and strong drought resistance. The production test generally produces 1500kg to 2000kg per mu, which is about 20% higher than that of the control.
Suitable range: suitable for potato producing areas in our city, both water and dry land can be planted.
Main points of cultivation: planting density, 3500 plants per mu in early land and 4500 plants per mu in water land. Fertilizing N
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Management techniques for late wheat in early spring
Due to heavy rainfall during wheat sowing period around "November" last year, wheat farmers were sown only after cold dew solar term, forming late wheat; in addition, the rainfall at that time also delayed the growth of wheat sown at normal time, also forming late wheat. As a result, more than half of the 1.1 million mu of wheat sown last year in this city are late wheat. The growth characteristics of late wheat are different from those of common wheat, so the early spring management techniques are also different. Late wheat generally refers to wheat sown after the Cold Dew Festival. Its growth characteristics are different from those of wheat sown in suitable time, mainly as follows: overwintering seedlings
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In recent years, the Department of Agronomy of South China Agricultural University has bred several kinds of special rice, mainly fragrant rice, fragrant black rice, Hongzhan rice and so on. The main points of its species and cultivation are as follows: 1. Wanxian Xiangzhan 1: Wanxianxiangzhan is a variety bred with Wanlixiang and Jingxian 89, which is a high quality fragrant rice with middle maturity in early season. Planted in Guangzhou in the early season, the whole growth period is about 125 days, the plant height is 90 cm, the plant type is moderate in distribution, the tillering ability is moderate, there are 200 grains per panicle, with a certain fragrance, good food taste, and late ripening.
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